| Identification | Back Directory | [Name]
3-Hydroxy-4-Methyl-2(5H)-thiophenone | [CAS]
34876-35-2 | [Synonyms]
Cefalexin-EP-Imp-D
Cefalexin Impurity D
cefalexin Impurity G
Cefalexin EP Impurity D
Cephalexin EP Impurity D
Cefadroxil EP Impurity G
Cefalexin Impurity D Control
4-hydroxy-3-methyl-2H-thiophen-5-one
3-Hydroxy-4-methylthiophen-2(5H)-one
Cefalexin Impurity 4(EP Impurity D)
3-Hydroxy-4-Methyl-2(5H)-thiophenone
2(5H)-Thiophenone, 3-hydroxy-4-methyl-
Cefalexin Impurity 4（Cefalexin EP Impurity D）
Cefradine Impurity 6(Cefradine EP Impurity F)
Cephalexin Impurity D (Cefradine EP Impurity F)
Cefadroxil Impurity 2（Cefadroxil EP Impurity G）
Cefadroxil EP Impurity G/Cefradine EP Impurity F
Cefradine EP Impurity F
(Cefalexin EP Impurity D)
Cefalexin EP Impurity D
(Cefradine EP Impurity F)
Cefadroxil EP Impurity G（Cefradine EP Impurity F/Cefalexin EP Impurity D）
Cefadroxil EP Impurity G (Cephalexin EP Impurity D, Cefradine EP Impurity F)
Cefradine EP Impurity F (Cephalexin EP Impurity D, Cefadroxil EP Impurity G)
Cephalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G)
Cefadroxil EP Impurity G (Cefradine EP Impurity F, Cephalexin EP Impurity D)
Cefradine EP Impurity F
(Cefadroxil EP Impurity G, Cephalexin EP Impurity D)
Cephalexin Related Compound D (3-Hydroxy-4-methylthiophen-2(5H)-one) (1099041)
Cefradine impurity 4/Cefradine EP Impurity F/3-hydroxy-4-methylthiophen-2(5H)-one
Cephalexin EP Impurity D/Cefradine EP Impurity F/Cefadroxil EP Impurity G/3-hydroxy-4-methylthiophen-2(5H)-one | [Molecular Formula]
C5H6O2S | [MOL File]
34876-35-2.mol | [Molecular Weight]
130.16 |
| Chemical Properties | Back Directory | [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 |
| Hazard Information | Back Directory | [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. |
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