Uses
ChemicalBook > CAS DataBase List > Pregna-4,6-diene-3,20-dione

Pregna-4,6-diene-3,20-dione

Uses
Product Name
Pregna-4,6-diene-3,20-dione
CAS No.
1162-56-7
Chemical Name
Pregna-4,6-diene-3,20-dione
Synonyms
6-DEHYDROPROGESTERONE;Dydrogesterone EP Impurity B;(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one;Δ6-Progesterone;CIS-DYDROGESTERONE;Dehydroprogesterone;DELTA-6-PROGESTERONE;6-Dehydropprogesterone;Progesterone Impurity H;Progesterone Derivatives
CBNumber
CB6196404
Molecular Formula
C21H28O2
Formula Weight
312.45
MOL File
1162-56-7.mol
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Pregna-4,6-diene-3,20-dione Property

Melting point:
147-148 °C(Solv: hexane (110-54-3))
Boiling point:
462.8±45.0 °C(Predicted)
Density 
1.10±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly)
color 
White to Off-White
InChI
InChI=1S/C21H28O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4-5,12,16-19H,6-11H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1
InChIKey
JGMOKGBVKVMRFX-LEKSSAKUSA-N
SMILES
C1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1)(C)[C@@H](C(=O)C)CC3)C=C2
CAS DataBase Reference
1162-56-7(CAS DataBase Reference)
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Safety

HS Code 
2937230000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0001006
Product name
Dydrogesterone impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
5 mg
Price
$127
Updated
2026/03/19
Sigma-Aldrich
Product number
PHR2905
Product name
Progesterone Related Compound H
Purity
pharmaceutical secondary standard, certified reference material
Packaging
100MG
Price
$667
Updated
2026/03/19
Sigma-Aldrich
Product number
Y0001006
Product name
Dydrogesterone impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0001006
Price
$223
Updated
2024/03/01
TCI Chemical
Product number
P2623
Product name
Pregna-4,6-diene-3,20-dione
Purity
>98.0%(GC)
Packaging
1g
Price
$85
Updated
2026/03/19
TCI Chemical
Product number
P2623
Product name
Pregna-4,6-diene-3,20-dione
Purity
>98.0%(GC)
Packaging
5g
Price
$295
Updated
2026/03/19
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Pregna-4,6-diene-3,20-dione Chemical Properties,Usage,Production

Uses

6-Dehydroprogesterone is an impurity found in progesterone.

Uses

6-Dehydroprogesterone is an impurity found in progesterone (P755900).

Pregna-4,6-diene-3,20-dione Preparation Products And Raw materials

Raw materials

Preparation Products

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Pregna-4,6-diene-3,20-dione Suppliers

China 178 Europe 2 Germany 1 India 8 Japan 1 United Kingdom 4 United States 20 Global 214
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
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China
ProdList
14101
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42934
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64
XiaoGan ShenYuan ChemPharm co,ltd
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15527621225
Email
1791901229@qq.com
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China
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6898
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ChemCell Biomedicine Co.,Ltd.
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020-13556033878 2965585218 13556033878
Fax
0086-0757-85406358
Email
chemcell@hotmail.com
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China
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Hangzhou Yuhao Chemical Technology Co., Ltd
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0571-82693216
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+86-571-82880190
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info@yuhaochemical.com
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6387
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S.Z. PhyStandard Bio-Tech. Co., Ltd.
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0755-4000505016 13380397412
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0755 28094224
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3001272453@qq.com
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China
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5157
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TOKYO CHEMICAL INDUSTRY CO., LTD.
Tel
03-36680489
Fax
03-3668-0520
Email
Sales-JP@TCIchemicals.com
Country
Japan
ProdList
28387
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Nanjing Sunlida Biological Technology Co., Ltd.
Tel
025-57798810
Fax
025-57019371
Email
sales@sunlidabio.com
Country
China
ProdList
3239
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55
TargetMol Chemicals Inc.
Tel
021-021-33632979 15002134094
Fax
021-33632979
Email
marketing@targetmol.com
Country
China
ProdList
8000
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Shanghai GAOXIANG Chemical Co., Ltd.
Tel
021-57816257 18930243658
Fax
021-57816257
Email
fecpo@139.com
Country
China
ProdList
295
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View Lastest Price from Pregna-4,6-diene-3,20-dione manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Pregna-4,6-diene-3,20-dione 1162-56-7
Price
US $0.00-0.00/KG
Min. Order
1g
Purity
98%min
Supply Ability
10KGS
Release date
2021-06-05
Wuhan Biocar Pharmacy CO.,Ltd.
Product
Dehydroprogesterone 1162-56-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2550kg
Release date
2025-02-26
Shaanxi Xianhe Biotech Co., Ltd
Product
6-Dehydroprogesterone 1162-56-7
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
1000kg
Release date
2025-04-17

