6-Nitro-1H-benzo[d]imidazole-4-carbonitrile CAS 1803898-53-4
| CAS No. | 1803898-53-4 |
| Molecular Formula | C8H4N4O2 |
| Molecular Weight | 188.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Nitro-1H-benzo[d]imidazole-4-carbonitrile (CAS 1803898-53-4), molecular formula C8H4N4O2 and molecular weight 188.14 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 6-Nitro-1H-benzo[d]imidazole-4-carbonitrile (C8H4N4O2) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 6-Nitro-1H-benzo[d]imidazole-4-carbonitrile 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 | C8H4N4O2 |
| Molecular Weight | 188.14 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Related Nitro Standards
- 3-Nitro-1H-pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 1000340-52-2)
- 3-Nitro-1H-pyrrolo[2,3-c]pyridine-7-carbonitrile (CAS 1190314-84-1)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridine-7-carbonitrile (CAS 1190316-22-3)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridine-5-carbonitrile (CAS 1190318-29-6)
- 3-Nitro-1H-pyrrolo[2,3-c]pyridine-4-carbonitrile (CAS 1190320-14-9)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile (CAS 1190320-48-9)
- 3-Nitro-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 1190322-60-1)
- 4-Nitro-1H-indazole-3-carbonitrile (CAS 1260386-34-2)
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- GSK 2830371 (CAS 1404456-53-6)
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- 4-(4-Butoxyphenyl)-1,3-thiazol-2-amine (CAS 15850-32-5)
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- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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