4-[7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidin-2-yl]-1-methyl-5-(trifluoromethyl)-1H-pyrazole CAS 956165-30-3
| CAS No. | 956165-30-3 |
| Molecular Formula | C13H9ClF5N5 |
| Molecular Weight | 365.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-[7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidin-2-yl]-1-methyl-5-(trifluoromethyl)-1H-pyrazole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-[7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidin-2-yl]-1-methyl-5-(trifluoromethyl)-1H-pyrazole (CAS 956165-30-3), a certified reference material (molecular formula C13H9ClF5N5, MW 365.69 g/mol) for analytical method development and quality control.
Structurally, 4-[7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidin-2-yl]-1-methyl-5-(trifluoromethyl)-1H-pyrazole (C13H9ClF5N5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 365.69 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-[7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidin-2-yl]-1-methyl-5-(trifluoromethyl)-1H-pyrazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H9ClF5N5 |
| Molecular Weight | 365.69 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 |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Related Chlorodifluoromethyl Standards
- 4-Benzyl-2-(4-(chlorodifluoromethyl)-6-methylpyrimidin-2-yl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 866137-92-0)
- 5-(Chlorodifluoromethyl)-1-(mesitylsulfonyl)-2,3-dihydro-1H-1,4-diazepine (CAS 439096-53-4)
- 7-(Chlorodifluoromethyl)-2-(3,4-dichlorophenyl)-5-methylpyrazolo[1,5-a]pyrimidine (CAS 860610-15-7)
- 3-(Chlorodifluoromethyl)-6-(2,4-dichlorophenyl)-7h-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 832739-69-2)
- 7-(Chlorodifluoromethyl)-2-methyl-5-(4-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine (CAS 439097-16-2)
- 2-((3-(Chlorodifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)benzo[d]thiazole (CAS 477871-64-0)
- 7-(Chlorodifluoromethyl)-5-methyl-3-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidine (CAS 866049-88-9)
- 5-(Chlorodifluoromethyl)-1-((4-chlorophenyl)sulfonyl)-2,3-dihydro-1H-1,4-diazepine (CAS 477848-83-2)
Recommended Standards
- N-(4-Chlorophenyl)-2,2-difluoro-2-[3-(trifluoromethyl)phenoxy]acetamide (CAS 338792-02-2)
- Empagliflozin impurity 274 (CAS 2744280-73-5)
- N-(4-bromophenyl)-5-(4-chlorophenyl)thiazol-2-amine (CAS 297150-37-9)
- 1-((4-Bromophenyl)(4-chlorophenyl)methyl)piperazine (CAS 512164-58-8)
- (3-(Cyclobutylmethoxy)phenyl)methanamine (CAS 1061650-69-8)
- Azepan-1-yl(6-hydroxy-5-nitropyridin-3-yl)methanone (CAS 1105194-06-6)
- ethyl 6,7,8-trifluoro-1-(methylamino)-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 100276-66-2)
- 2-Chloro-4,5-diphenylpyridine (CAS 110567-95-8)
- 2-Amino-4-bromonicotinic acid (CAS 1393544-50-7)
- N-(o-fluorophenyl)anthranilic Acid (CAS 54-58-0)
- (2S,3S,4S,5R,6R)-6-(((S,Z)-3-(2-((1R,3aS,7aR,E)-1-((2R,5R,E)-5,6-Dimethylhept-3-en-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid (CAS 57803-96-0)
- 1,3-Diethyl 2-(1,1-dioxo-2,3-dihydro-1λ6-thiophen-3-yl)propanedioate (CAS 17235-98-2)
- 5-oxo-1,5-dihydroquinoline-2-carboxylic acid (CAS 149312-98-1)
- Protein Kinase C (alpha) Peptide (CAS 159939-84-1)
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