5-Amino-1-(4-methylphenyl)-1H-pyrazole-4-carboxamide CAS 100061-56-1
| CAS No. | 100061-56-1 |
| Molecular Formula | C11H12N4O |
| Molecular Weight | 216.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-Amino-1-(4-methylphenyl)-1H-pyrazole-4-carboxamide (CAS 100061-56-1), molecular formula C11H12N4O and molecular weight 216.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H12N4O, 5-Amino-1-(4-methylphenyl)-1H-pyrazole-4-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 216.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H12N4O |
| Molecular Weight | 216.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 1,4,7-Trioxacyclotridecane-8,13-dione (CAS 6607-34-7)
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- 3-(1-Phenyl-1h-pyrazol-4-yl)propanoic acid (CAS 100142-73-2)
- Cobalt(1+), bis[[2,3-butanedione 2,3-di(oximato-κN)](1-)]bis(pyridine)-, (OC-6-12)-, hexafluorophosphate(1-) (1:1) (CAS 139526-58-2)
- 3-{[(2E)-3-(4-methoxyphenyl)prop-2-enoyl]amino}propanoic acid (CAS 150891-02-4)
- (4-Amino-5-bromo-2-(difluoromethyl)pyridin-3-yl)methanol (CAS 1806888-55-0)
- 5-Methyl-N3-phenyl-1H-pyrazole-3,4-diamine (CAS 1287752-75-3)
- 1-(5-Amino-2,4-dibromophenyl)ethan-1-one (CAS 37148-50-8)
- 1,4-diazepan-5-one; acetic acid (CAS 190900-20-0)
- 2-Chloro-1-(5-methyl-thiophen-2-yl)-ethanone (CAS 31772-42-6)
- H-Ser-Leu-OH (CAS 6665-16-3)
- 4,5-Dihydroacenaphtho[5,4-d]thiazol-8-amine (CAS 108954-84-3)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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