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

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

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3-Hydroxy-4-Methyl-2(5H)-thiophenone Suppliers list
Company Name: Standardpharm Co. Ltd.
Tel: 86-714-3992388
Email: overseasales1@yongstandards.com
Products Intro: Product Name:Cefadroxil EP Impurity G
CAS:34876-35-2
Purity:0.99 Package:10mg;25mg;50mg;100mg
Company Name: Hubei Ipure Biology Co., Ltd
Tel: +8613367258412
Email: ada@ipurechemical.com
Products Intro: Product Name:Cephalexin EP Impurity D (Cefradine EP Impurity F, Cefadroxil EP Impurity G)
CAS:34876-35-2
Purity:0.99 Package:5KG;1KG
Company Name: CR Corporation Lomited
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Email: fred.wen@crcorporation.cn
Products Intro: Product Name:3-Hydroxy-4-Methyl-2(5H)-thiophenone
CAS:34876-35-2
Company Name: sgtlifesciences pvt ltd
Tel: +8617013299288
Email: dj@sgtlifesciences.com
Products Intro: Product Name:Cefalexin EP Impurity D
CAS:34876-35-2
Company Name: Shenzhen Excellent Biomedical Technology Co.,Ltd.
Tel: +86-0755-26050679 +86-15915472436
Email: sale@ex-biotech.cn
Products Intro: Product Name:Cefradine EP Impurity F;Cephalexin EP Impurity D;Cefadroxil EP Impurity G
CAS:34876-35-2
Purity:95% Package:10mg;25mg;50mg;100mg

3-Hydroxy-4-Methyl-2(5H)-thiophenone manufacturers
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 (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
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 (Cefalexin EP Impurity D) is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
Uses3-Hydroxy-4-methyl-2(5H)-thiophenone is an acid degradation product of Cephalexin (C256800) and Cefaclor (C235250), antibiotics.
Tag:3-Hydroxy-4-Methyl-2(5H)-thiophenone(34876-35-2) Related Product Information
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