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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Dexamethasone 9,11-Epoxide
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24916-90-3

24916-90-3 structure

24916-90-3 structure

Name: Dexamethasone 9,11-epoxide
Chemical Name: Dexamethasone 9,11-Epoxide
CAS Number: 24916-90-3
Molecular Formula: C₂₂H₂₈O₅
Molecular Weight: 372.455
Catalog: Research Areas Inflammation/Immunology
Create Date: 2018-09-27 19:11:41
Modify Date: 2026-08-02 19:49:08
Dexamethasone 9,11-epoxide, a compound extracted from patent CN 106520896 A and RU 2532902 C1, is an intermediate in the preparation of dexamethasone.

Name	Dexamethasone 9,11-Epoxide
Synonyms	(9b,11b,16a)-9,11-oxy-17,21 9SS,11SS-OXY-17,21-DIHYDROXY-16A-METHYLPREGNA-1,4-DIENE-3,20-DIONE 9,11BETA-OXY-17,21-DIHYDROXY-16ALPHA-METHYL-9BETA-PREGNA-1,4-DIENE-3,20-DIONE Dexamethasone Impurity D Pregna-1,4-diene-3,20-dione,9,11-oxy-17,21-dihydroxy-16-Methyl-, (9b,11b,16a) 16ALPHA-METHYL OXIDE(8DM) dexamethasone 8 16-beta Methyl oxi 3TR(TETRAENEACETATE) Desoximetasone Impurity D (Dexamethasone Impurity D, Mometasone Furoate Impurity L) DOB-MN 16-β Methyl Epoxide 16-Methyloxide 9,11B-OXY-17,21-DIHYDROXY-16A-METHYL-9B-PREGNA-1,4-DIENE-3,20-DIONE 8-Dm24-3 16 beta-methyl oxy Mometasone Furoate Impurity 12（Mometasone Furoate Impurity L） (9B,11B,16A)-9,11-OXY-17,21-DIHYDROXY-16-METHYL-PREGNA-1,4-DIENE-3,20-DIONE 24-3 Mometasone Impurity L Dexamethasone Impurity D (Mometasone Furoate Impurity L) betamethasone 11 5-(2,3-dichlorophenyl)azo-4,6-dimethyl-2-pyrimidinamine (9β,11β,16α)-17,21-Dihydroxy-16-methyl-9,11-epoxypregna-1,4-diene-3,20-dione Desoximetasone Impurity D 8DM(16a-Methyl-oxide Dexamethasone Impurity D (Mometasone Furoate Impurity L, Desoximetasone Impurity D) 16Beta-methyl oxide[8DM] 9beta,11beta-oxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 9β,11β-oxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione (9β)-9,11β-oxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione 8DM 16 α-Methyl oxide(8-DM) 17-Hydroxy-9,11-oxy-16-methylpregna-1,4-diene-3,20-dione (4aS,4bS,5aS,6aS,7R,8R,9aS,9bS)-7-hydroxy-7-(2-hydroxyacetyl)-4a,6a,8-triMethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(4aH)-one MFCD07782140 9BETA,11BETA-OXY-17,21-DIHYDROXY-16ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE 9beta,11beta-oxy-17,21-dihydroxy 8-DM , 9BETA,11BETA-OXY-17,21-DIHYDROXY-16ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE (9,11,16a)-9,11-oxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione Pregna-1,4-diene-3,20-dione, 9,11-oxy-17,21-dihydroxy-16-methyl-, (9β,11β,16α) Mometasone Furoate Impurity L (Dexamethasone Impurity D) 9,11-oxy-17,21-dihydroxy-16-methyl-(9-beta-11-beta-16-alpha)-Pregna-1,4-diene-3,20-dione 17α,21-Dihydroxy-16α-methyl-9β,11β-oxypregna-1,4-diene-3,20-dione 9,11B-OXY-17,21-DIHYDROXY-16B-METHYL-9B-PREGNA-1,4-DIENE-3,20-DIONE 9β,11β-oxy-17,21-dihydroxy-16α-methylpregna-1,4-diene-3 (4aS,4bS,5aS,6aS,7R,8R,9aS,9bS) Clorcortolone interMediate 1- Pregna-1,4-diene-3,20-dione, 9,11-oxy-17,21-dihydroxy-16-Methyl-, (9β,11β,16α) 9,11-oxy-16-methylpregna-1,4-diene-17,21-diol-3,20-dione EINECS 213-563-4 Dexamethasone 9,11-oxide 16-ALPHA METHYL OXIDE 16 beta-methyl oxy 21-acetate 8DM (16α-Methyl-oxide) Dexamethasone-9(11)-β-oxide 16 Beta-Methyl oxide 21-Acetate (9b,11b,16a)-9,11-oxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione Dexamethasone Impurity 4(Dexamethasone Impurity D) 16beta-Methyl 16-A METHYL EOPOXIDE (4aS,4bS,5aS,6aS,7R,8R,9aS,9bS)-7-Glycoloyl-7-hydroxy-4a,6a,8-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[7,8]phenanthro[4b,5-b]oxiren-2(4aH)-one (9β,11β,16β)-17,21-Dihydroxy-16-methyl-9,11-epoxypregna-1,4-diene-3,20-dione

Description	Dexamethasone 9,11-epoxide, a compound extracted from patent CN 106520896 A and RU 2532902 C1, is an intermediate in the preparation of dexamethasone.
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology
References	[1]. CN 106520896 A [2]. RU 2532902 C1

Density	1.3±0.1 g/cm3
Boiling Point	564.9±50.0 °C at 760 mmHg
Melting Point	210-220ºC
Molecular Formula	C₂₂H₂₈O₅
Molecular Weight	372.455
Flash Point	198.1±23.6 °C
Exact Mass	372.193665
PSA	87.13000
LogP	2.23
Vapour Pressure	0.0±3.5 mmHg at 25°C
Index of Refraction	1.616
Storage condition	Refrigerator

HS Code	2937290090

Precursor 2
78761-59-8 89561-92-2
DownStream 3
2884-51-7 83919-23-7 105102-22-5

HS Code	2937290090

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