N,N′-Di(DNP)-L-histidine CAS 3129-33-7

Purity 97%+In StockPharmaceutical Standards
CAS No.3129-33-7
Molecular FormulaC18H13N7O10
Molecular Weight487.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N,N′-Di(DNP)-L-histidine CAS 3129-33-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 487.34 g/mol gives N,N′-Di(DNP)-L-histidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N,N′-Di(DNP)-L-histidine (CAS 3129-33-7), molecular formula C18H13N7O10 and molecular weight 487.34 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H13N7O10, N,N′-Di(DNP)-L-histidine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 487.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures N,N′-Di(DNP)-L-histidine 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 FormulaC18H13N7O10
Molecular Weight487.34 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms7

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