3-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-1-methyl-1H-pyrazole-5-carboxylic acid CAS 2137821-77-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2137821-77-1 |
| Molecular Formula | C21H19N3O4 |
| Molecular Weight | 377.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 2137821-77-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H19N3O4. Molecular weight: 377.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O4 |
| Molecular Weight | 377.39 g/mol |
| Appearance | Pale yellow to 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related H Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(furan-2-yl)propanoic acid (CAS 1236257-99-0)
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Recommended Standards
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- (4-Bromophenyl)(2-(methylamino)thiazol-5-yl)methanone (CAS 339008-24-1)
- Methyl 3-((2-chloro-5-fluoropyrimidin-4-yl)amino)bicyclo[2.2.2]Octane-2-carboxylate (CAS 2101657-80-9)
- 2-Amino-N-methylpropanamide hydrochloride (CAS 38215-73-5)
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- 2-(Aminomethyl)-6-(difluoromethyl)-3-hydroxypyridine-4-acetic acid (CAS 1805621-42-4)
- Rimegepant Impurity 36 (CAS CATO-C4X-248736)
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