N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine CAS 918667-71-7

Purity 97%+In StockPharmaceutical Standards
CAS No.918667-71-7
Molecular FormulaC21H17F6NO4
Molecular Weight461.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine CAS 918667-71-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 461.35 g/mol gives N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine (CAS 918667-71-7), a certified reference material (molecular formula C21H17F6NO4, MW 461.35 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H17F6NO4, N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 461.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures N-Fmoc-5,5,5,5’,5’,5’-Hexafluoro-L-leucine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H17F6NO4
Molecular Weight461.35 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms1

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