Ritodrine hydrochloride

Modify Date: 2025-08-23 00:58:47

Ritodrine hydrochloride structure	Common Name	Ritodrine hydrochloride
	CAS Number	23239-51-2	Molecular Weight	323.815
	Density	1.213 g/cm3	Boiling Point	512.3ºC at 760 mmHg
	Molecular Formula	C₁₇H₂₂ClNO₃	Melting Point	192-196ºC
	MSDS	Chinese USA	Flash Point	175.6ºC
	Symbol	GHS07	Signal Word	Warning

Use of Ritodrine hydrochloride

Ritodrine hydrochloride (DU21220 hydrochloride) is a β-2 adrenergic receptor agonist.Target: β-2 Adrenergic ReceptorRitodrine is a tocolytic drug, used to stop premature labor. Ritodrine can significantly prolong a short interval more quickly but with relatively more side effects than magnesium sulphate. Stratified RCTs for different gestational ages and different labour stages should be designed for further study [1]. Ritodrine is a beta-2 adrenergic receptor agonist - a class of medication used for smooth muscle relaxation. Since ritodrine has a bulky N-substituent, it has high β2-selectivity. Also, the 4'-hydroxy on the benzene ring is important for activity as it is needed to form hydrogen bonds. However, the 4'-hydroxy makes it susceptible to metabolism by COMT. Since it is β2-selective it is used for premature labor [2].

Name	Ritodrine hydrochloride
Synonym	More Synonyms

Description	Ritodrine hydrochloride (DU21220 hydrochloride) is a β-2 adrenergic receptor agonist.Target: β-2 Adrenergic ReceptorRitodrine is a tocolytic drug, used to stop premature labor. Ritodrine can significantly prolong a short interval more quickly but with relatively more side effects than magnesium sulphate. Stratified RCTs for different gestational ages and different labour stages should be designed for further study [1]. Ritodrine is a beta-2 adrenergic receptor agonist - a class of medication used for smooth muscle relaxation. Since ritodrine has a bulky N-substituent, it has high β2-selectivity. Also, the 4'-hydroxy on the benzene ring is important for activity as it is needed to form hydrogen bonds. However, the 4'-hydroxy makes it susceptible to metabolism by COMT. Since it is β2-selective it is used for premature labor [2].
Related Catalog	Research Areas >> Endocrinology Signaling Pathways >> GPCR/G Protein >> Adrenergic Receptor
References	[1]. Li, X., Y. Zhang, and Z. Shi, Ritodrine in the treatment of preterm labour: a meta-analysis. Indian J Med Res, 2005. 121(2): p. 120-7. [2]. Medicinal Chemistry of Adrenergics and Cholinergics

Description

Related Catalog

Research Areas >> Endocrinology

Signaling Pathways >> GPCR/G Protein >> Adrenergic Receptor

References

[1]. Li, X., Y. Zhang, and Z. Shi, Ritodrine in the treatment of preterm labour: a meta-analysis. Indian J Med Res, 2005. 121(2): p. 120-7.

[2]. Medicinal Chemistry of Adrenergics and Cholinergics

Density	1.213 g/cm3
Boiling Point	512.3ºC at 760 mmHg
Melting Point	192-196ºC
Molecular Formula	C₁₇H₂₂ClNO₃
Molecular Weight	323.815
Flash Point	175.6ºC
Exact Mass	323.128815
PSA	72.72000
LogP	3.54490
Vapour Pressure	2.55E-11mmHg at 25°C
Storage condition	-20°C Freezer

Ritodrine hydrochloride MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DO6524000

CHEMICAL NAME :: Benzyl alcohol, p-hydroxy-alpha-(1-((p-hydroxyphenethyl)amino)ethyl)- , hydrochloride, erythro-

CAS REGISTRY NUMBER :: 23239-51-2

LAST UPDATED :: 199601

DATA ITEMS CITED :: 38

MOLECULAR FORMULA :: C17-H21-N-O3.Cl-H

MOLECULAR WEIGHT :: 323.85

WISWESSER LINE NOTATION :: QR DYQY1&M2R DQ &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 14508 ug/kg/15H-C

TOXIC EFFECTS :: Nutritional and Gross Metabolic - metabolic acidosis

REFERENCE :: BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 2,1194,1978

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1840 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold Gastrointestinal - other changes

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 330 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Liver - other changes Blood - changes in spleen

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 980 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Gastrointestinal - changes in structure or function of salivary glands Blood - changes in spleen

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 83 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation Blood - other changes

