4-Cyano-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl 4-fluorobenzenecarboxylate CAS 956950-68-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956950-68-8 |
| Molecular Formula | C13H7F4N3O2 |
| Molecular Weight | 313.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Cyano-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl 4-fluorobenzenecarboxylate (CAS 956950-68-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H7F4N3O2. Molecular weight: 313.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H7F4N3O2 |
| Molecular Weight | 313.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-[(5-bromo-3-pyridyl)sulfonyl]morpholine (CAS 889676-35-1)
- 5-Bromobenzo[b]naphtho[2,1-d]thiophene (CAS 76113-28-5)
- 2-Bromo-N-(6-methylbenzo[d]thiazol-2-yl)butanamide (CAS 944888-02-2)
- 4-Amino-2,6-dimethylnicotinaldehyde (CAS 948350-98-9)
- 4-Methoxy-7-nitro-1H-indole (CAS 175913-27-6)
- 5-Methyl-4-nitro-1H-pyrazole-3-carboxylic acid (CAS 5334-38-3)
- Methyl 1-(3-aminophenyl)cyclopropane-1-carboxylate (CAS 1708251-43-7)
- (S)-2-Isopropyl-4,5-dihydrooxazole-4-carboxylic acid (CAS 784132-37-2)
- 4-(3-Methoxyphenyl)-6-(trifluoromethyl)pyrimidin-2(1H)-one (CAS 1225573-88-5)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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