3-(difluoromethoxy)-5-methylthiophene-2-carboxylic acid CAS 1306605-42-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1306605-42-4 |
| Molecular Formula | C7H6F2O3S |
| Molecular Weight | 208.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(difluoromethoxy)-5-methylthiophene-2-carboxylic acid (CAS 1306605-42-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H6F2O3S. Molecular weight: 208.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H6F2O3S |
| Molecular Weight | 208.18 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related difluoromethoxy Standards
- Methyl 4-(difluoromethoxy)thiophene-2-carboxylate (CAS 1708401-40-4)
- 2-(Difluoromethoxy)-6-methylnaphthalene (CAS 1261729-53-6)
- 4-(Difluoromethoxy)-3-fluoro-2-methoxyphenol (CAS 2385503-22-8)
- 4-(Difluoromethoxy)-2,6-difluorobenzaldehyde (CAS 1784748-96-4)
- 4-(Difluoromethoxy)-2-methylthiazole-5-carboxylic acid (CAS 851755-45-8)
- 3-(Difluoromethoxy)naphthalen-1-amine (CAS 1261657-91-3)
- 1-(Difluoromethoxy)naphthalen-2-amine (CAS 1261661-36-2)
- 4-(Difluoromethoxy)naphthalen-1-amine (CAS 1261676-83-8)
Recommended Standards
- 2-(2,2,2-Trifluoroethoxy)cyclohex-1-ene-1-carbaldehyde (CAS 1306604-39-6)
- 3-(1-Ethyl-1h-pyrazol-4-yl)-1,1,1-trifluoropropan-2-ol (CAS 1338969-82-6)
- alpha-(Trifluoromethyl)-1,3,5-trimethyl-1H-pyrazole-4-methanol (CAS 1250182-67-2)
- 3-(Adamantan-1-yloxy)pyridine hydrobromide (CAS 1291486-18-4)
- 4-Nitropyridine hydrochloride (CAS 1448164-36-0)
- Cloxacillin Impurity 11 (CAS CATO-C4X-159711)
- N,N-dimethyl-2-oxoindoline-6-carboxamide (CAS 1603381-57-2)
- 1-(2,5-Dimethoxyphenyl)butan-1-ol (CAS 353284-18-1)
- 1-(6-Methylpyridin-2-yl)-1,4-diazepane (CAS 880361-95-5)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
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