Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pregnan-20-one,3,17-dihydroxy-, (3a,5b)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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570-52-5

570-52-5 structure

570-52-5 structure

Name: Pregnan-20-one,3,17-dihydroxy-, (3a,5b)-
Chemical Name: Pregnan-20-one,3,17-dihydroxy-, (3a,5b)
CAS Number: 570-52-5
Molecular Formula: C₂₁H₃₄O₃
Molecular Weight: 334.49300
Create Date: 2019-08-19 19:40:27
Modify Date: 2025-08-24 18:50:12

Name	Pregnan-20-one,3,17-dihydroxy-, (3a,5b)
Synonyms	5B-pregnane-3A-17A-diol-20-one 3ALPHA,17ALPHA-Dihydroxy-5B-pregnan-20-one 5BETA-PREGNAN-3ALPHA,17ALPHA-DIOL-20-ONE

Density	1.123g/cm3
Boiling Point	465.4ºC at 760 mmHg
Molecular Formula	C₂₁H₃₄O₃
Molecular Weight	334.49300
Flash Point	249.4ºC
Exact Mass	334.25100
PSA	57.53000
LogP	3.71010
Index of Refraction	1.544

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TU4381200

CHEMICAL NAME :: 5-beta-Pregnan-20-one, 3-alpha,17-alpha-dihydroxy-

CAS REGISTRY NUMBER :: 570-52-5

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C21-H34-O3

MOLECULAR WEIGHT :: 334.55

WISWESSER LINE NOTATION :: L E5 B666TJ A1 E1 FV1 FQ OQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 160 mg/kg

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

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,117,1968

Precursor 0
DownStream 3
1098-45-9 1165-28-2 128-23-4

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