1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid CAS 1707394-75-9
| CAS No. | 1707394-75-9 |
| Molecular Formula | C12H12N4O2 |
| Molecular Weight | 244.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid (C12H12N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 1707394-75-9), molecular formula C12H12N4O2 and molecular weight 244.25 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-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 | C12H12N4O2 |
| Molecular Weight | 244.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
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Recommended Standards
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- 2-Thioxo-1,2-dihydropteridine-7-sulfonic acid (CAS 162372-73-8)
- 1-(2-Cyclopropyl-6-methylpyrimidin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1708013-75-5)
- 2-(4-Bromophenyl)morpholin-3-one (CAS 1260672-40-9)
- 1,1-Difluoropropan-2-yl 4-methylbenzenesulfonate (CAS 2757921-57-4)
- 78416-90-7 Pd-Ib (CAS 78416-90-7)
- 4-(5-Nitrothiophene-2-carbonyl)piperazin-2-one (CAS 1030815-32-7)
- 2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-oxooctahydrocyclopenta[c]pyrrole-1-carboxylic acid (CAS 1403766-58-4)
- 3-(1-Methyl-1h-indazol-3-yl)propanoic acid (CAS 1453484-27-9)
- (4-Chlorophenyl)((1R,2R)-2-(trifluoromethyl)cyclopropyl)methanone (CAS 1802818-85-4)
- 1,3-Bis(3-chlorophenyl)thiourea (CAS 1219-84-7)
- cis-3-Fluoro-tetrahydro-2H-pyran-4-yl methanesulfonate racemate (CAS 1864003-53-1)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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