4-Chloro-3,5-bis(2-methoxyphenyl)-1h-pyrazole CAS 1159919-07-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1159919-07-9 |
| Molecular Formula | C17H15ClN2O2 |
| Molecular Weight | 314.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3,5-bis(2-methoxyphenyl)-1h-pyrazole (CAS 1159919-07-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H15ClN2O2. Molecular weight: 314.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H15ClN2O2 |
| Molecular Weight | 314.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-3,5-bis(4-methoxyphenyl)-1h-pyrazole (CAS 1159988-48-3)
- 4-Chloro-3,5-bis(3-methoxyphenyl)-1h-pyrazole (CAS 1159988-50-7)
- 4-Chloro-N-((5-(3-methoxyphenyl)-1H-1,2,4-triazol-3-yl)methyl)aniline (CAS 1171939-61-9)
- 1-(3-Chloro-2-methylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264039-72-6)
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