ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >17β-Carboxy-17-desoxy Dexamethasone

17β-Carboxy-17-desoxy Dexamethasone

17β-Carboxy-17-desoxy Dexamethasone Structure
CAS No.
75262-69-0
Chemical Name:
17β-Carboxy-17-desoxy Dexamethasone
Synonyms
Dexamethasone Impurity 53;Dexamethasone Impurity 33;DexaMethasone Acid IMpurity;17β-Carboxy 17-DesoxyMethasone;Dexamethasone 20-Carboxy Impurity;Desoximetasone Oxidative Impurity;172-Carboxy-17-desoxy Dexamethasone;17β-Carboxy-17-desoxy Dexamethasone;17β-Carboxy-17-desoxy Dexamethasone;17-Beta-Carboxy-17-Desoxy-DexaMethasone
CBNumber:
CB12512357
Molecular Formula:
C21H27FO4
Molecular Weight:
362.44
MOL File:
75262-69-0.mol
Modify Date:
2023/5/15 10:43:56

17β-Carboxy-17-desoxy Dexamethasone Properties

Melting point 294-296°C (dec.)
Boiling point 529.4±50.0 °C(Predicted)
Density 1.28±0.1 g/cm3(Predicted)
storage temp. Refrigerator
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka 4.50±0.70(Predicted)
color White to Off-White

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS08
Signal word  Warning
Hazard statements  H373
Precautionary statements  P260-P314-P501

17β-Carboxy-17-desoxy Dexamethasone Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

An impurity of Dexamethasone (D298800), Desoxymethasone,

17β-Carboxy-17-desoxy Dexamethasone Preparation Products And Raw materials

Raw materials

Preparation Products

(11β,16α,17β)-9-Fluoro-11-hydroxy-16-Methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid 17β-Carboxy 17-DesoxyMethasone 17-Beta-Carboxy-17-Desoxy-DexaMethasone DexaMethasone Acid IMpurity Desoximetasone Oxidative Impurity 17β-Carboxy-17-desoxy Dexamethasone (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-17-carboxylic acid Dexamethasone 20-Carboxy Impurity 17-Carboxy-17-Desoxy-Dexamethasone (Dexamethasone Acid Impurity) 172-Carboxy-17-desoxy Dexamethasone Dexamethasone 17-Desoxy 17β-Carboxy Impurity Androsta-1,4-diene-17-carboxylic acid, 9-fluoro-11-hydroxy-16-methyl-3-oxo-, (11β,16α,17β)- Dexamethasone Acid 17-Deshydroxy Impurity Dexamethasone Impurity 53 17β-Carboxy-17-desoxy Dexamethasone Dexamethasone-17α-dehydroxy-17β-carboxylic Acid Dexamethasone Impurity 33 9-Fluoro-11β-hydroxy-16α-methyl-3-oxoandrosta-1,4-diene-17β-carboxylic Acid 9-Fluoro-11beta-hydroxy-16alpha-methyl-3-oxoandrosta-1,4-diene-17beta-carboxylic Acid (11β,16α,17β)-9-Fluoro-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid Desoximetasone Acid (25 mg) (COLD SHIPMENT) ((11Beta,16alpha,17Beta)-9-Fluoro-11-hydroxy-16-methyl-3-oxoandrosta-1,4- diene-17-carboxylic acid 75262-69-0 C21H27FO4 Impurities Pharmaceuticals Steroids Intermediates & Fine Chemicals