2-Carboxythiophene-5-boronic acid CAS 465515-31-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 465515-31-5 |
| Molecular Formula | C5H5BO4S |
| Molecular Weight | 171.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Carboxythiophene-5-boronic acid (CAS 465515-31-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5BO4S. Molecular weight: 171.97 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5BO4S |
| Molecular Weight | 171.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Carboxythiophene Standards
Recommended Standards
- 2-Bromo-1H-imidazole-5-carbonitrile (CAS 1067894-55-6)
- 2-Boronothiophene-3-carboxylic acid (CAS 519054-53-6)
- 4-Bromo-1H-imidazole-2-carbonitrile (CAS 120118-03-8)
- 2-Chloro-N-(pyridin-2-ylmethyl)acetamide (CAS 46120-62-1)
- 5-Chloro-N-methyl-2-benzothiazolamine (CAS 34551-17-2)
- 2-Butenoic acid, 3-methyl-, 2-phenylethyl ester (CAS 42078-65-9)
- [2-(1H-Indol-3-yl)-ethyl]-pyridin-3-ylmethyl-amine (CAS 418782-49-7)
- 7-Nitro-1,2,3,4-tetrahydronaphthalen-2-amine (CAS 101167-13-9)
- 3-(2-Chloro-phenyl)-isoxazole-5-carbaldehyde (CAS 377051-52-0)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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