1162-56-7, Pregna-4,6-diene-3,20-dioneRelated Search:

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- Pregna-1,4-diene-3,20-dione,11β,16α,17α,21-tetrahydroxy-1,4-pregnadiene-3,20-dione 16,17-acetonide 21-acetate Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-chloro-11,17-dihydroxy-16-methyl-, (11β,16β)- Pregna-1,4-diene-3,20-dione, 6,9-difluoro-11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (6β,11β,16α)- Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-16,17-[ethylidenebis(oxy)]-6,9-difluoro-11-hydroxy-, [6α,11β,16α(S)]- (9CI) Pregna-1,4-diene-3,20-dione, 11,21-dihydroxy-16,17-[propylidenebis(oxy)]-, [11β,16α(R)]- (9CI) Chlormadinone acetate (11b,16a)-11,21-dihydroxy-16,17-((1-methylethylidene)bis(oxy))-pregna-1,4-diene-3,20-dione Medrogestone CHLORMADINON Megestrol acetate Pregna-4,6-diene-3,20-dione Cyproterone 11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate 17-valerate Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-21-(phosphonooxy)-, disodium salt, (11b)- (9CI) Prednisolone succinate Dexamethasone-17-acetate Flunisolide

  • 4,6-PREGNADIEN-3,20-DIONE
  • 6-DEHYDROPROGESTERONE
  • 6-Dehydropprogesterone
  • 6- dehydrogenase Progesterone
  • Progesterone Derivatives
  • DELTA-6-PROGESTERONE
  • PREGNA-4,6-DIENE-3,20-DIONE
  • Dehydroprogesterone
  • CIS-DYDROGESTERONE
  • 6-DEHYDROPROGESTERONE HPLC 98.5+%
  • 6,7-Didehydroprogesterone
  • Δ6-Progesterone
  • (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
  • (8S,9S,10R,13S,14S,17S)-17-ethanoyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
  • 6-Dehydroxy Progesterone
  • Progesterone EP Impurity H
  • Progesterone Impurity 9(Progesterone EP Impurity H)
  • (1R,4S)-4-[(4aS,6R,8aR)-2-[(2S,5R)-5-bromo-2,6,6-trimethyl-2-oxanyl]-4a-methyl-3,4,6,7,8,8a-hexahydro-2H-pyrano[3,2-b]pyran-6-yl]-1-[(2S,5R)-5-(2-hydroxypropan-2-yl)-2-methyl-2-oxolanyl]pentane-1,4-di
  • Dydrogesterone Impurity 2（Dydrogesterone EP Impurity B）
  • Dydrogesterone EP Impurity B
  • Dydrogesterone impurity B CRS
  • Pregna-4,6-diene-3,20-dione (Δ6-Pro
  • Pregna-4,6-diene-2,30-dion
  • 6-DEHYDROPROGESTERONE 1162-56-7
  • Dydrogesterone EP Impurity BQ: What is Dydrogesterone EP Impurity B Q: What is the CAS Number of Dydrogesterone EP Impurity B
  • TIANFU-CHEM Pregna-4,6-diene-3,20-dione
  • Progesterone Related Compound H
  • Progesterone USP Related Compound H
  • pregna-4,6-diene-3,20-dione(Δ6-progesterone)
  • Pregna-4,6-diene-3,20-dione (Dydrogesterone Impurity)
  • Dydrogesterone EP Impurity B（Progesterone EP Impurity H）
  • Progesterone Impurity H
  • (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
  • Pregna-4,6-diene-3,20-dione (Delta6-Progesterone)
  • Progesterone EP Impurity H (Dydrogesterone EP Impurity B, Progesterone USP Related Compound H)
  • Progesterone Impurity 11
  • Progesterone EP Impurity H (Dydrogesterone EP Impurity B)
  • 1162-56-7