5-(phenylethynyl)-3-furoic acid CAS 1111580-55-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1111580-55-2 |
| Molecular Formula | C13H8O3 |
| Molecular Weight | 212.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(phenylethynyl)-3-furoic acid (CAS 1111580-55-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H8O3. Molecular weight: 212.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H8O3 |
| Molecular Weight | 212.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related phenylethynyl Standards
- 5-(Phenylethynyl)furan-2-carboxylic acid (CAS 130423-83-5)
- 4-(2-Phenylethynyl)-2-thiophenecarboxaldehyde (CAS 175203-58-4)
- (5-(Phenylethynyl)thiophen-2-yl)methanol (CAS 92070-91-2)
- (3-(Phenylethynyl)phenyl)methanol (CAS 123926-88-5)
- (2-(Phenylethynyl)phenyl)methanol (CAS 13141-40-7)
- 3-Methyl-5-(phenylethynyl)pyridin-2-amine (CAS 1823291-91-3)
- (4-(Phenylethynyl)phenyl)methanol (CAS 54737-75-6)
- 4-Methyl-2-(phenylethynyl)aniline (CAS 13141-44-1)
Recommended Standards
- 9-Methylnaphtho[1,2-c]furan-1,3-dione (CAS 111013-07-1)
- Isopropyl 3,4,5-trihydroxybenzoate (CAS 1138-60-9)
- Ethyl 2,4-dimethoxypyrimidine-5-carboxylate (CAS 110821-08-4)
- 3,4-Dichloro-1-[(2-fluorophenyl)methyl]-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 112749-47-0)
- (S)-(+)-Cyclohexylhydroxyacetic acid (S)-(+)-Hexahydromandelic acid (S)-|A-Hydroxycyclohexaneacetic acid 61475-31-8 (CAS 61475-31-8)
- (1-(4-Chlorophenyl)-3-(3-oxo-3,4-dihydroquinoxalin-2-yl)-1H-pyrazol-5-yl)methyl acetate (CAS 66940-28-1)
- 5-Bromo-1-ethyl-4-iodo-1H-pyrazole (CAS 2739830-15-8)
- 2-[(4-{[Benzyl(methyl)amino]sulfonyl}anilino)carbonyl]cyclohexanecarboxylic acid (CAS 780791-12-0)
- N-(2-(3-phenoxyphenoxy)ethyl)acetamide (CAS 933900-24-4)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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