3-Amino-5-(2-methylphenyl)-1H-pyrazole CAS 902835-99-8
Purity 97%+In StockPharmaceutical Standards
| 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
CATO supplies 3-Amino-5-(2-methylphenyl)-1H-pyrazole (CAS 902835-99-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H11N3. Molecular weight: 173.21 g/mol. Batch-specific COA and technical support are available on request.
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)
- 3-Amino-5-(2-methylphenyl)pyrazole (CAS 57860-42-1)
- 3-amino-4-(cyclopropylamino)benzonitrile (CAS 918152-17-7)
- 5-[(4-tert-Butylphenoxy)methyl]-2-chloro-1,3-thiazole (CAS 339018-34-7)
- 3-(2,5-Dimethylphenyl)butan-1-amine (CAS 65410-58-4)
- Bromazepam-D4 (CAS 1185022-85-8)
- Cefpirome Impurity 50 (CAS CATO-C4X-120750)
- (S)-(((2R,3S,4R,5S)-L-Sofosbuvir Isomer (CAS CATO-C4X-105237)
- (S)-Naphthalen-1-yl 2-acetamido-4-(methylthio)butanoate (CAS 69975-69-5)
- 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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com