L-Tetrahydropalmatine CAS 483-14-7

Purity >95%In StockPharmaceutical Standards
CAS No.483-14-7
Molecular FormulaC21H25NO4
Molecular Weight355.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-Tetrahydropalmatine CAS 483-14-7 chemical structure

Description

As a certified reference material (CRM), L-Tetrahydropalmatine 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.

L-Tetrahydropalmatine (CAS 483-14-7) is a high-purity analytical reference standard with the molecular formula C21H25NO4 and a molecular weight of 355.43 g/mol.

L-Tetrahydropalmatine (C21H25NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

Physical & Chemical Properties

Molecular FormulaC21H25NO4
Molecular Weight355.43 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms1

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