| CAS No. | 14203-89-5 |
| Molecular Formula | C13H14N4 |
| Molecular Weight | 226.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-(2,3-Diamino-4-isopropylbenzylidene)malononitrile (CAS 14203-89-5), molecular formula C13H14N4 and molecular weight 226.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(2,3-Diamino-4-isopropylbenzylidene)malononitrile (C13H14N4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 226.28 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 manufactures 2-(2,3-Diamino-4-isopropylbenzylidene)malononitrile 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 | C13H14N4 |
| Molecular Weight | 226.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 4 |