ChemicalBook > CAS DataBase List > 3-Hydroxy-4-Methyl-2(5H)-thiophenone

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

Product Name
3-Hydroxy-4-Methyl-2(5H)-thiophenone
CAS No.
34876-35-2
Chemical Name
3-Hydroxy-4-Methyl-2(5H)-thiophenone
Synonyms
Refer to C-479;Cefalexin-EP-Imp-D;Cefalexin Impurity D;cefalexin Impurity G;Cefalexin EP Impurity D;Cefadroxil EP Impurity G;Cephalexin EP Impurity D;Cefradine Impurity F (EP);Cefalexin Impurity D Control;3-Hydroxy-4-methylthiophen-2(5H)-one
CBNumber
CB32694303
Molecular Formula
C5H6O2S
Formula Weight
130.16
MOL File
34876-35-2.mol
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3-Hydroxy-4-Methyl-2(5H)-thiophenone Property

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
pka
8.96±0.20(Predicted)
color 
Light Yellow
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Safety

HS Code 
2934990002
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
H825545
Product name
3-Hydroxy-4-methyl-2(5H)-thiophenone
Packaging
100mg
Price
$185
Updated
2021/12/16
TRC
Product number
H825545
Product name
3-Hydroxy-4-methyl-2(5H)-thiophenone
Packaging
1g
Price
$1455
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC63716
Product name
Cefradine impurity F
Packaging
10mg
Price
$65
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC63716
Product name
Cefradine impurity F
Packaging
25mg
Price
$100
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC63716
Product name
Cefradine impurity F
Packaging
50mg
Price
$160
Updated
2021/12/16
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3-Hydroxy-4-Methyl-2(5H)-thiophenone Chemical Properties,Usage,Production

Uses

3-Hydroxy-4-methyl-2(5H)-thiophenone (Cefalexin EP Impurity D) is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.

Uses

3-Hydroxy-4-methyl-2(5H)-thiophenone is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.

3-Hydroxy-4-Methyl-2(5H)-thiophenone Preparation Products And Raw materials

Raw materials

Preparation Products

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

China 56 India 6 United Kingdom 1 United States 4 Global 67
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34876-35-2, 3-Hydroxy-4-Methyl-2(5H)-thiophenoneRelated Search:

Cefprozil IMpurity C [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid SodiuM Salt Methyl(2S)-2-amino-2-(4-hydroxyphenyl)acetate Cephalexin Diketopiperazine Cefadroxil Sulfoxide 7-Amino-3-chloro cephalosporanic acid [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 D-2-Phenylglycine JZWUWLJCMMPASK-YTSMVRMISA-N Cephalexin Sulfoxide (6R-trans)-7-[(2,2-diMethyl-1-oxopropyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2- Cefradine Impurity 8 4',5'-dihydrocefradine Cefadroxil Related CoMpound I 2,5-Piperazinedione, 3-(hydroxymethylene)-6-phenyl- Phenylglycylcefalexin 7-Amino-3-methyl-3-cephem-4-carboxylic acid L-Cephalexin

  • 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
  • Cefalexin Impurity 4(EP Impurity D)
  • Cefradine Impurity 6(Cefradine EP Impurity F)
  • Cefadroxil EP Impurity G/Cefradine EP Impurity F
  • Cephalexin EP Impurity D/Cefradine EP Impurity F/Cefadroxil EP Impurity G/3-hydroxy-4-methylthiophen-2(5H)-one
  • Cefradine impurity 4/Cefradine EP Impurity F/3-hydroxy-4-methylthiophen-2(5H)-one
  • Cefradine EP Impurity F (Cefadroxil EP Impurity G, Cephalexin EP Impurity D)
  • Cefadroxil EP Impurity G (Cefradine EP Impurity F, Cephalexin EP Impurity D)
  • Cefalexin-EP-Imp-D
  • Cephalexin EP Impurity D
  • Cefadroxil Impurity 2（Cefadroxil EP Impurity G）
  • Cefalexin Impurity D Control
  • Cephalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G)
  • 2(5H)-Thiophenone, 3-hydroxy-4-methyl-
  • Cefalexin EP Impurity D (Cefradine EP Impurity F)
  • Cefadroxil EP Impurity G (Cephalexin EP Impurity D, Cefradine EP Impurity F)
  • Cefradine EP Impurity F (Cephalexin EP Impurity D, Cefadroxil EP Impurity G)
  • Cefalexin Impurity 4（Cefalexin EP Impurity D）
  • Cefalexin Impurity D
  • Cephalexin Related Compound D (3-Hydroxy-4-methylthiophen-2(5H)-one) (1099041)
  • Cefadroxil EP Impurity G（Cefradine EP Impurity F/Cefalexin EP Impurity D）
  • 3-Hydroxy-4-methylthiophen-2(5H)-one (Cefradine Impurity)
  • Cefalexin EP Impurity D（Cefradine EP Impurity F、Cefadroxil EP Impurity G）
  • Cefradine Impurity F (EP)
  • Refer to C-479
  • Cephalexin Impurity D、Cefadroxil Impurity G、Cefradine Impurity F (TBAB-D)
  • Cefalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G, Cephalexin USP Related Compound D)
  • 34876-35-2
  • Metabolites & Impurities, Sulfur & Selenium Compounds