2-(3-Nitrobenzylidene)malononitrile CAS 2826-32-6
| CAS No. | 2826-32-6 |
| Molecular Formula | C10H5N3O2 |
| Molecular Weight | 199.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(3-Nitrobenzylidene)malononitrile.
2-(3-Nitrobenzylidene)malononitrile (CAS 2826-32-6) is a high-purity analytical reference standard with the molecular formula C10H5N3O2 and a molecular weight of 199.17 g/mol.
Structurally, 2-(3-Nitrobenzylidene)malononitrile (C10H5N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 199.17 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 2-(3-Nitrobenzylidene)malononitrile meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H5N3O2 |
| Molecular Weight | 199.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Nitrobenzylidene Standards
- 2-(2-Nitrobenzylidene)malononitrile (CAS 2826-30-4)
- (E)-2-(2-Nitrobenzylidene)hydrazine-1-carboxamide (CAS 120445-33-2)
- 2-(3-nitrobenzylidene)cyclopentanone (CAS 507227-92-1)
- (E)-2-(4-Nitrobenzylidene)hydrazine-1-carbothioamide (CAS 180864-33-9)
- N-(2-Nitrobenzylidene)aniline (CAS 17064-77-6)
- 3-Methyl-4-(2-nitrobenzylidene)-1H-pyrazol-5(4H)-one (CAS 10234-90-9)
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Recommended Standards
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