6-(2-Chloro-4-fluorobenzyl)-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS 656817-42-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 656817-42-4 |
| Molecular Formula | C16H13ClFN3O2 |
| Molecular Weight | 333.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-(2-Chloro-4-fluorobenzyl)-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 656817-42-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H13ClFN3O2. Molecular weight: 333.74 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H13ClFN3O2 |
| Molecular Weight | 333.74 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Methyl 5-chloro-1-(2-fluorophenyl)-3,6-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011399-09-9)
- Methyl 5-chloro-1-(4-fluorophenyl)-3,6-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018142-50-1)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-cyclopropanecarbonylpiperazine (CAS 1024477-94-8)
- (2-Chloro-benzyl)-(3-pentafluoroethylsulfanyl-propyl)-amine (CAS 1208079-00-8)
- 4-(4-Chloro-6-methoxy-3-nitroquinolin-7-yl)-3,5-dimethylisoxazole (CAS 1300031-65-5)
- 4-Chloro-N-(6-nitrobenzo[d]thiazol-2-yl)benzamide (CAS 321943-75-3)
- 3-Acetyl-6-chloro-4-(3,4-difluorophenyl)quinolin-2(1H)-one (CAS 1283108-05-3)
- Ethyl 2-(4-chloro-3-nitrobenzoyl)benzoate (CAS 140861-42-3)
Recommended Standards
- (2E)-N-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3-(pyrrolidin-1-yl)but-2-enamide (CAS 338397-34-5)
- Gefitinib Impurity 19 (CAS 153437-78-6)
- (2E)-N-(3-Chloro-4-fluorophenyl)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)prop-2-enamide (CAS 882081-97-2)
- methyl 2,3,4,9-tetrahydro-1H-carbazole-3-carboxylate (CAS 26088-67-5)
- (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(pyridin-2-yl)methanone (CAS 339011-89-1)
- 2,4,6-Triphenyl-1-(p-tolyl)pyridin-1-ium tetrafluoroborate (CAS 107108-26-9)
- 2,2,2-trifluoroethyl 3-isopropylphenylcarbamate (CAS 1087788-76-8)
- 5-(4-Methyl-2-nitrophenyl)furan-2-carbothioamide (CAS 1354777-90-4)
- Methyl 2-cyclooctylideneacetate (CAS 99035-18-4)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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