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
Cefalexin-EP-Imp-D;Cefalexin Impurity D;cefalexin Impurity G;Cefalexin EP Impurity D;Cefadroxil EP Impurity G;Cephalexin EP Impurity D;Cefalexin Impurity D Control;3-Hydroxy-4-methylthiophen-2(5H)-one;4-hydroxy-3-methyl-2H-thiophen-5-one;3-Hydroxy-4-Methyl-2(5H)-thiophenone
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)
pka
8.96±0.20(Predicted)
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Safety

HS Code 
2934990002
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Hazard and Precautionary Statements (GHS)

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3-Hydroxy-4-Methyl-2(5H)-thiophenone Chemical Properties,Usage,Production

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

J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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86-10-82849933
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jkinfo@jkchemical.com;market6@jkchemical.com
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S.Z. PhyStandard Bio-Tech. Co., Ltd.
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0755 28094224
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Shanghai TaoSu Biochemical Technology Co., Ltd.
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021-33632979
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ChemStrong Scientific Co.,Ltd
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Mashilabs (Shanghai) Co.,Ltd.
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Shanghai Kewel Chemical Co., Ltd.
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Nanjing XiZe Biotechnology CO., Ltd.
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025-58362220-
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BOC Sciences
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Pharmacodia (Beijing) Co.,Ltd
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+86-400-851-9921;+86-10-82826195
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Tonichem Pharmaceutical Technology Co., Ltd.
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+86 (0752) 222-7171 / +86 15815821171
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+86 (0752) 222-6171
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34876-35-2, 3-Hydroxy-4-Methyl-2(5H)-thiophenoneRelated Search:


  • 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
  • 34876-35-2
  • Metabolites & Impurities, Sulfur & Selenium Compounds