3-Chloro-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 312699-22-2
| CAS No. | 312699-22-2 |
| Molecular Formula | C14H11ClF3N3O2 |
| Molecular Weight | 345.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 345.70 g/mol gives 3-Chloro-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 312699-22-2) is a high-purity analytical reference standard with the molecular formula C14H11ClF3N3O2 and a molecular weight of 345.70 g/mol.
Based on its molecular formula C14H11ClF3N3O2, 3-Chloro-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 345.70 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.
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), 3-Chloro-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid 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 | C14H11ClF3N3O2 |
| Molecular Weight | 345.70 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 1-(2-Chloro-4-nitrophenyl)-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazole (CAS 1018127-25-7)
- 1-(4-Chloro-2-nitrophenyl)-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazole (CAS 1018143-09-3)
- Ethyl 4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzoate (CAS 105626-86-6)
- 4-[4-Chloro-3-(trifluoromethyl)phenyl]-3h,4h,5h,6h,7h-imidazo[4,5-c]pyridine-6-carboxylic acid (CAS 1136837-86-9)
- 2-(3-(6-Chloro-4-(trifluoromethyl)pyridin-2-yl)phenoxy)propanoic acid (CAS 1311278-53-1)
- 2-[4-(6-Chloro-4-trifluoromethyl-pyridin-2-yl)-phenoxy]-propionic acid (CAS 1311280-17-7)
- Methyl 4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methoxy)benzoate (CAS 1565827-80-6)
- 1-chloro-5-(3,5-dimethylphenoxy)-4-nitro-2-(trifluoromethyl)benzene (CAS 646498-10-4)
Recommended Standards
- 2-Chloro-N-(4-(4-(trifluoromethoxy)phenoxy)phenyl)acetamide (CAS 215519-07-6)
- 4-(2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)propanoyl)-1H-pyrrole-2-carboxamide (CAS 339099-59-1)
- 2-((2-Chloro-5-(trifluoromethyl)phenyl)amino)-5-methoxybenzoic acid (CAS 883044-26-6)
- Acifluorfen-Methyl-2-Amino (CAS 58105-66-1)
- 4-(2-Pyridyl)butanoic Acid (CAS 102879-51-6)
- 7-Methoxy-3,4-dihydrobenzo[f][1,4]thiazepin-5(2H)-one (CAS 145903-32-8)
- Ethyl 2-(4-(aminomethyl)phenyl)acetate hydrochloride (CAS 17841-69-9)
- Ethyl 2-(4-bromo-1-oxo-6-(trifluoromethyl)phthalazin-2(1H)-yl)acetate (CAS 2750149-55-2)
- (R)-2-((tert-Butoxycarbonyl)amino)-3-(2-chloro-4-hydroxyphenyl)propanoic acid (CAS 1213887-34-3)
- Ethyl 3-fluoro-2-(methylthio)benzoate (CAS 2404734-13-8)
- N-(1H-Benzimidazol-2-ylmethyl)-2-methyl-2-propanamine (CAS 66551-10-8)
- O-α-D-Glucopyranosyl-(1→4)-O-α-D-glucopyranosyl-(1→6A)-α-cyclodextrin (CAS 100817-30-9)
- 6-Amino-2-(1-hydroxy-1-methylethyl)-3-pyridinecarbonitrile (CAS 2320463-27-0)
- Peptide Impurity 34 (CAS 21282-09-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com