(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)propanoic acid CAS 1998643-99-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1998643-99-4 |
| Molecular Formula | C27H25NO6 |
| Molecular Weight | 459.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)propanoic acid (CAS 1998643-99-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H25NO6. Molecular weight: 459.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H25NO6 |
| Molecular Weight | 459.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-(benzyloxy)-4-oxobutanoic acid (CAS 2044710-86-1)
- 1-(4-{2-[5-(furan-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1h-pyrazol-1-yl]-2-oxoethoxy}phenyl)pyrrolidin-2-one (CAS 920626-13-7)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(benzyloxy)-5-oxopentanoic acid (CAS 1362858-86-3)
- 4-((4,6-Diamino-1,3,5-triazin-2-yl)amino)-4-oxobutanoic acid (CAS 185046-45-1)
- 1-(4-(6-(1H-Pyrrol-1-yl)pyridazin-3-yl)piperazin-1-yl)butan-1-one (CAS 1421474-50-1)
- 4-Bromo-3-chloro-6-(difluoromethyl)picolinonitrile (CAS 1805087-70-0)
- (E)-N,N-dimethyl-N'-(phenylsulfonyl)formohydrazonamide (CAS 90648-60-5)
- 1-Ethyl-1H-tetrazol-5-amine (CAS 65258-53-9)
- 2-Methyl-5-(2-nitrophenyl)thiophene (CAS 96919-45-8)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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