Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Tofisopam
Price: ￥1148.0/10mg ￥4568.0/50mg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Tofisopam
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

22345-47-7

22345-47-7 structure

Name: Tofisopam
Chemical Name: 1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methyl-5H-2,3-benzodiazepine
CAS Number: 22345-47-7
Molecular Formula: C₁₈H₃₉N₅O₁₃S
Molecular Weight: 565.593
Create Date: 2018-06-20 13:57:28
Modify Date: 2025-08-21 23:18:15
Tofisopam, a 2,3-benzodiazepine compound, is an orally active anxiolytic agent[1].

Name	1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methyl-5H-2,3-benzodiazepine
Synonyms	MFCD00823171 1-(3,4-Dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methyl-5H-2,3-benzodiazepine 1-(3,4-dimethoxy-phenyl)-4-methyl-5-ethyl-7,8-dimethoxy-5H-2,3-benzodiazepine (2S,3R,4S,5S,6R)-4-amino-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2R,3R,5S,6R)-3-amino-6-(aminométhyl)-5-hydroxytétrahydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-6-(hydroxyméthyl)tétrahydro-2H-pyran (2S,3R,4S,5S,6R)-4-amino-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2R,3R,5S,6R)-3-amino-6-(aminomethyl)-5-hydroxytetrahydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-6-(hydroxymethyl)tetrahydro-2H-pyran-3,5-diol sulfate (salt) Tobra Gobens Tomycin 5H-2,3-Benzodiazepine, 1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methyl- 5-aethyl-1-(3,4-dimethoxyphenyl)-7,8-dimethoxy-4-methyl-5H-benzodiazepin (1S,2S,3R,4S,6R)-4,6-Diamino-3-[(2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl)oxy]-2-hydroxycyclohexyl 3-amino-3-deoxy-α-D-glucopyranoside sulfate (salt) Dicon Egyt 341 EINECS 244-922-3 (1S,2S,3R,4S,6R)-4,6-Diamino-3-[(2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl)oxy]-2-hydroxycyclohexyl 3-amino-3-deoxy-α-D-glucopyranoside sulfate (1:1) Dartobcin Tofisopamum [INN-Latin] Tobracin Tofisopam [INN:DCF:JAN] Emandaxin Nebcine UNII:UZC80HAU42 Obracin Tobraneg 7,8-dimethoxy-1-(3,4-dimethoxyphenyl)-5-ethyl-4-methyl-5H-2,3-benzodiazepine -3,5-diol sulfate (salt) -3,5-diolsulfat(salt) (2S,3R,4S,5S,6R)-4-amino-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2R,3R,5S,6R)-3-amino-6-(aminométhyl)-5-hydroxytétrahydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-6-(hydroxyméthyl)tétrahydro-2H-pyran-3,5-diol sulfate (salt) Tobrasix Grandaxin 1-[3,4-bis(methyloxy)phenyl]-5-ethyl-4-methyl-7,8-bis(methyloxy)-5H-2,3-benzodiazepine Tofisopam 1-(3,4-dimethoxyphenyl)-7,8-dimethoxy-5-ethyl-4-methyl-5H-2,3-benzodiazepine α-D-Glucopyranoside, (1S,2S,3R,4S,6R)-4,6-diamino-3-[(2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl)oxy]-2-hydroxycyclohexyl 3-amino-3-deoxy-, sulfate (1:1) (salt) 7,8-Dimethoxy-1-(3,4-dimethoxyphenyl)-5-ethyl-4-methyl-5H-2,3-benzodiazepine,EGYT 341,Seriel Trazil tofizopam Tobryne (2S,3R,4S,5S,6R)-4-Amino-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2R,3R,5S,6R)-3-amino-6-(aminomethyl)-5-hydroxytetrahydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-6-(hydroxymethyl)tetrahydro-2H-pyran Seriel (2S,3R,4S,5S,6R)-4-Amino-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2R,3R,5S,6R)-3-amino-6-(aminomethyl)-5-hydroxytetrahydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-6-(hydroxymethyl)tetrahydro-2H-pyran-3,5-diolsulfat(salt)

