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1,4-PREGNADIEN-3,20-DIONE

1,4-PREGNADIEN-3,20-DIONE structure

CAS No.: 1162-54-5

Chemical Name:: 1,4-PREGNADIEN-3,20-DIONE

Synonyms: PREGNA-1,4-DIENE-3,20-DIONE;1-Progesterone;DELTA1-PROGESTERONE;1-DEHYDROPROGESTERONE;Progesterone impurity J;1,4-PREGNADIEN-3,20-DIONE;Progesterone BP Impurity J;Progesterone EP Impurity J;Didroprogesterone impurity 6;Progesterone Impurity 11(Progesterone EP Impurity J)

CBNumber:: CB6417585

Molecular Formula:: C21H28O2

Molecular Weight:: 312.45

MDL Number:: MFCD00199857

MOL File:: 1162-54-5.mol

MSDS File:: SDS

Last updated:2026-05-28 05:17:01

Product description	Number	Pack Size	Price
Progesterone Impurity J Pharmaceutical Secondary Standard; Certified Reference Material	PHR2280	50MG	$992
1,2-Dehydroprogesterone	AA000BTA	50mg	$1049
1,2-Dehydroprogesterone	AA000BTA	100mg	$1924
1,2-Dehydroprogesterone	D230330	5mg	$80
1,2-Dehydroprogesterone	D230330	10mg	$125

Request For Quotation

1,4-PREGNADIEN-3,20-DIONE Properties

Melting point	151-152 °C(Solv: ethyl ether (60-29-7))
Boiling point	449.2±45.0 °C(Predicted)
Density	1.10±0.1 g/cm3(Predicted)
solubility	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form	Solid
color	White to Off-White
EWG's Food Scores	1
FDA UNII	257V0W056G

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P280-P305+P351+P338

1,4-PREGNADIEN-3,20-DIONE price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR2280	Progesterone Impurity J Pharmaceutical Secondary Standard; Certified Reference Material	1162-54-5	50MG	$992	2026-04-30	Buy
aablocks	AA000BTA	1,2-Dehydroprogesterone	1162-54-5	50mg	$1049	2026-05-25	Buy
aablocks	AA000BTA	1,2-Dehydroprogesterone	1162-54-5	100mg	$1924	2026-05-25	Buy
TRC	D230330	1,2-Dehydroprogesterone	1162-54-5	5mg	$80	2021-12-16	Buy
TRC	D230330	1,2-Dehydroprogesterone	1162-54-5	10mg	$125	2021-12-16	Buy

Product number	Packaging	Price	Buy
PHR2280	50MG	$992	Buy
AA000BTA	50mg	$1049	Buy
AA000BTA	100mg	$1924	Buy
D230330	5mg	$80	Buy
D230330	10mg	$125	Buy

1,4-PREGNADIEN-3,20-DIONE Chemical Properties,Uses,Production

Uses

1,2-Dehydroprogesterone is a progesterone impurity which displays anti-flu virus effects. Also used int he preparation of cytotoxic agents with steroidal derivatives.

Definition

ChEBI: A 3-oxo Delta4-steroid that is progesterone which has been oxidised to introduce a double bond between positions 1 and 2.

1,4-PREGNADIEN-3,20-DIONE Preparation Products And Raw materials

Raw materials

Preparation Products

1,4-PREGNADIEN-3,20-DIONE Suppliers

Global( 70)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+8617392709771	1097@dideu.com	China	3997	58
Moxin Chemicals	+86-17320513646 +8617320513646	anna@molcoo.com	China	10000	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Shenzhen Excellent Biomedical Technology Co.,Ltd.	+86-0755-26050679 15915472436	sale@ex-biotech.cn	China	1023	58
Qingdao RENAS Polymer Material Co., Ltd.	+86-0532-86867058 +86-18562606086	sales@qdrenas.com	China	1066	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	+undefined18603013401	jack.lin@sincopharmachem.com	China	9996	58
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	12952	65
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-4000505016 13380397412	3001272453@qq.com	China	5157	50
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18439	56
Shandong Boluoda Biological Technology Co., Ltd.	0531-68659041	2310993908@qq.com	China	2979	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Moxin Chemicals	58
Standardpharm Co. Ltd.	58
Shenzhen Excellent Biomedical Technology Co.,Ltd.	58
Qingdao RENAS Polymer Material Co., Ltd.	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	58
BOC Sciences	65
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
Quality Control Solutions Ltd.	56
Shandong Boluoda Biological Technology Co., Ltd.	58

View Lastest Price from 1,4-PREGNADIEN-3,20-DIONE manufacturers

Update time	Product	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-22	1,4-PREGNADIEN-3,20-DIONE 1162-54-5	20kg	99%	20 tons	Qingdao RENAS Polymer Material Co., Ltd.
2025-12-24	1,4-PREGNADIEN-3,20-DIONE 1162-54-5	1KG	99.0%	10 tons	Shaanxi Dideu Medichem Co. Ltd
2025-12-16	Progesterone EP Impurity J 1162-54-5	20mg	95	100000	Moxin Chemicals

1,4-PREGNADIEN-3,20-DIONE
1162-54-5
$0.00
99%
Qingdao RENAS Polymer Material Co., Ltd.

1,4-PREGNADIEN-3,20-DIONE
1162-54-5
99.0%
Shaanxi Dideu Medichem Co. Ltd

Progesterone EP Impurity J
1162-54-5
95
Moxin Chemicals

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1of4

1-DEHYDROPROGESTERONE 1,4-PREGNADIEN-3,20-DIONE Progesterone Impurity 11(Progesterone EP Impurity J) Progesterone EP Impurity J DELTA1-PROGESTERONE (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one Progesterone impurity J Progesterone BP Impurity J (8S,9S,10R,13S,14S,17S)-17-Acetyl-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (Progesterone Impurity) Didroprogesterone impurity 6 1-Progesterone PREGNA-1,4-DIENE-3,20-DIONE 1162-54-5