Home > Carbonyl Compounds> 16,17-didehydropregnenolone

16,17-didehydropregnenolone

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Origin: China

Cas No: 1162-53-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
1162-53-4
Other Names:
16-dienolone
MF:
C21H30O2
EINECS No.:
1162-53-4
Place of Origin:
Shaanxi, China
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
99%MIN
Brand Name:
GK
Model Number:
GK2020
Application:
organic intermediates
Appearance:
powder
Product name:
Pregna-5
Description:
white powder
CAS:
1162-53-4
Synonyms:
16-dienolone
Assay:
99%min
useage:
intermediates
Packaging&Delivery
Packaging Details
5kg/drum, 10kg/drum,25kg/drum
Port
Major ports in China

Property

CAS No.: 1162-53-4 Formula: C21H30O2 Molecular Weight: 314.46200

Basic Info

Chemical Name	16,17-didehydropregnenolone
Synonyms	16-DEHYDRO PREGNENLONE ACETATE; 16-Dehydropregnenolone; delta16-Pregnenolone; 5A,16-DEHYROPREGNENOLONE; 16-dehydro-pregnenolone; Dehydropregnenolone; DPA; CDRI/80-574; Pregna-5,16-dien-20-one, 3-hydroxy-, (3β)-; 16-Dehydropregnolone; Pregna-5,16-dienolone; 16-DPA;
CAS No.	1162-53-4
Molecular Formula	C21H30O2
Molecular Weight	314.46200
PSA	37.30000
LogP	4.43540

Properties

Density	1.11 g/cm3
Boiling Point	456.6ºC at 760 mmHg
Flash Point	194.4ºC
Refractive Index	1.565
Vapor Pressure	2.96E-10mmHg at 25°C

Safety Info

Safety Statements	S22; S24/25
WGK Germany	3
Risk Statements	R20/22
Hazard Codes	Xn

Synthesis Route

3',4',6'-tri-O-acetyl-1',2',O-(16-dehydropregnenolone-3-yloxyethylidene)-α-D-glucopyranose→16,17-didehydropregnenolone+16-Dehydropregnenolone acetate
16-Dehydropregnenolone acetate→16,17-didehydropregnenolone
diosgenin→16,17-didehydropregnenolone+(R)-4-methyl-δ-valerolactone

Precursor

3β-Acetoxy-20ξ-(diethylphosphono)-20ξ-isocyanopregna-5,16-diene
diosgenin
16-Dehydropregnenolone acetate
Ethylene glycol

Downstream Product

3β-hydroxy-5α-pregnan-20-one
(3β,20R)-Pregn-5-ene-3,20-diol
[17-(1-acetyloxyethyl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate
(3S,8R,9S,10R,13S,14S)-17-[(Z)-N-hydroxy-C-methylcarbonimidoyl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-ol

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