4-chloro-1-methyl-5-nitro-1H-pyrazole CAS 84547-95-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 84547-95-5 |
| Molecular Formula | C4H4ClN3O2 |
| Molecular Weight | 161.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-chloro-1-methyl-5-nitro-1H-pyrazole (CAS 84547-95-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4ClN3O2. Molecular weight: 161.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4ClN3O2 |
| Molecular Weight | 161.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 1428577-87-0 5-Chloro-1-(~2~H_3_)methyl-4-nitro-1H-pyrazole DTXSID40857353 (CAS 1428577-87-0)
- 2-Chloro-1-methyl-4-nitro-1H-imidazole (CAS 63634-21-9)
- 2-Chloro-1-methyl-5-nitro-1H-imidazole (CAS 86072-07-3)
- 2-chloro-N-(1H-1,2,3,4-tetrazol-5-yl)acetamide (CAS 6158-78-7)
- 3-Chloro-1-methyl-4-nitro-1H-pyrazole (CAS 299930-70-4)
- 4-Chloro-1-methyl-2-nitro-1H-imidazole (CAS 63634-20-8)
- 4-Chloro-2-methyl-5-nitro-1H-imidazole (CAS 63662-67-9)
- 4-Chloro-3-methyl-5-nitro-1H-pyrazole (CAS 400753-12-0)
Recommended Standards
- 3-(Chloromethyl)-1,2,4-oxadiazole-5-carboxamide (CAS 25977-21-3)
- 4-Chloro-5-methyl-3-nitro-1H-pyrazole (CAS 512810-26-3)
- 5-(Chloromethyl)-1,2,4-oxadiazole-3-carboxamide (CAS 34879-29-3)
- Isopentylhydrazine Dihydrochloride (CAS 1355355-69-9)
- 3-Formylphenyl cyclopropanecarboxylate (CAS 590357-04-3)
- 4-Methoxy-3-[(4-methylphenyl)sulfamoyl]benzoic acid (CAS 431883-78-2)
- 3-amino-1-[4-(trifluoromethyl)phenyl]pyrrolidin-2-one hydrochloride (CAS 2044712-54-9)
- Methyl 5-picolinoyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-4-carboxylate (CAS 1421449-64-0)
- O,O,S-Trimethyldithiophosphate (CAS 2953-29-9)
- Bradykinin-Like Neuropeptide (Aplysia californica) (H-1654.0001) (CAS 165174-60-7)
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