(3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3R)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 269726-87-6 Fmoc-(R)-3-Amino-4-(4-cyanophenyl)-butyric acid CAS 269726-87-6

Purity 97%+In StockPharmaceutical Standards
CAS No.269726-87-6
Molecular FormulaC26H22N2O4
Molecular Weight426.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3R)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 269726-87-6 Fmoc-(R)-3-Amino-4-(4-cyanophenyl)-butyric acid CAS 269726-87-6 chemical structure

Description

(3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3R)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 269726-87-6 Fmoc-(R)-3-Amino-4-(4-cyanophenyl)-butyric acid (CAS 269726-87-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H22N2O4. Molecular weight: 426.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC26H22N2O4
Molecular Weight426.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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