4,5-Diiodo-1H-pyrrole-2-carbonitrile CAS 51148-01-7
| CAS No. | 51148-01-7 |
| Molecular Formula | C5H2I2N2 |
| Molecular Weight | 343.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,5-Diiodo-1H-pyrrole-2-carbonitrile (C5H2I2N2) contains a nitrile group, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 343.89 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4,5-Diiodo-1H-pyrrole-2-carbonitrile (CAS 51148-01-7), molecular formula C5H2I2N2 and molecular weight 343.89 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.
CATO manufactures 4,5-Diiodo-1H-pyrrole-2-carbonitrile 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.
Physical & Chemical Properties
| Molecular Formula | C5H2I2N2 |
| Molecular Weight | 343.89 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1971 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Diiodo Standards
- 1,2-Diiodo-4-methylbenzene (CAS 1608-47-5)
- 1,2-Diiodo-3-methylbenzene (CAS 1608-48-6)
- 1,3-Diiodo-2-methylbenzene (CAS 89795-47-1)
- 1,4-Diiodo-2-methylbenzene (CAS 75838-38-9)
- 2,4-Diiodo-5-methylpyridine (CAS 1196884-09-9)
- 3,5-Diiodo-2-methylpyridine (CAS 1370342-26-9)
- 3,5-Diiodo-4-methylpyridine (CAS 98139-01-6)
- 4,6-Diiodo-2-methylpyrimidine (CAS 66298-49-5)
Recommended Standards
- N-(4-Chlorobenzyl)-4-(2-cyclohexylethoxy)aniline (CAS 1040693-12-6)
- 5-(4-Butylphenyl)-6-chloro-N-cyclopentyl-2-methylpyrimidin-4-amine (CAS 917895-67-1)
- N-(2-Chlorobenzyl)-4-(2-cyclohexylethoxy)aniline (CAS 1040693-04-6)
- rac-Clemastine Fumarate EP Impurity B (CAS 61771-18-4)
- 4,4’-Dimethylbenzoin (CAS 1218-89-9)
- 2-(Aminomethyl)-6-iodo-4-(trifluoromethyl)phenol (CAS 2050695-05-9)
- (S)-N-methylquinuclidin-3-amine dihydrochloride (CAS 2387559-89-7)
- 1-Hydroxyindolin-2-one (CAS 18108-55-9)
- 2-BROMO-4-CYANOANILINE 3-BROMO-4-AMINOBENZONITRILE 4-AMINO-3-BROMBENZONITRILE 4-Amino-3-bromobenzonitrile 50397-74-5 ART-CHEM-BB ACB000171 AS01596 BENZONITRILE, 4-AMINO-3-BROMO- BUTTPARK 35\03-64 (CAS 50397-74-5)
- 2-methyloxetane-2-carboxylic acid (CAS 1305207-92-4)
- 897775-95-0 2,11-Dimethyldibenzo[b,f][1,4]thiazepine-8-carboxylic acid MFCD14282008 (CAS 897775-95-0)
- 4-Chloro-2-(2-chloro-6-fluorophenyl)-thiazolo[5,4-c]pyridine (CAS 1242249-93-9)
- 4-(4-(4,5-Dihydro-1H-imidazol-2-yl)phenyl)-2-phenylpyrimidine (CAS 160522-98-5)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com