3-methoxy-4-methylthiophene-2-carboxylic acid CAS 83261-25-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83261-25-0 |
| Molecular Formula | C7H12O3S |
| Molecular Weight | 176.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-methoxy-4-methylthiophene-2-carboxylic acid (CAS 83261-25-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H12O3S. Molecular weight: 176.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H12O3S |
| Molecular Weight | 176.23 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) | 2.0 |
| CAS Registry Year (est.) | 1980 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Acetylthianaphthene, 98% (CAS 26168-40-1)
- 3-Phenoxythiophene (CAS 63285-84-7)
- 3-(Thiophen-3-yl)phenol (CAS 29886-68-8)
- (2R)-4,4-Difluoropyrrolidine-2-carboxylic acid (CAS 1401332-74-8)
- 4-{N-[2-(cyclohexylimino)-4-methyl-2,3-dihydro-1,3-thiazol-3-yl]carboximidoyl}benzene-1,2,3-triol (CAS 509102-00-5)
- 4-Bromo-6-ethylquinoline-3-carboxylic acid (CAS 1378261-04-1)
- Colchicine EP Impurity D (CAS 477-29-2)
- Thioproperazine-d3 Difumarate (CAS 1331638-03-9)
- Methyl 1-methyl-4-oxopiperidine-2-carboxylate (CAS 86251-51-6)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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