(3R)-4-Amino-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxobutanoic acid CAS 200335-41-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 200335-41-7 |
| Molecular Formula | C19H18N2O5 |
| Molecular Weight | 354.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3R)-4-Amino-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxobutanoic acid (CAS 200335-41-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H18N2O5. Molecular weight: 354.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H18N2O5 |
| Molecular Weight | 354.36 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (2S)-2-[(4,7-Dimethoxy-1H-indol-2-yl)formamido]-2-phenylacetic acid (CAS 956951-92-1)
- (S)-2-(((Benzyloxy)carbonyl)amino)-3-(5-hydroxy-1H-indol-3-yl)propanoic acid (CAS 98409-91-7)
- Diethyl 2,5-di(1H-imidazol-1-yl)terephthalate (CAS 1942879-47-1)
- 2-((4-Bromo-1-methyl-1H-pyrazol-5-yl)methylene)malononitrile (CAS 1005672-95-6)
- N-(5-amino-2-methylphenyl)formamide (CAS 6399-94-6)
- Atorvastatin Impurity N2 (CAS 40281-50-3)
- 3-Iodo-1,6-dimethyl-1H-indole (CAS 1599372-49-2)
- 6-(2-Carboxyethyl)-8-hydroxy-5-oxo-1,2,3,5-tetrahydroindolizine-3-carboxylic acid (CAS 87896-52-4)
- N-(4-Bromocyclohexyl)acetamide (CAS 500878-96-6)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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