202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C CAS 202114-53-2

Purity 97%+In StockPharmaceutical Standards
CAS No.202114-53-2
Molecular FormulaC20[13C]H35NO4
Molecular Weight366.50 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C CAS 202114-53-2 chemical structure

Description

The occurrence of 202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C (CAS 202114-53-2) is a high-purity analytical reference standard with the molecular formula C20[13C]H35NO4 and a molecular weight of 366.50 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 366.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20[13C]H35NO4
Molecular Weight366.50 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, 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
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2014
Nitrogen Atoms1

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