1-Cyclopropyl-4-methyl-1H-pyrazole-3-carboxylic acid CAS 2384170-96-9
| CAS No. | 2384170-96-9 |
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Cyclopropyl-4-methyl-1H-pyrazole-3-carboxylic acid.
CATO supplies 1-Cyclopropyl-4-methyl-1H-pyrazole-3-carboxylic acid (CAS 2384170-96-9), a certified reference material (molecular formula C8H10N2O2, MW 166.18 g/mol) for analytical method development and quality control.
Structurally, 1-Cyclopropyl-4-methyl-1H-pyrazole-3-carboxylic acid (C8H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 166.18 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 1-Cyclopropyl-4-methyl-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 | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 2 |
Related Cyclopropyl Standards
- Methyl 3-cyclopropyl-1h-pyrazole-5-carboxylate (CAS 1036733-11-5)
- 5-Cyclopropyl-1-methyl-1h-pyrazole-4-carboxylic acid (CAS 1092394-30-3)
- 5-Cyclopropyl-N-methylisoxazole-4-carboxamide (CAS 124845-01-8)
- Methyl 2-cyclopropyl-1h-imidazole-4-carboxylate (CAS 1250136-57-2)
- 1-Cyclopropyl-3-methyl-1h-pyrazole-5-carboxylic acid (CAS 1254199-92-2)
- methyl 1-cyclopropyl-1H-imidazole-4-carboxylate (CAS 1260655-08-0)
- 3-Cyclopropyl-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1287752-79-7)
- N-Cyclopropyl-5-methylisoxazole-3-carboxamide (CAS 135401-17-1)
Recommended Standards
- 1-Allyl-5-amino-1H-imidazole-4-carboxamide (CAS 60627-21-6)
- 1-Cyclopropyl-4-methyl-1H-pyrazole-5-carboxylic acid (CAS 2384171-55-3)
- 1-Allyl-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 319474-61-8)
- 1-Hydroxy-1-methyl-3-phenylurea (CAS 26817-00-5)
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- Boc-Arg-Ome (CAS 83731-79-7)
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