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 910 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 687 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YIGODN Yiyao Gongye. Pharmaceutical Industry. (c/o Shanghai Yiyao Gongye Yanjiuyuan, 1320 Beijing- xilu, Shanghai 200040, Peop. Rep. China) Beginning history not known. Volume(issue)/page/year: 16,122,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 265 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YIGODN Yiyao Gongye. Pharmaceutical Industry. (c/o Shanghai Yiyao Gongye Yanjiuyuan, 1320 Beijing- xilu, Shanghai 200040, Peop. Rep. China) Beginning history not known. Volume(issue)/page/year: 16,122,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 815 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Blood - changes in spleen Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 69 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YIGODN Yiyao Gongye. Pharmaceutical Industry. (c/o Shanghai Yiyao Gongye Yanjiuyuan, 1320 Beijing- xilu, Shanghai 200040, Peop. Rep. China) Beginning history not known. Volume(issue)/page/year: 16,122,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 433 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 2458 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - convulsions or effect on seizure threshold Cardiac - change in rate

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 128 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,5704,1984 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 17500 mg/kg/5W-I

TOXIC EFFECTS :: Cardiac - other changes Endocrine - changes in thymus weight Nutritional and Gross Metabolic - changes in sodium

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,6203,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 525 mg/kg/5W-I

TOXIC EFFECTS :: Cardiac - other changes Cardiac - changes in heart weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,6176,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 4550 mg/kg/26W-I

TOXIC EFFECTS :: Endocrine - changes in thymus weight Blood - normocytic anemia Nutritional and Gross Metabolic - changes in potassium

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,304,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 5460 mg/kg/26W-C

TOXIC EFFECTS :: Cardiac - other changes Kidney, Ureter, Bladder - other changes Nutritional and Gross Metabolic - changes in potassium

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,249,1985 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 24 mg/kg

SEX/DURATION :: female 31-33 week(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects

REFERENCE :: GOBIDS Gynecologic and Obstetric Investigation. (S. Karger Pub., Inc., 79 Fifth Ave., New York, NY 10003) V.9- 1978- Volume(issue)/page/year: 27,10,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 720 ug/kg

SEX/DURATION :: female 31 week(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects

REFERENCE :: GOBIDS Gynecologic and Obstetric Investigation. (S. Karger Pub., Inc., 79 Fifth Ave., New York, NY 10003) V.9- 1978- Volume(issue)/page/year: 27,10,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 450 ug/kg

SEX/DURATION :: female 39 week(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - Apgar score (human only) Reproductive - Effects on Newborn - biochemical and metabolic

REFERENCE :: GOBIDS Gynecologic and Obstetric Investigation. (S. Karger Pub., Inc., 79 Fifth Ave., New York, NY 10003) V.9- 1978- Volume(issue)/page/year: 23,160,1987

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 4 mg/kg

SEX/DURATION :: female 39 week(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system

REFERENCE :: LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 1,1468,1982

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 8 mg/kg

SEX/DURATION :: female 31-32 week(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects

REFERENCE :: GOBIDS Gynecologic and Obstetric Investigation. (S. Karger Pub., Inc., 79 Fifth Ave., New York, NY 10003) V.9- 1978- Volume(issue)/page/year: 27,10,1989

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

DOSE :: 52 mg/kg

SEX/DURATION :: female 29-35 week(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system Reproductive - Specific Developmental Abnormalities - urogenital system

REFERENCE :: AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920- Volume(issue)/page/year: 149,798,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 4 gm/kg

SEX/DURATION :: female 17-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2491,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1050 mg/kg

SEX/DURATION :: female 10-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - extra-embryonic structures (e.g., placenta, umbilical cord)

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 239,138,1979

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 84 gm/kg

SEX/DURATION :: male 9 week(s) pre-mating female 15 day(s) pre-mating - 7 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,6261,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 270 mg/kg

SEX/DURATION :: female 17-22 day(s) after conception lactating female 21 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Effects on Newborn - sex ratio Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2002,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 3 gm/kg

SEX/DURATION :: female 17-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - stillbirth Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2002,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 240 mg/kg

SEX/DURATION :: female 17-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - stillbirth Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2491,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 27 mg/kg

SEX/DURATION :: female 17-22 day(s) after conception lactating female 21 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2474,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 990 mg/kg

SEX/DURATION :: female 7-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,6243,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 360 mg/kg

SEX/DURATION :: female 17-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - parturition Reproductive - Effects on Newborn - live birth index (measured after birth)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,2474,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 5460 mg/kg

SEX/DURATION :: male 26 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,249,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 750 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,1351,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 19,1351,1985

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 325 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - fetal death

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 18,6254,1984

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 127 ug/kg

SEX/DURATION :: female 18 week(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - blood and lymphatic systems (including spleen and marrow)

REFERENCE :: AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920- Volume(issue)/page/year: 132,42,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6088 No. of Facilities: 34 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1403 (estimated) No. of Female Employees: 699 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22
Safety Phrases	S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	DO6524000

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ShangHai DC Chemicals Co.,Ltd
China
Product Name: Ritodrine hydrochloride
Price: ￥Inquiry/1g
Purity: 98.9%
Delivery: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

DC Chemicals Limited
China
Product Name: Ritodrine hydrochloride
Price:
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: Ritodrine hydrochloride
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 99.0%
Delivery: Inquiry
Contact: Xiyao Wang
Email: 406104890@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Ritodrine hydrochloride
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Price: $79/10mM*1mLinDMSO

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