6-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile CAS 338793-43-4
| CAS No. | 338793-43-4 |
| Molecular Formula | C13H5ClF3N5 |
| Molecular Weight | 323.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H5ClF3N5, 6-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 323.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
6-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 338793-43-4), molecular formula C13H5ClF3N5 and molecular weight 323.66 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 6-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile 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 | C13H5ClF3N5 |
| Molecular Weight | 323.66 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- (E)-4-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazinyl)-4-oxobut-2-enoic acid (CAS 339110-32-6)
- 2-((1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)methylene)malononitrile (CAS 318248-55-4)
- 5-(((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)methyl)-4,5-dihydroisoxazole-3-carboxylic acid (CAS 251097-82-2)
- N-(2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)butan-1-amine (CAS 2096334-51-7)
- N-(2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-n-ethylethanamine (CAS 2096332-20-4)
- N-(3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-2-methylpropan-2-amine (CAS 2096337-36-7)
- N-(3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-N-ethylethanamine (CAS 2096341-19-2)
- N-(4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-2-methylpropan-2-amine (CAS 2096333-91-2)
Recommended Standards
- (Z)-N-(1-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)imidazolidin-2-ylidene)nitramide (CAS 1781254-33-8)
- 7-Chloro-2-ethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole (CAS 2409580-00-1)
- 3-Methyl-5-((2,3,6-trichlorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 449745-58-8)
- n-(4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-n-ethylethanamine (CAS 2096341-29-4)
- 6-Chloro-3-(chloromethyl)-2-methoxypyridine (CAS 1646288-21-2)
- 3-Amino-2-mercapto-6-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 832739-90-9)
- (1S,1'S)-1,1',2,2',3,3',4,4'-octahydro-1,1'-biisoquinoline (CAS 634180-45-3)
- Octahydro-2h-1,4-benzothiazine-1,1-dione (CAS 1334147-44-2)
- tert-Butyl N-[(3S,5R)-5-methylpyrrolidin-3-yl]carbamate (CAS 181141-39-9)
- 4-(piperidin-2-yl)pyrrolidin-2-one (CAS 1423024-96-7)
- 1-isobutyrylpiperidin-4-one oxime (CAS 1000933-35-6)
- (4-(5-Methyl-1,3,4-oxadiazol-2-yl)phenyl)methanol (CAS 179055-98-2)
- 2-(3-(3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pyrrolidin-1-yl)-1-(tert-butoxycarbonyl)azetidin-3-yl)acetic acid (CAS 1803593-16-9)
- Peptide Impurity (CAS CATO-CPTD788810)
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