4-Ethyl-5-phenylthiophene-2-carboxylic acid CAS 937599-47-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 937599-47-8 |
| Molecular Formula | C13H12O2S |
| Molecular Weight | 232.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Ethyl-5-phenylthiophene-2-carboxylic acid (CAS 937599-47-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H12O2S. Molecular weight: 232.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H12O2S |
| Molecular Weight | 232.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Amino-N-(thiophen-2-ylmethyl)benzamide (CAS 436095-49-7)
- 4-Methyl-5-(4-methylphenyl)thiophene-2-carboxylic acid (CAS 832737-68-5)
- 4-Amino-6,7,8,9-tetrahydropyrimido[4,5-b]quinoline-2(1H)-thione (CAS 577984-25-9)
- (R)-3-(4-(Aminomethyl)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 215597-48-1)
- 2-(3-Aminopyrrolidin-1-yl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1713461-61-0)
- (<I>R</I>)-1-[(<I>S</I><SUB>P</SUB>)-2-(diphenylphosphine)ferrocenyl]ethylbis( 3,5-xylyl)phosphine (CAS 184095-69-0)
- (5-Fluoro-1h-1,3-benzodiazol-2-yl)methanamine dihydrochloride (CAS 1216862-84-8)
- Methyl 3-hydroxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 2026647-81-2)
- 334869-71-5
Neodymium(Iii) Acetate Hydrate (Reo)
RTR-014010 (CAS 334869-71-5)
- Cycloaspeptide A (CAS 109171-13-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com