Dexamethasone 9,11-epoxide CAS#: 24916-90-3

Dexamethasone 9,11-epoxide Basic information

Product Name:

Dexamethasone 9,11-epoxide

Synonyms:

(9b,11b,16a)-9,11-epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione
Desoximetasone Impurity D (Dexamethasone EP Impurity D, Mometasone Furoate EP Impurity L)
Dexamethasone EP Impurity D (Mometasone Furoate EP Impurity L, Desoximetasone Impurity D)
Mometasone Furoate Impurity 12（Mometasone Furoate EP Impurity L）
5-(2,3-dichlorophenyl)azo-4,6-dimethyl-2-pyrimidinamine
(4aS,4bS,5aS,6aS,7R,8R,9aS,9bS)
Desoximetasone Impurity D
Dexamethasone EP Impurity D

CAS:

24916-90-3

MF:

C22H28O5

MW:

372.45

EINECS:

246-529-2

Product Categories:

Pharmaceutical Raw Materials
Intermediates & Fine Chemicals
Pharmaceuticals
Steroids
24916-90-3

Mol File:

24916-90-3.mol

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Dexamethasone 9,11-epoxide Chemical Properties

Melting point:: 210-220°C
Boiling point:: 564.9±50.0 °C(Predicted)
Density: 1.32
Flash point:: 198°C
storage temp.: Sealed in dry,2-8°C
solubility: Chloroform (Slightly, Heated, Sonicated), DMSO (Slightly, Sonicated), Methanol (
pka: 12.56±0.70(Predicted)
form: Solid
color: White to Pale Yellow
CAS DataBase Reference: 24916-90-3(CAS DataBase Reference)

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Dexamethasone 9,11-epoxide Usage And Synthesis

Chemical Properties

Pale-Yellow Solid

Uses

A metabolite of Mometasone furoate.

Uses

Dexamethasone intermediate.

Definition

Pyrethrolone ester of chrysanthemumdicarboxylic acid. One of the four primary active insecticidal ingredients of pyrethrum flowers.

Dexamethasone 9,11-epoxide Preparation Products And Raw materials

Raw materials

Hecogenin

Dexamethasone 9,11-epoxideSupplier

Longshi (Shanghai) Biomedical Technology Co., LTD Gold

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J & K SCIENTIFIC LTD.

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Adamas Reagent, Ltd.

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Nanjing Chemlin Chemical Co., Ltd

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Chemsky（shanghai）International Co.,Ltd.

Tel: 021-50135380
Email: shchemsky@sina.com

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