5H-pyrrolo[2,3-b]pyrazine-6-carbonitrile CAS 1503470-78-7
| CAS No. | 1503470-78-7 |
| Molecular Formula | C7H4N4 |
| Molecular Weight | 144.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5H-pyrrolo[2,3-b]pyrazine-6-carbonitrile (C7H4N4) contains a nitrile group, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 144.13 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5H-pyrrolo[2,3-b]pyrazine-6-carbonitrile (CAS 1503470-78-7), molecular formula C7H4N4 and molecular weight 144.13 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5H-pyrrolo[2,3-b]pyrazine-6-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 | C7H4N4 |
| Molecular Weight | 144.13 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 4 |
Related H Standards
- 7H-Pyrrolo[2,3-d]pyrimidine-4-carbonitrile (CAS 1005206-16-5)
- 5H-Pyrrolo[3,2-d]pyrimidine-4-carbonitrile (CAS 1211589-46-6)
- 5H-Pyrrolo[5,4-b]pyrazine-7-carbonitrile (CAS 1506814-96-5)
- 5H-pyrrolo[2,3-b]pyrazine-2-carbonitrile (CAS 2118657-04-6)
- 7H-pyrrolo[2,3-c]pyridazin-4-ol (CAS 1269822-97-0)
- 1H-pyrrolo[2,3-c]pyridine-7-carbonitrile (CAS 1159827-11-8)
- 1H-Pyrrolo[3,2-b]pyridine-7-carbonitrile (CAS 1190320-73-0)
- 1H-Pyrrolo[3,2-b]pyridine-3-carbonitrile (CAS 1196151-62-8)
Recommended Standards
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- 4-Oxo-2-oxetanecarboxylic Acid Ethyl Ester (CAS 150196-71-7)
- 1H-Benzo[d][1,2,3]triazole-1-carbonitrile (CAS 15328-32-2)
- N-(3-Oxoisoxazolidin-4-yl)acetamide (CAS 14996-34-0)
- (2e)-3-(4-Methoxyphenyl)but-2-enoic acid (CAS 376346-53-1)
- 2-(Difluoromethyl)-6-fluoro-4-iodo-3-methylpyridine (CAS 1807092-06-3)
- 2-[4-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-phenoxy]-propionamide (CAS 1311278-61-1)
- 7-Iodo-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 228728-13-0)
- retro-Methoxy-α-ionol (CAS 945426-65-3)
- (5-Bromopyridin-3-yl)(4-methylpiperazin-1-yl)methanone (CAS 342013-83-6)
- Salcaprozate Impurity 9 (CAS CATO-C4X-25079)
- 1,3,8-Trichloro-6-methyldibenzo[b,d]furan (CAS 118174-38-2)
- Methyl 5-bromo-6-chloro-3-fluoropicolinate (CAS 1211528-83-4)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
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