<SC>L</SC>-Leucine-1,2-<SUP>13</SUP>C<SUB>2</SUB> CAS 134275-63-1

Purity 97%+In StockPharmaceutical Standards
CAS No.134275-63-1
Molecular FormulaC4[13C]2H13NO2
Molecular Weight133.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

<SC>L</SC>-Leucine-1,2-<SUP>13</SUP>C<SUB>2</SUB> CAS 134275-63-1 chemical structure

Description

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.

<SC>L</SC>-Leucine-1,2-<SUP>13</SUP>C<SUB>2</SUB> (CAS 134275-63-1) is a high-purity analytical reference standard with the molecular formula C4[13C]2H13NO2 and a molecular weight of 133.16 g/mol.

Structurally, <SC>L</SC>-Leucine-1,2-<SUP>13</SUP>C<SUB>2</SUB> (C4[13C]2H13NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 133.16 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), <SC>L</SC>-Leucine-1,2-<SUP>13</SUP>C<SUB>2</SUB> 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 FormulaC4[13C]2H13NO2
Molecular Weight133.16 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1995
Nitrogen Atoms1

Recommended Standards

Why CATO?