4-boronothiophene-2-carboxylic acid CAS 913835-91-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 913835-91-3 |
| Molecular Formula | C5H9BO4S |
| Molecular Weight | 176.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-boronothiophene-2-carboxylic acid (CAS 913835-91-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H9BO4S. Molecular weight: 176.00 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H9BO4S |
| Molecular Weight | 176.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related boronothiophene Standards
Recommended Standards
- 3-Chloroisonicotinoyl chloride (CAS 895128-46-8)
- 5,6-Dichloropicolinaldehyde (CAS 408526-50-1)
- 3,6-Dichloropyridine-2-carboxaldehyde (CAS 343781-53-3)
- 4-Cyclopropoxy-2-(methylamino)benzamide (CAS 1243318-84-4)
- N′-(2,5-Difluorophenyl)-N,N-dimethylsulfamide (CAS 866154-25-8)
- 4-Amino-2-(4-methoxybenzyl)isoindoline-1,3-dione (CAS 1016678-67-3)
- Ethyl 7-(tert-butyl)-3-(4-fluorobenzoyl)indolizine-1-carboxylate (CAS 853329-58-5)
- 2641AF 3,6-Dimethyl-isoxazolo[5,4-b]pyridine-4-carboxylic acid 900136-98-3 C9H8N2O3 (CAS 900136-98-3)
- 2-((4-Hydroxybut-2-yn-1-yl)thio)-3-methylquinazolin-4(3h)-one (CAS 500113-83-7)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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