Methyl 5-cyano-1-methyl-1H-pyrazole-3-carboxylate CAS 203792-51-2
| CAS No. | 203792-51-2 |
| Molecular Formula | C7H7N3O2 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 5-cyano-1-methyl-1H-pyrazole-3-carboxylate (C7H7N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 165.15 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Methyl 5-cyano-1-methyl-1H-pyrazole-3-carboxylate (CAS 203792-51-2) is a high-purity analytical reference standard with the molecular formula C7H7N3O2 and a molecular weight of 165.15 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Methyl 5-cyano-1-methyl-1H-pyrazole-3-carboxylate 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 | C7H7N3O2 |
| Molecular Weight | 165.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
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Recommended Standards
- Methyl 5-(cyanomethyl)furan-2-carboxylate (CAS 39258-67-8)
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- Methyl 5-Formylpyridine-2-carboxylate (CAS 55876-91-0)
- 5-(1-((2-Aminophenyl)imino)ethyl)-1,6-dihydroxy-4-methylpyridin-2(1H)-one (CAS 345893-91-6)
- Pt(ii) meso-tetra (4-carboxyphenyl) porphine (CAS 94288-45-6)
- 2-Chloro-4-methyl-5-trifluoromethylsulfanylpyridine (CAS 1246466-87-4)
- Tert-butyl ((1-methylpiperidin-3-yl)methyl)carbamate (CAS 1485181-14-3)
- n-(3,5-Dimethylphenyl)-2-((2,2,2-trifluoroethyl)amino)acetamide (CAS 869710-24-7)
- 4-((5-Hydroxy-3-methylisoxazol-4-yl)methylene)-3-methylisoxazol-5(4H)-one (CAS 14532-32-2)
- 2-(Methylsulfonyl)isonicotinamide (CAS 1820707-92-3)
- N-(p-Tolyl)-2-(2-(4-tosylpiperazin-1-yl)acetyl)hydrazinecarbothioamide (CAS 500276-46-0)
- (1-((Benzyloxy)methyl)cyclobutyl)methanol (CAS 568591-39-9)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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