N-(3,4-Dimethoxyphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine CAS 380437-07-0

Purity 97%+In StockPharmaceutical Standards
CAS No.380437-07-0
Molecular FormulaC12H16N2O2S
Molecular Weight252.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(3,4-Dimethoxyphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine CAS 380437-07-0 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.

N-(3,4-Dimethoxyphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine (CAS 380437-07-0), molecular formula C12H16N2O2S and molecular weight 252.33 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N-(3,4-Dimethoxyphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine (C12H16N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 252.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC12H16N2O2S
Molecular Weight252.33 g/mol
Purity97%+
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms1

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