2422-91-5 Benzene, 1,1',1''-methylidynetris(4-isocyanato- Methylidynetri-p-phenylene triisocyanate EINECS 219-351-8 EC 219-351-8 CAS 2422-91-5
| CAS No. | 2422-91-5 |
| Molecular Formula | C22H13N3O3 |
| Molecular Weight | 367.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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 2422-91-5 Benzene, 1,1',1''-methylidynetris(4-isocyanato- Methylidynetri-p-phenylene triisocyanate EINECS 219-351-8 EC 219-351-8 (CAS 2422-91-5), a certified reference material (molecular formula C22H13N3O3, MW 367.36 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H13N3O3, 2422-91-5 Benzene, 1,1',1''-methylidynetris(4-isocyanato- Methylidynetri-p-phenylene triisocyanate EINECS 219-351-8 EC 219-351-8 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Formula | C22H13N3O3 |
| Molecular Weight | 367.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
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Why CATO?
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