Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Pregnane-11,20-dione,3-hydroxy-, (3a,5a)-
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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23930-19-0

23930-19-0 structure

23930-19-0 structure

Name: alfaxalone
Chemical Name: (3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11-one
CAS Number: 23930-19-0
Molecular Formula: C₂₁H₃₂O₃
Molecular Weight: 332.47700
Catalog: API Anesthetic Agents General anesthetics
Create Date: 2018-09-08 18:50:05
Modify Date: 2026-07-03 18:47:15

Name	(3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11-one
Synonyms	5α-PREGNAN-3α-OL-11, 20-DIONE 3alpha-Hydroxy-5alpha-pregnane-11,20-dione Pregnane-11,20-dione, 3-hydroxy-, (3α,5α) ALPHAXALONE (3α,5α)-3-Hydroxypregnane-11,20-dione 20-dione,3-hydroxy-,(3-alpha,5-alpha)-pregnane-1 5A-pregnan-3A-ol-11,20-dione 20-dione,3-alpha-hydroxy-5-alpha-pregnane-1 Pregnane-11,20-dione, 3-hydroxy-, (3.alpha.,5.alpha.) 5alpha-Pregnan-3alpha-ol-11,20-dione Alfaxalone Alphaxalone Pregnane-11,20-dione,3-hydroxy-, (3a,5a) Cyclothiazide 3-hydroxypregnane-11,20-dione GR 2/234 (3-alpha,5-alpha)-3-hydroxypregnane-11,20-dione Alphaxolone Alfadione ALFAXALONE 5ALPHA-PREGNAN-3ALPHA-OL-11,20-DIONE ALFAXALONE //BP 3ALPHA-HYDROXY-5ALPHA-PREGNANE-11,20-DIONE 3-HYDROXY-5ALPHA-PREGNANE-11,20-DIONE MFCD00083468 3α-Hydroxy-5α-pregnane-11,12-dione 3-Hydroxy-5α-pregnane-11,20-dione, Alfaxalone (3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyltetradecahydro-1H-cyclopenta[a]phenanthren-11(2H)-one 5α-Pregnan-3α-ol-11,20-dione

Density	1.112g/cm3
Boiling Point	468.1ºC at 760 mmHg
Melting Point	172-174°
Molecular Formula	C₂₁H₃₂O₃
Molecular Weight	332.47700
Flash Point	251ºC
Exact Mass	332.23500
PSA	54.37000
LogP	3.77420
Vapour Pressure	9.95E-11mmHg at 25°C
Index of Refraction	1.532

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TU4157800

CHEMICAL NAME :: 5-alpha-Pregnane-11,20-dione, 3-alpha-hydroxy-

CAS REGISTRY NUMBER :: 23930-19-0

BEILSTEIN REFERENCE NO. :: 3217240

LAST UPDATED :: 199612

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C21-H32-O3

MOLECULAR WEIGHT :: 332.53

WISWESSER LINE NOTATION :: L E5 B666 CVTJ A1 E1 FV1 OQ

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 :: 297 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: 8,680,1977

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 116 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: 8,680,1977

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2200 mg/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 28,1337,1977

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 19400 ug/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 28,1337,1977

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 880 mg/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 28,1337,1977

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 430 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: 8,680,1977

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5220 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: 8,680,1977

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 36900 ug/kg

TOXIC EFFECTS :: Behavioral - general anesthetic

REFERENCE :: JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 1,119,1975

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 9360 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: 8,680,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1500 mg/kg/30D-I

TOXIC EFFECTS :: Liver - fatty liver degeneration Kidney, Ureter, Bladder - other changes Related to Chronic Data - death

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 28,1337,1977

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1820 mg/kg/13W-I

TOXIC EFFECTS :: Liver - fatty liver degeneration Kidney, Ureter, Bladder - other changes

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 28,1337,1977

Hazard Codes	Xn
Risk Phrases	R22
Safety Phrases	22-36
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	TU4157800

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