Methyl 5-amino-4-carbamoyl-1H-pyrazole-1-carboxylate CAS 220131-61-3
| CAS No. | 220131-61-3 |
| Molecular Formula | C6H8N4O3 |
| Molecular Weight | 184.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-amino-4-carbamoyl-1H-pyrazole-1-carboxylate (CAS 220131-61-3), molecular formula C6H8N4O3 and molecular weight 184.15 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Methyl 5-amino-4-carbamoyl-1H-pyrazole-1-carboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 184.15 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).
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.
CATO manufactures Methyl 5-amino-4-carbamoyl-1H-pyrazole-1-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8N4O3 |
| Molecular Weight | 184.15 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 methanol, ethanol, DMSO, water |
| 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.) | 2019 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- N-(6-Amino-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide (CAS 10184-01-7)
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Recommended Standards
- Methyl 5-acetamido-1H-1,2,4-triazole-3-carboxylate (CAS 199291-94-6)
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- N'-(2,6-Dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)acetohydrazide (CAS 342617-59-8)
- 8-(4,4,4-Trifluorobutyl)imidazo[1,2-a]pyrazine-6-carboximidamide (CAS 1838149-53-3)
- Benzyl (cis-3-(methylamino)cyclobutyl)carbamate (CAS 1353501-22-0)
- 1,3-Dioxo-2-(pyrimidin-2-yl)isoindoline-5-carboxylic acid (CAS 328549-52-6)
- Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-methoxyphenyl)-4h-pyran-3-carboxylate (CAS 354554-29-3)
- 2-Methylcyclohexanol (cis- and trans- mixture) (CAS 583-59-5)
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- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-chloro-5-fluorobenzoic acid (CAS 2243521-23-3)
- 1-(2-tert-Butyl-4-methyl-1,3-thiazol-5-yl)ethan-1-one (CAS 1087792-30-0)
- 3-(7-Bromo-4-fluoro-1-oxoisoindolin-2-yl)piperidine-2,6-dione (CAS 2438243-28-6)
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