5-[4-(difluoromethoxy)phenyl]thiophene-2-carboxylic acid CAS 1096977-35-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1096977-35-3 |
| Molecular Formula | C12H8F2O3S |
| Molecular Weight | 270.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[4-(difluoromethoxy)phenyl]thiophene-2-carboxylic acid (CAS 1096977-35-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H8F2O3S. Molecular weight: 270.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H8F2O3S |
| Molecular Weight | 270.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (R)-2-Amino-4-(2-amino-3-hydroxyphenyl)-4-oxobutanoic acid (CAS 4043-91-8)
- N-(3,4-Dichlorophenyl)-3-(trifluoromethyl)benzamide (CAS 24094-75-5)
- Ethyl 6-Fluoroquinoline-3-carboxylate (CAS 71083-14-2)
- VX 745 (CAS 209410-46-8)
- (S)-1,1,1-trifluoro-2-hexylamine (CAS 1344635-30-8)
- (r)-2-Amino-2-(5-fluoro-2-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1213624-27-1)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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