Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 17a-Hydroxypregnenolone
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Purity: 96.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pregn-5-en-20-one,3,17-dihydroxy-, (3b)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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387-79-1

387-79-1 structure

387-79-1 structure

Name: 17a-Hydroxypregnenolone
Chemical Name: 17α-hydroxypregnenolone
CAS Number: 387-79-1
Molecular Formula: C₂₁H₃₂O₃
Molecular Weight: 334.493
Catalog: Research Areas Endocrinology
Create Date: 2018-09-26 15:25:00
Modify Date: 2025-08-21 18:38:42
17a-Hydroxypregnenolone is a pregnane steroid. 17a-Hydroxypregnenolone is a prohormone in the formation of dehydroepiandrosterone (DHEA).

Name	17α-hydroxypregnenolone
Synonyms	MFCD00021129 Pregnan-2-one, 3,17-dihydroxy- Hydroxypregnenolone EINECS 206-862-6 HYDROXYPREGNENOLONE,17A 17a-Hydroxypregnolone 17alpha-Hydroxy 5-Pregnen-3.β.,17.α.-diol-20-one 17-OH PREG 3,17-Dihydroxypregnan-2-one 17-OH-pregnenolone 17A-HYDROXY PREGNENOLONE 17alpha-hydroxypregnenolone 17-Hydroxy Pregnenolone 17A-HYDROXYPREGENOLONE

Description	17a-Hydroxypregnenolone is a pregnane steroid. 17a-Hydroxypregnenolone is a prohormone in the formation of dehydroepiandrosterone (DHEA).
Related Catalog	Research Areas >> Endocrinology
Target	Human Endogenous Metabolite

Density	1.1±0.1 g/cm3
Boiling Point	468.1±40.0 °C at 760 mmHg
Melting Point	273℃
Molecular Formula	C₂₁H₃₂O₃
Molecular Weight	334.493
Flash Point	251.0±23.8 °C
Exact Mass	334.250793
PSA	57.53000
LogP	3.46
Vapour Pressure	0.0±2.6 mmHg at 25°C
Index of Refraction	1.540
Storage condition	?20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TU5548000

CHEMICAL NAME :: Pregn-5-en-20-one, 3-beta,17-dihydroxy-

CAS REGISTRY NUMBER :: 387-79-1

LAST UPDATED :: 198910

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C21-H32-O3

MOLECULAR WEIGHT :: 332.53

WISWESSER LINE NOTATION :: L E5 B666 LUTJ A1 E1 FV1 FQ OQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 99600 ug/kg

SEX/DURATION :: male 48 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

REFERENCE :: IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 5,45,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 96 mg/kg

SEX/DURATION :: male 48 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles)

REFERENCE :: IJEBA6 Indian Journal of Experimental Biology. (Publications & Information Directorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- Volume(issue)/page/year: 11,484,1973

Symbol	GHS02, GHS06, GHS08
Signal Word	Danger
Hazard Statements	H225-H301 + H311 + H331-H370
Precautionary Statements	P210-P260-P280-P301 + P310-P311
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	F,T
Risk Phrases	11-23/24/25-39/23/24/25
Safety Phrases	7-16-36/37-45
RIDADR	UN1230 - class 3 - PG 2 - Methanol
WGK Germany	3
RTECS	TU5548000

Precursor 10
1863-39-4 974-23-2 2381-45-5 114417-72-0
14072-39-0 80287-35-0 13714-60-8 68-96-2
4954-07-8 979-02-2
DownStream 6
1863-39-4 68-96-2 63-05-8 3517-38-2
152-58-9 604-03-5

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