3-(difluoromethyl)-4-nitro-1H-pyrazole CAS 1789048-54-9
| CAS No. | 1789048-54-9 |
| Molecular Formula | C4H7F2N3O2 |
| Molecular Weight | 167.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(difluoromethyl)-4-nitro-1H-pyrazole (CAS 1789048-54-9), molecular formula C4H7F2N3O2 and molecular weight 167.11 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 3-(difluoromethyl)-4-nitro-1H-pyrazole is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 167.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(difluoromethyl)-4-nitro-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H7F2N3O2 |
| Molecular Weight | 167.11 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related difluoromethyl Standards
- 2-(4-(Difluoromethyl)phenyl)acetonitrile (CAS 1000529-64-5)
- 2-(3-(Difluoromethyl)phenyl)acetonitrile (CAS 1000529-78-1)
- 2-(2-(Difluoromethyl)phenyl)acetonitrile (CAS 1000556-48-8)
- 4-(Difluoromethyl)-2-methylbenzonitrile (CAS 1261571-51-0)
- 2-(Difluoromethyl)-6-methylbenzonitrile (CAS 1261581-89-8)
- 5-(Difluoromethyl)-2-methylbenzonitrile (CAS 1261618-13-6)
- 4-(Difluoromethyl)-3-methylbenzonitrile (CAS 1261731-65-0)
- 2-(difluoromethyl)-4-methylbenzonitrile (CAS 1261823-25-9)
Recommended Standards
- 2,6-Difluoro-3-formylbenzonitrile, 97% (CAS 1541976-46-8)
- 4,5-Difluoro-2-formylbenzonitrile (CAS 1807177-35-0)
- 2,4-Difluoro-3-formylbenzonitrile (CAS 149489-14-5)
- 2,3-Difluoro-5-formylbenzonitrile (CAS 1807274-74-3)
- 4-(2-(4-Benzylpiperazin-1-yl)ethoxy)benzohydrazide (CAS 937604-10-9)
- N-(3-Chlorophenyl)-2-(2,6-dimethyl-3,5-dioxothiomorpholino)acetamide (CAS 868215-46-7)
- (3-Phenoxybenzyl)hydrazine (CAS 85293-11-4)
- N-Ethyl-1-(furan-2-ylmethyl)-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide (CAS 1090809-08-7)
- Methyl 4-(isoxazol-4-yl)butanoate (CAS 141679-50-7)
- 4-Allyl-3-bromo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine (CAS 2379242-01-8)
- 1-Isopropyl-1H-indazole-4-carbaldehyde (CAS 1782810-92-7)
- 4,6-Di(1H-pyrrol-1-yl)-2-((o-tolyloxy)methyl)-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile (CAS 672951-92-7)
- Methyl 6-(cyanomethyl)nicotinate (CAS 1000529-39-4)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com