Description	Tofisopam, a 2,3-benzodiazepine compound, is an orally active anxiolytic agent[1].
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Neurological Disease
In Vitro	Tofisopam administration at a dose of 50 mg/kg for seven days improves the impaired cognitive performance, enhances the attenuated synaptic transmission in the hippocampus, increases proliferation in subgranular zones, and improves the decrease in astrocytes in amnesic rats[1].
References	[1]. Umut İrfan Üçel, et al. Antiamnesic effects of tofisopam against scopolamine-induced cognitive impairments in rats. Pharmacol Biochem Behav. 2020 Mar;190:172858.

Density	1.2±0.1 g/cm3
Boiling Point	479.0±45.0 °C at 760 mmHg
Melting Point	155-159ºC
Molecular Formula	C₁₈H₃₉N₅O₁₃S
Molecular Weight	565.593
Flash Point	195.2±21.2 °C
Exact Mass	565.226501
PSA	61.64000
LogP	2.39
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.558

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DE9540000

CHEMICAL NAME :: 5H-2,3-Benzodiazepine, 1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methy l-

CAS REGISTRY NUMBER :: 22345-47-7

LAST UPDATED :: 199506

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: C22-H26-N2-O4

MOLECULAR WEIGHT :: 382.50

WISWESSER LINE NOTATION :: T67 HNN KHJ CO1 DO1 GR CO1 DO1& J1 K2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 825 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1270 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >10 gm/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 103 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3800 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1950 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >10 gm/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 415 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9 gm/kg/30D-I

TOXIC EFFECTS :: Liver - changes in liver weight Endocrine - changes in thymus weight Blood - changes in leukocyte (WBC) count

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 36400 mg/kg/26W-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - changes in lung weight Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 110 mg/kg

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

TOXIC EFFECTS :: Reproductive - Effects on Newborn - sex ratio

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,565,1981

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 - behavioral

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,565,1981

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 12 gm/kg

SEX/DURATION :: male 30 day(s) pre-mating

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

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 12,547,1981

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H400
Precautionary Statements	P273
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;N: Dangerous for the environment;
Risk Phrases	R22;R50
Safety Phrases	60-61
RIDADR	UN 3077
WGK Germany	2
RTECS	DE9540000
Packaging Group	III
Hazard Class	6.1(b)

15462-91-6

~60%

22345-47-7

Literature: Gatta; Piazza; Del Giudice; Massotti Farmaco, Edizione Scientifica, 1985 , vol. 40, # 12 p. 942 - 955

82059-51-6

~95%

22345-47-7

Literature: Vela Pharmaceuticals, Inc. Patent: US2006/264421 A1, 2006 ; Location in patent: Page/Page column 3 ;

55300-10-2

22345-47-7

Literature: US2006/264421 A1, ; Page/Page column 2 ;

2029-86-9

22345-47-7

Literature: Farmaco, Edizione Scientifica, , vol. 40, # 12 p. 942 - 955

120-14-9

22345-47-7

Literature: Farmaco, Edizione Scientifica, , vol. 40, # 12 p. 942 - 955

102728-10-9

22345-47-7

Literature: Farmaco, Edizione Scientifica, , vol. 40, # 12 p. 942 - 955

776-99-8

22345-47-7

Literature: Heterocycles, , vol. 88, # 1 p. 287 - 295

546104-93-2

22345-47-7

Literature: Heterocycles, , vol. 88, # 1 p. 287 - 295

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22345-47-7	49842-07-1
82059-50-5	82059-51-6
1261539-48-3	1804602-70-7
1804487-06-6	1806889-24-6
1805961-02-7	1261583-83-8
1805206-72-7	1803707-35-8
1805416-72-1	1806136-93-5