3-Amino-5-(2-methylphenyl)-1H-pyrazole CAS 902835-99-8
| CAS No. | 902835-99-8 |
| Molecular Formula | C10H11N3 |
| Molecular Weight | 173.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Amino-5-(2-methylphenyl)-1H-pyrazole (CAS 902835-99-8) is a high-purity analytical reference standard with the molecular formula C10H11N3 and a molecular weight of 173.21 g/mol.
Structurally, 3-Amino-5-(2-methylphenyl)-1H-pyrazole (C10H11N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 173.21 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 3-Amino-5-(2-methylphenyl)-1H-pyrazole 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 | C10H11N3 |
| Molecular Weight | 173.21 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-Amino-4-(methylamino)quinoline (CAS 99010-10-3)
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- 5-[(4-tert-Butylphenoxy)methyl]-2-chloro-1,3-thiazole (CAS 339018-34-7)
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- Cefpirome Impurity 50 (CAS CATO-C4X-120750)
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- (S)-Naphthalen-1-yl 2-acetamido-4-(methylthio)butanoate (CAS 69975-69-5)
- Ethyltert-butylacetate (CAS 5340-78-3)
- (4-(((2-Amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid trihydrochloride (CAS 150731-85-4)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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