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ChemicalBook >> CAS DataBase List >>Pregna-4,9(11),16-triene-3,20-dione

Pregna-4,9(11),16-triene-3,20-dione

Pregna-4,9(11),16-triene-3,20-dione Structure
Pregna-4,9(11),16-triene-3,20-dione structure
CAS No.
21590-20-5
Chemical Name:
Pregna-4,9(11),16-triene-3,20-dione
Synonyms
HYDROCORTISONE IMPURITY 17;Pregna-4,9(11),16-triene-3,20-dione;pregna-4,9(11),16-tetraene-3,20-dione;(8S,10S,13S,14S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15-octahydrocyclopenta[a]phenanthren-3-one
CBNumber:
CB82708898
Molecular Formula:
C21H26O2
Molecular Weight:
310.43
MDL Number:
MFCD31563223
MOL File:
21590-20-5.mol
Last updated:2024-04-08 13:48:25
Product description Number Pack Size Price
Pregna-4,9(11),16-triene-3,20-dione TRC-P711305-5MG 5mg $299
Pregna-4,9(11),16-triene-3,20-dione TRC-P711305-25MG 25mg $1308
Pregna-4,9(11),16-triene-3,20-dione TRC-P711305-2.5MG 2.5mg $186
Pregna-4,9(11),16-triene-3,20-dione 166014 5mg $496
Pregna-4,9(11),16-triene-3,20-dione AA00C2FB 2.5mg $269
Request For Quotation

Pregna-4,9(11),16-triene-3,20-dione Properties

Melting point 199-201 °C
Boiling point 480.4±45.0 °C(Predicted)
Density 1.13±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly), DMSO (Slightly, Heated), Methanol (Slightly)
form Solid
color White to Off-White

Pregna-4,9(11),16-triene-3,20-dione price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-P711305-5MG Pregna-4,9(11),16-triene-3,20-dione 21590-20-5 5mg $299 2026-06-03 Buy
TRC TRC-P711305-25MG Pregna-4,9(11),16-triene-3,20-dione 21590-20-5 25mg $1308 2026-06-03 Buy
TRC TRC-P711305-2.5MG Pregna-4,9(11),16-triene-3,20-dione 21590-20-5 2.5mg $186 2026-06-03 Buy
Usbiological 166014 Pregna-4,9(11),16-triene-3,20-dione 21590-20-5 5mg $496 2026-06-03 Buy
aablocks AA00C2FB Pregna-4,9(11),16-triene-3,20-dione 21590-20-5 2.5mg $269 2026-05-28 Buy
Product number Packaging Price Buy
TRC-P711305-5MG 5mg $299 Buy
TRC-P711305-25MG 25mg $1308 Buy
TRC-P711305-2.5MG 2.5mg $186 Buy
166014 5mg $496 Buy
AA00C2FB 2.5mg $269 Buy

Pregna-4,9(11),16-triene-3,20-dione Chemical Properties,Uses,Production

Uses

Pregna-4,9(11),16-triene-3,20-dione is an intermediate in the synthesis of Norethandrolone (N675000).

Pregna-4,9(11),16-triene-3,20-dione synthesis

116256-54-3
21590-20-5
Synthesis of Pregna-4,9(11),16-triene-3,20-dione from Pregna-4,16-diene-3,20-dione, 9-hydroxy-

Pregna-4,9(11),16-triene-3,20-dione Preparation Products And Raw materials

Raw materials

Pregna-4,16-diene-3,20-dione, 9-hydroxy- 17-hydroxypregna-4,9(11)-diene-3,20-dione

Preparation Products

Pregna-4,9(11),16-triene-3,20-dione Suppliers

Global( 13)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd 		+86-371-86557731 +86-13613820652 info@fdachem.com China 20122 58
SHANGHAI KEAN TECHNOLOGY CO., LTD. 		+8613817748580 cooperation@kean-chem.com China 40066 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32321 50
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 +86-13028896684; sales@rrkchem.com China 57422 58
Jinan blalong chemical co. LTD 2710913286@.com 1513643261@qq.com China 14246 58
Energy Chemical 021-58432009 400-005-6266 marketing@energy-chemical.com China 44918 58
Shenzhen Excellent Biomedical Technology Co., Ltd. 0755-26050679 18318671572 2850803126@qq.com China 10000 58
Shanghai Zerui Biotechnology Co., Ltd. 021-54580889 18321124657 1054713992@qq.com China 10608 58
Santa Cruz Biotechnology Inc 021-60936350 scbt@scbt.com China 6594 58
Supplier Advantage
Henan Fengda Chemical Co., Ltd 		58
SHANGHAI KEAN TECHNOLOGY CO., LTD. 		58
J & K SCIENTIFIC LTD. 76
Chemsky（shanghai）International Co.,Ltd. 50
Shenzhen Polymeri Biochemical Technology Co., Ltd. 58
Jinan blalong chemical co. LTD 58
Energy Chemical 58
Shenzhen Excellent Biomedical Technology Co., Ltd. 58
Shanghai Zerui Biotechnology Co., Ltd. 58
Santa Cruz Biotechnology Inc 58

View Lastest Price from Pregna-4,9(11),16-triene-3,20-dione manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Pregna-4,9(11),16-triene-3,20-dione pictures 2025-09-25 Pregna-4,9(11),16-triene-3,20-dione
21590-20-5
 $1.00-10.00 1kg 99% Henan Fengda Chemical Co., Ltd
Pregna-4,9(11),16-triene-3,20-dione (8S,10S,13S,14S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15-octahydrocyclopenta[a]phenanthren-3-one HYDROCORTISONE IMPURITY 17 pregna-4,9(11),16-tetraene-3,20-dione 21590-20-5