Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (Des-Gly10,D-Leu6,Pro-NHEt9)-LHRH acetate salt
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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GL Biochem (Shanghai) Ltd.
China
Product Name: [Des-Gly10,Dleu6, ProNHEt9] LH-RH
Price: $Inquiry/1g
Purity: 98.0%
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Contact: Jackie Yang
Email: ymbetter@glbiochem.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: (Des-Gly10,D-Leu6,Pro-NHEt9)-LHRH acetate salt
Price: ￥2726.0/100mg ￥1756.0/50mg ￥676.0/5mg ￥876.0/10mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

DC Chemicals Limited
China
Product Name: Leuprolide Acetate
Price: $550.0/100mg $1000.0/250mg $2200.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

74381-53-6

74381-53-6 structure

74381-53-6 structure

Name: (Des-Gly10,D-Leu6,Pro-NHEt9)-LHRH acetate salt
Chemical Name: leuprolide acetate
CAS Number: 74381-53-6
Molecular Formula: C₆₁H₈₈N₁₆O₁₄
Molecular Weight: 1269.450
Catalog: API Hormone and endocrine-regulating drugs Gonadotropin
Create Date: 2018-05-28 08:00:00
Modify Date: 2025-08-21 14:21:42
Leuprolide acetate is a potent gonadotropin-releasing hormone receptor agonist used for the treatment of prostate cancer, endometriosis, uterine fibroids.

Name	leuprolide acetate
Synonyms	acide acétique - (2S)-1-{(2S,5S,8R,11S,14S,17S,20S)-2-(3-carbamimidamidopropyl)-11-(4-hydroxybenzyl)-14-(hydroxyméthyl)-20-(1H-imidazol-5-ylméthyl)-17-(1H-indol-3-ylméthyl)-5,8-bis(2-méthylpropyl)-4,7,10,13,16,19,22-heptaoxo-22-[(2S)-5-oxopyrrolidin-2-yl]-3,6,9,12,15,18,21-heptaazadocosan-1-oyl}-N-éthylpyrrolidine-2-carboxamide (1:1) L-Prolinamide, 5-oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-, acetate (1:1) (2S)-1-{(2S,5S,8R,11S,14S,17S,20S)-2-(3-Carbamimidamidopropyl)-11-(4-hydroxybenzyl)-14-(hydroxymethyl)-20-(1H-imidazol-5-ylmethyl)-17-(1H-indol-3-ylmethyl)-5,8-bis(2-methylpropyl)-4,7,10,13,16,19,22-heptaoxo-22-[(2S)-5-oxopyrrolidin-2-yl]-3,6,9,12,15,18,21-heptaazadocosan-1-oyl}-N-ethylpyrrolidin-2-carboxamidacetat(salt) Procrin Leuplin Leuprolide acetate TAP-144-SR 5-oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide acetate 5-Oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide acetate (1:1) ELIGARD Depo-Lupron Lucrin Abbott 43818 Uno-Enantone Leuprorelin Acetate 5-oxo-L-Prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide Monoacetate (Salt) Leuprin Procren Depot (2S)-1-{(2S,5S,8R,11S,14S,17S,20S)-2-(3-carbamimidamidopropyl)-11-(4-hydroxybenzyl)-14-(hydroxymethyl)-20-(1H-imidazol-5-ylmethyl)-17-(1H-indol-3-ylmethyl)-5,8-bis(2-methylpropyl)-4,7,10,13,16,19,22-heptaoxo-22-[(2S)-5-oxopyrrolidin-2-yl]-3,6,9,12,15,18,21-heptaazadocosan-1-oyl}-N-ethylpyrrolidine-2-carboxamide acetate (salt) [Des-Gly10,Dleu6, ProNHEt9] LH-RH

Description	Leuprolide acetate is a potent gonadotropin-releasing hormone receptor agonist used for the treatment of prostate cancer, endometriosis, uterine fibroids.
Related Catalog	Signaling Pathways >> GPCR/G Protein >> GNRH Receptor Peptides Research Areas >> Endocrinology
References	[1]. Mizutani T, Sugihara A, Nakamuro K, Suppression of cell proliferation and induction of apoptosis in uterine leiomyoma by gonadotropin-releasing hormone agonist (leuprolide acetate). J Clin Endocrinol Metab. 1998 Apr;83(4):1253-5. [2]. Silva AL, Abreu LG, Rosa-e-Silva AC, Leuprolide acetate reduces both in vivo and in vitro ovarian steroidogenesis in infertile women undergoing assisted reproduction. Steroids. 2008 Dec 22;73(14):1475-84. [3]. Guzmán-Soto I, Salinas E, Hernández-Jasso I, Leuprolide acetate, a GnRH agonist, improves experimental autoimmune encephalomyelitis: a possible therapy for multiple sclerosis. Neurochem Res. 2012 Oct;37(10):2190-7. [4]. Gaikwad U, Parle M, Kumar A, Effect of ritanserin and leuprolide alone and combined on marble-burying behavior of mice. Acta Pol Pharm. 2010 Sep-Oct;67(5):523-7.

Boiling Point	1720.5ºC at 760 mmHg
Melting Point	150-155ºC
Molecular Formula	C₆₁H₈₈N₁₆O₁₄
Molecular Weight	1269.450
Flash Point	994.3ºC
Exact Mass	1268.666626
PSA	466.34000
LogP	3.44730
Storage condition	−20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OH6390000

CHEMICAL NAME :: Leutenizing hormone-releasing factor (pig), 6-D-leucine-9-(N-ethyl-L-prolinamide)- 10-deglycinamide-, monoacetate (salt)

CAS REGISTRY NUMBER :: 74381-53-6

LAST UPDATED :: 199612

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C59-H84-N16-O12.C2-H4-O2

MOLECULAR WEIGHT :: 1269.65

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 :: >5 gm/kg

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

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 29900 ug/kg

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

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: 25,815,1994

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Gastrointestinal - hypermotility, diarrhea

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Blood - changes in spleen

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 137 mg/kg

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

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: 25,815,1994

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S569,1990 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 72 ug/kg

SEX/DURATION :: male 8 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - other effects on male Endocrine - changes in luteinizing hormone

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S589,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 24 ug/kg

SEX/DURATION :: female 1 day(s) after conception

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

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S589,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 24 ug/kg

SEX/DURATION :: female 4 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Effects on Newborn - sex ratio

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S589,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 1800 mg/kg

SEX/DURATION :: male 90 day(s) pre-mating

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

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 19,101,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 24 ug/kg

SEX/DURATION :: female 6 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)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 18(Suppl 3),S633,1990

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Safety Phrases	22-24/25
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	OH6390000
HS Code	2937190090

Precursor 1
82155-05-3
DownStream 0

HS Code	2937190090

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