ChemicalBook Product Catalog Analytical Chemistry Standard Pharmaceutical Impurity Reference Standards 3-Hydroxy-4-Methyl-2(5H)-thiophenone

3-Hydroxy-4-Methyl-2(5H)-thiophenone

3-Hydroxy-4-Methyl-2(5H)-thiophenone Basic information
Product Name:3-Hydroxy-4-Methyl-2(5H)-thiophenone
Synonyms:3-Hydroxy-4-Methyl-2(5H)-thiophenone;Cefalexin EP Impurity D;Cephalexin Impurity D (Cefradine EP Impurity F);Cefadroxil EP Impurity G;4-hydroxy-3-methyl-2H-thiophen-5-one;3-Hydroxy-4-methylthiophen-2(5H)-one;Cefradine EP Impurity F (Cefalexin EP Impurity D);cefalexin Impurity G
CAS:34876-35-2
MF:C5H6O2S
MW:130.16
EINECS:
Product Categories:Metabolites & Impurities, Sulfur & Selenium Compounds
Mol File:34876-35-2.mol
3-Hydroxy-4-Methyl-2(5H)-thiophenone Structure
3-Hydroxy-4-Methyl-2(5H)-thiophenone Chemical Properties
Melting point 32-34 °C(Solv: dichloromethane (75-09-2); hexane (110-54-3))
Boiling point 305.9±42.0 °C(Predicted)
density 1.431±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, Refrigerator, under inert atmosphere
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka8.96±0.20(Predicted)
color Light Yellow
Safety Information
HS Code 2934990002
MSDS Information
3-Hydroxy-4-Methyl-2(5H)-thiophenone Usage And Synthesis
Uses3-Hydroxy-4-methyl-2(5H)-thiophenone is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
Uses3-Hydroxy-4-methyl-2(5H)-thiophenone (Cefalexin EP Impurity D) is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
Cephalexin Cefadroxil Sulfoxide Cephalexin Sulfoxide CEPHALEXIN MONOHYDRATE Cephalexin Diketopiperazine [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Cephalexin capsule 4',5'-dihydrocefradine Cefradine Impurity 8 2,5-Piperazinedione, 3-(hydroxymethylene)-6-phenyl- L-Cephalexin (6R-trans)-7-[(2,2-diMethyl-1-oxopropyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2- [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid SodiuM Salt 7-Amino-3-methyl-3-cephem-4-carboxylic acid 7-Amino-3-chloro cephalosporanic acid Methyl(2S)-2-amino-2-(4-hydroxyphenyl)acetate Cefadroxil Related CoMpound I Cefprozil IMpurity C
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