Methenolone Acetate

Modify Date: 2025-08-22 11:56:29

Methenolone Acetate Structure
Methenolone Acetate structure
Common Name Methenolone Acetate
CAS Number 434-05-9 Molecular Weight 344.488
Density 1.1±0.1 g/cm3 Boiling Point 441.2±45.0 °C at 760 mmHg
Molecular Formula C22H32O3 Melting Point N/A
MSDS N/A Flash Point 189.9±28.8 °C

 Names

Name Methenolone Acetate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 441.2±45.0 °C at 760 mmHg
Molecular Formula C22H32O3
Molecular Weight 344.488
Flash Point 189.9±28.8 °C
Exact Mass 344.235138
PSA 43.37000
LogP 4.93
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.536
Storage condition 2~8℃

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BV8408500
CHEMICAL NAME :
5-alpha-Androst-1-en-3-one, 17-beta-hydroxy-1-methyl-, acetate
CAS REGISTRY NUMBER :
434-05-9
LAST UPDATED :
199309
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C22-H32-O3
MOLECULAR WEIGHT :
344.54
WISWESSER LINE NOTATION :
L E5 B666 OV LUTJ A1 E1 FOV1 K1

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 :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,835,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,835,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,835,1982 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
200 mg/kg
SEX/DURATION :
male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,330,1964
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
60 mg/kg
SEX/DURATION :
female 17-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
AVBIB9 Advances in the Biosciences. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1967- Volume(issue)/page/year: 13,71,1974

 Safety Information

Hazard Codes Xi
HS Code 2942000000

 Synthetic Route

~8%

Methenolone Acetate Structure

Methenolone Acetate

CAS#:434-05-9

Literature: Torrini; Romeo Farmaco, Edizione Scientifica, 1980 , vol. 35, # 8 p. 681 - 683

 Precursor & DownStream

Precursor  1

DownStream  0

 Customs

HS Code 2942000000

 Synonyms

Primobolan
Methenolone acetate
Primonabol
EINECS 207-097-0
Androst-1-en-3-one, 17-(acetyloxy)-1-methyl-, (5α)-
(5α)-1-Methyl-3-oxoandrost-1-en-17-yl acetate
Nibal
MFCD00864181
Methenolone (acetate)
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