Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Pregnane-3,20-dione, (5b)-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pregnane-3,20-dione, (5b)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

128-23-4

128-23-4 structure

128-23-4 structure

Name: Pregnane-3,20-dione, (5b)-
Chemical Name: 5β-pregnane-3,20-dione
CAS Number: 128-23-4
Molecular Formula: C₂₁H₃₂O₂
Molecular Weight: 316.47800
Create Date: 2016-04-02 00:59:17
Modify Date: 2025-08-25 14:15:54

Name	5β-pregnane-3,20-dione
Synonyms	5beta-Pregnan-3,20-dione (5R,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one 3,20-Pregnanedione 5beta-Dihydroprogesterone 5beta-pregnane-3,20-dione CI2 5b-pregnane-3,20-dione

Density	1.048g/cm3
Boiling Point	429.2ºC at 760mmHg
Molecular Formula	C₂₁H₃₂O₂
Molecular Weight	316.47800
Flash Point	160.3ºC
Exact Mass	316.24000
PSA	34.14000
LogP	4.80340
Vapour Pressure	1.43E-07mmHg at 25°C
Index of Refraction	1.515
Storage condition	-20°C

Precursor 9
57-83-0 128-20-1 114615-82-6 7529-22-8
67192-95-4 80-92-2 1096-38-4 62973-42-6
6870-74-2
DownStream 6
57-83-0 80-92-2 128-21-2 128-20-1
80-89-7 80-93-3

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