3-(5-Bromo-6-methoxynaphthalen-2-yl)-1-(4-fluorophenyl)-4-methyl-1H-pyrazole CAS 318239-44-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318239-44-0 |
| Molecular Formula | C21H16BrFN2O |
| Molecular Weight | 411.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(5-Bromo-6-methoxynaphthalen-2-yl)-1-(4-fluorophenyl)-4-methyl-1H-pyrazole (CAS 318239-44-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H16BrFN2O. Molecular weight: 411.27 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H16BrFN2O |
| Molecular Weight | 411.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Trelagliptin Impurity 47 (CAS CATO-C4X-104647)
- 2-hydrazinyl-1,3,4-thiadiazole hydrochloride (CAS 1864016-19-2)
- 5-methoxy-4-nitro-1H-indole-3-carbaldehyde (CAS 135531-94-1)
- 3-(3-methyl-1,2,4-oxadiazol-5-yl)pyrrolidin-3-ol hydrochloride (CAS 1803606-38-3)
- 3-Amino-2-(trifluoromethyl)pyridine-4-methanol (CAS 1227582-15-1)
- 2-bromo-4-propyl-1,3-oxazole (CAS 1600752-19-9)
- (E)-2-(3-(2-nitrophenyl)allylidene)-1H-indene-1,3(2H)-dione (CAS 554436-81-6)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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