5-(Methoxycarbonyl)-4-(trifluoromethyl)thiophene-2-carboxylic acid CAS 1400661-81-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1400661-81-5 |
| Molecular Formula | C8H5F3O4S |
| Molecular Weight | 254.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Methoxycarbonyl)-4-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 1400661-81-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5F3O4S. Molecular weight: 254.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5F3O4S |
| Molecular Weight | 254.18 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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- 2-(Methoxycarbonyl)-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carboxylic acid (CAS 2387600-82-8)
- 3-(Methoxycarbonyl)-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carboxylic acid (CAS 2387596-63-4)
- (E)-4-((3-(methoxycarbonyl)thiophen-2-yl)amino)-4-oxobut-2-enoic acid (CAS 590376-34-4)
- 2-(Methoxycarbonyl)-6-oxodecahydroisoquinoline-3-carboxylic acid (CAS 1236931-30-8)
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Recommended Standards
- Bis(3,5-difluorophenyl)methanone (CAS 139911-09-4)
- 1,1'-(Ethenylmethylsilylene)ferrocene (CAS 155892-90-3)
- Phospho-L-arginine trisodium salt (CAS 1189-11-3)
- 518012-62-9 Tri(ethylene glycol) monomethyl ether tosylate [2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]p-toluenesulfonate (CAS 518012-62-9)
- 2-(2-Chloro-5-(trifluoromethyl)phenyl)propan-2-amine hydrochloride (CAS 1314666-26-6)
- 2-(4-Fluorophenyl)ethan-1-amine (CAS 1583-88-6)
- Benserazide Impurity 59 (CAS CATO-C4X-142759)
- Emedastine Impurity 30 (CAS CATO-C4X-226730)
- N-phenylbenzohydrazonoyl chloride (CAS 15424-14-3)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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