3-Hydroxy-4-methyl-2(5H)-thiophenone
头孢氨苄杂质D
Also known as: 3-Hydroxy-4-methylthiophen-2(5H)-one, 4-Hydroxy-3-methyl-2H-thiophen-5-one, Cefalexin EP Impurity D, Cefadroxil EP Impurity G, Cefradine EP Impurity F, Cefalexin Impurity D, Cefalexin Impurity G, Cephalexin Impurity D, UNII-82S555S2NY
- CAS No.
- 34876-35-2
- Jingsj CID
- J-1398119-2
- Molecular Formula
- C5H6O2S
- Chinese Name
- 头孢氨苄杂质D
- Molecular Weight
- 130.165 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 305.9±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 138.8±27.9 °C |
Frequently Asked Questions
What is the CAS number of 3-Hydroxy-4-methyl-2(5H)-thiophenone?
34876-35-2
What are the molecular formula and molecular weight of 3-Hydroxy-4-methyl-2(5H)-thiophenone?
C5H6O2S, molecular weight 130.165 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026