4-Iodo-1H-pyrrole-2-carbonitrile CAS 87721-22-0
| CAS No. | 87721-22-0 |
| Molecular Formula | C5H3IN2 |
| Molecular Weight | 218.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-Iodo-1H-pyrrole-2-carbonitrile (C5H3IN2) is characterized by a nitrile group, iodine substitution. 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Iodo-1H-pyrrole-2-carbonitrile (CAS 87721-22-0), a certified reference material (molecular formula C5H3IN2, MW 218.00 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Iodo-1H-pyrrole-2-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 | C5H3IN2 |
| Molecular Weight | 218.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Iodo Standards
- 3-Iodo-1H-pyrrole-2-carbonitrile (CAS 1391069-38-7)
- 5-Iodo-1H-pyrrole-2-carbonitrile (CAS 1934852-22-8)
- 4-Iodo-1H-imidazole-5-carbonitrile (CAS 132252-43-8)
- 4-Iodo-1H-pyrazole-5-carbonitrile (CAS 1354703-91-5)
- 5-Iodo-1H-imidazole-2-carbonitrile (CAS 1383742-10-6)
- 5-Iodo-1H-pyrazole-3-carbonitrile (CAS 1533442-33-9)
- 3-Iodo-1H-pyrazole-4-carbonitrile (CAS 827316-44-9)
- 3-Iodo-2-methylpyridine (CAS 15112-62-6)
Recommended Standards
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- 5-Bromo-2-nitrophenol (CAS 27684-84-0)
- 2-Fluoropyrimidine-5-carbaldehyde (CAS 1240041-64-8)
- 4-Bromo-1-ethyl-N-(3-(methylthio)phenyl)-1H-pyrazole-3-carboxamide (CAS 400839-04-5)
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- (S)-2-(2-bromo-5-methoxyphenyl)pyrrolidine (CAS 1213464-88-0)
- (R)-Methyl 4-(5-methyl-7-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazine-1-carboxylate (CAS 1369532-11-5)
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