Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) CAS 73018-35-6

Purity 97%+In StockPharmaceutical Standards
CAS No.73018-35-6
Molecular FormulaC16H10N2O4S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) CAS 73018-35-6 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.

CATO supplies Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) (CAS 73018-35-6), a certified reference material (molecular formula C16H10N2O4SC15H10N2O2, MW 576.58 g/mol) for analytical method development and quality control.

Based on its molecular formula C16H10N2O4SC15H10N2O2, Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 576.58 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).

CATO manufactures Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) 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 FormulaC16H10N2O4S C15H10N2O2
Molecular Weight576.58 g/mol
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)24.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Nitrogen Atoms4
Sulfur Atoms1

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