4-((4-Methoxyphenyl)ethynyl)benzoic acid CAS 204919-75-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 204919-75-5 |
| Molecular Formula | C16H12O3 |
| Molecular Weight | 252.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((4-Methoxyphenyl)ethynyl)benzoic acid (CAS 204919-75-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H12O3. Molecular weight: 252.26 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H12O3 |
| Molecular Weight | 252.26 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
Related Methoxyphenyl Standards
- 2-(3-Methoxyphenyl)-4H-chromen-4-one (CAS 53906-83-5)
- 2-(4-Methoxyphenyl)-5-methyl-1,3-dioxane-5-carboxylic acid (CAS 219529-78-9)
- 2-(2-Methoxyphenyl)-4(3H)-quinazolinone (CAS 1028-96-2)
- 4-(3-(3-Methoxyphenyl)-1H-1,2,4-triazol-5-yl)pyridine (CAS 1049032-20-3)
- Ethyl 2-(3-(4-methoxyphenyl)ureido)acetate (CAS 108482-18-4)
- 2-(4-Methoxyphenyl)quinazolin-4(3H)-one (CAS 1152-07-4)
- 2-(3-methoxyphenyl)-3-oxo-3-(pyridin-3-yl)propanenitrile (CAS 1291678-94-8)
- (3Z)-3-[(4-Methoxyphenyl)imino]-2,3-dihydro-1H-indol-2-one (CAS 1369382-35-3)
Recommended Standards
- 4-(((Pentyloxy)carbonyl)oxy)benzoic acid (CAS 377085-56-8)
- 4-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl) benzoic acid (CAS 889954-60-3)
- 3-Oxo-1-phenyl-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 339116-12-0)
- N-(4-(2,5-dimethyl-1H-pyrrol-1-yl)phenyl)-2-fluorobenzamide (CAS 866156-47-0)
- (9H-fluoren-9-yl)methyl (4-hydroxybutyl)carbamate (CAS 209115-32-2)
- Disuccinimidyl L-Tartrate (CAS 62069-75-4)
- 2-((1-(Bromomethyl)cyclopropyl)methyl)tetrahydrofuran (CAS 1487126-76-0)
- 3-Ethyl-5-nitrobenzo[d]isoxazole (CAS 66048-16-6)
- 2-Chloro-5-(5,5-dimethyl-1,3-dioxan-2-yl)valerophenone (CAS 898785-92-7)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
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