5,6-Dinitro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole CAS 165190-73-8

Purity 97%+In StockPharmaceutical Standards
CAS No.165190-73-8
Molecular FormulaC14H6N4O4S3
Molecular Weight390.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Dinitro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole CAS 165190-73-8 chemical structure

Description

The occurrence of 5,6-Dinitro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5,6-Dinitro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (CAS 165190-73-8) is a high-purity analytical reference standard with the molecular formula C14H6N4O4S3 and a molecular weight of 390.42 g/mol.

Structurally, 5,6-Dinitro-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (C14H6N4O4S3) 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 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 390.42 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).

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.

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 FormulaC14H6N4O4S3
Molecular Weight390.42 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2004
Nitrogen Atoms4
Sulfur Atoms3

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