Fmoc-D-His(3-Me)-OH CAS 2002499-17-2

Purity >95%In StockPharmaceutical Standards
CAS No.2002499-17-2
Molecular FormulaC22H21N3O4
Molecular Weight391.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Fmoc-D-His(3-Me)-OH CAS 2002499-17-2 chemical structure

Description

CATO supplies Fmoc-D-His(3-Me)-OH (CAS 2002499-17-2), a certified reference material (molecular formula C22H21N3O4, MW 391.43 g/mol) for analytical method development and quality control.

Structurally, Fmoc-D-His(3-Me)-OH (C22H21N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 391.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

As a certified reference material (CRM), Fmoc-D-His(3-Me)-OH 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 FormulaC22H21N3O4
Molecular Weight391.43 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Nitrogen Atoms3

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