7-(4-Fluorophenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 828276-01-3
| CAS No. | 828276-01-3 |
| Molecular Formula | C13H8FN3O2 |
| Molecular Weight | 257.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-(4-Fluorophenyl)pyrazolo[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.
7-(4-Fluorophenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 828276-01-3), molecular formula C13H8FN3O2 and molecular weight 257.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 7-(4-Fluorophenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 257.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C13H8FN3O2 |
| Molecular Weight | 257.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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 | 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.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 2-(3-Fluorophenyl)benzo[d]oxazole-5-carboxylic acid (CAS 1018578-59-0)
- 3-(2-Fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid (CAS 1206970-37-7)
- 3-(4-(2-Fluorophenyl)pyridin-2-yl)-1,2,4-oxadiazol-5(4H)-one (CAS 1219454-11-1)
- 1-(4-Fluorophenyl)-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid (CAS 1220165-92-3)
- 3-(3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)pyridin-2-ol (CAS 1239843-28-7)
- 5-(3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)pyridin-2-ol (CAS 1239843-29-8)
- 3-(2-Fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1272120-70-3)
- 3-(4-Fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1334487-94-3)
Recommended Standards
- 6-Fluoro-2-(furan-2-yl)quinoline-4-carboxylic acid (CAS 351357-36-3)
- 7-(4-Fluorophenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 870540-31-1)
- 6-(Pyrrolidin-1-yl)-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 338748-49-5)
- 7-Fluoro-2-(furan-2-yl)quinoline-4-carboxylic acid (CAS 926209-14-5)
- 7-Ethyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 14052-83-6)
- 6-Iodouracil (CAS 4269-94-7)
- 6-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7H-purine-8(9H)-thione (CAS 17318-18-2)
- Ethyl 3-(3-chlorophenyl)-3-cyano-2-oxopropanoate (CAS 38747-02-3)
- 1270019-83-4 (2R)-2-(3-Chloro-5-fluoroanilino)butanoic acid DTXSID30736365 (CAS 1270019-83-4)
- 3-(4-Bromothiophen-2-yl)-5-(chloromethyl)-1,2,4-oxadiazole (CAS 1193388-21-4)
- (S)-4-benzyl-2-(5-bromopyridin-2-yl)-4,5-dihydrooxazole (CAS 2757083-28-4)
- 2H-Furo[2,3,4-ij]isoquinoline (CAS 78393-53-0)
- 3,18-Diethyl-1,4,5,15,16,19,22,24-octahydro-2,7,13,17-tetramethyl-1,19-dioxo-21H-biline-8,12-dipropanoic acid (CAS 1856-98-0)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
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