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

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

3-Hydroxy-4-Methyl-2(5H)-thiophenone Structure
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;Cephalexin EP Impurity D;Cefadroxil EP Impurity G;Cefradine Impurity F (EP);Cefalexin Impurity D Control;3-Hydroxy-4-Methyl-2(5H)-thiophenone
CBNumber:
CB32694303
Molecular Formula:
C5H6O2S
Molecular Weight:
130.16
MOL File:
34876-35-2.mol
MSDS File:
SDS
Modify Date:
2023/4/23 13:52:06
Request For Quotation

3-Hydroxy-4-Methyl-2(5H)-thiophenone 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
pka 8.96±0.20(Predicted)
color Light Yellow

SAFETY

Risk and Safety Statements

HS Code  2934990002

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

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-methyl-8-oxo-7-[(trimethylsilyl)amino]-, trimethylsilyl ester, (6R,7R)- CEFADROXIL 3-Methylthiophene

Preparation Products

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

Global( 64)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
SynThink RESEARCH CHEMICALS +91-8177860948 +91-8177860948 Mumbai, India 494 58 Inquiry
CHEMXTREE STANDARDS +919872732255 Punjab, India 96 58 Inquiry
Pharma Affiliates 172-5066494 Haryana, India 6761 58 Inquiry
CLEARSYNTH LABS LTD. +91-22-45045900 Hyderabad, India 6351 58 Inquiry
SynZeal Research Pvt Ltd +1 226-802-2078 Gujarat, India 6522 58 Inquiry
Pharmaffiliates Analytics and Synthetics P. Ltd +91-172-5066494 Haryana, India 6773 58 Inquiry
Hubei Ipure Biology Co., Ltd +8613367258412 China 10326 58 Inquiry
sgtlifesciences pvt ltd +8617013299288 China 12382 58 Inquiry
Shenzhen Excellent Biomedical Technology Co.,Ltd. +86-0755-26050679 +86-15915472436 China 1031 58 Inquiry
China National Standard Pharmaceutical Corporation Limited +8615391658522 China 11927 58 Inquiry
Supplier Advantage
SynThink RESEARCH CHEMICALS 58
CHEMXTREE STANDARDS 58
Pharma Affiliates 58
CLEARSYNTH LABS LTD. 58
SynZeal Research Pvt Ltd 58
Pharmaffiliates Analytics and Synthetics P. Ltd 58
Hubei Ipure Biology Co., Ltd 58
sgtlifesciences pvt ltd 58
Shenzhen Excellent Biomedical Technology Co.,Ltd. 58
China National Standard Pharmaceutical Corporation Limited 58

34876-35-2(3-Hydroxy-4-Methyl-2(5H)-thiophenone)Related 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
chevron_left

1of4

chevron_right
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 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 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/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) 34876-35-2 Metabolites & Impurities, Sulfur & Selenium Compounds