| CAS No. | 73018-35-6 |
| Molecular Formula | C16H10N2O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
| Molecular Formula | C16H10N2O4S C15H10N2O2 |
| Molecular Weight | 576.58 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |