3-Carboxy-4-methoxyphenylboronic acid pinacol ester CAS 2121512-71-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2121512-71-6 |
| Molecular Formula | C14H19BO5 |
| Molecular Weight | 278.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Carboxy-4-methoxyphenylboronic acid pinacol ester (CAS 2121512-71-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H19BO5. Molecular weight: 278.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H19BO5 |
| Molecular Weight | 278.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Carboxy Standards
- 5-(4-Carboxy-3-fluorophenyl)-2-fluorobenzoic acid (CAS 1261956-34-6)
- 4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic acid (CAS 1261978-52-2)
- 3-(4-Carboxy-3-fluorophenyl)-4-fluorobenzoic acid (CAS 1262001-65-9)
- 2-(3-Carboxy-4-chlorophenyl)nicotinic acid (CAS 1261947-93-6)
- Methyl 3-(2-carboxy-vinyl)-5-methoxy-1H-indole-2-carboxylate (CAS 885273-71-2)
- 3-(3-Carboxy-2,2-dimethylpropyl)-7-methylquinoxaline 1-oxide (CAS 77147-78-5)
- Carboxy Primaquine (CAS 77229-68-6)
- 4-(4-Carboxy-3-fluorophenyl)-3-methylbenzoic acid (CAS 1261964-10-6)
Recommended Standards
- 2-Methyl-6-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 956821-91-3)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(1H-imidazol-1-yl)furan-2-yl)boronate (CAS 2223050-07-3)
- 2-Methoxy-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 936728-23-3)
- Germanium ICP Standard (CAS 7440-56-4)
- 1283077-06-4 (3Z)-6-Chloro-3-[(dimethylamino)methylene]-1,3-dihydro-2H-indol-2-one MFCD13176395 (CAS 1283077-06-4)
- Oxazolo[4,5-c]quinolin-2(3H)-one (CAS 59851-66-0)
- 5-Methoxy-4-azaindole-2-methanol (CAS 17288-45-8)
- 3-Amino-4,4,4-trifluoro-2-butenenitrile (CAS 33561-24-9)
- 2-(N-ethylprop-2-enamido)acetic acid (CAS 1184500-88-6)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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