5-(3,4,5-Trimethoxyphenyl)-1H-pyrazol-3-amine CAS 502133-05-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 502133-05-3 |
| Molecular Formula | C12H15N3O3 |
| Molecular Weight | 249.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3,4,5-Trimethoxyphenyl)-1H-pyrazol-3-amine (CAS 502133-05-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H15N3O3. Molecular weight: 249.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H15N3O3 |
| Molecular Weight | 249.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-[(3,4-Ethylenedioxyphenyl)azo]-morpholine (CAS 883526-57-6)
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- 4-(Pyridin-2-yldiazenyl)naphthalen-1-ol (CAS 7385-98-0)
- 2,10,10-Trimethyl-5,7-dioxatricyclo[6.4.0.0^{2,6}]dodec-1(8)-ene-4,12-dione (CAS 866157-76-8)
- 6-(2-Chlorophenyl)-2-(naphthalen-2-yloxy)-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 478049-44-4)
- 2-Fluoro-6-methylpyridine (CAS 407-22-7)
- (S)-Ibuprofen EP Impurity B (CAS 404354-76-3)
- N'-Methyl-N,N-diphenylcarbamimidic chloride (CAS 52072-98-7)
- 5-Bromo-2,4-difluorobenzenethiol (CAS 1208076-68-9)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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