5-Iodo-1H-indazole CAS 55919-82-9
| CAS No. | 55919-82-9 |
| Molecular Formula | C7H5IN2 |
| Molecular Weight | 244.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.03 g/mol gives 5-Iodo-1H-indazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-Iodo-1H-indazole (CAS 55919-82-9), a certified reference material (molecular formula C7H5IN2, MW 244.03 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H5IN2, 5-Iodo-1H-indazole contains a nitrile group, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 5-Iodo-1H-indazole 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 | C7H5IN2 |
| Molecular Weight | 244.03 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Iodo Standards
- 6-Iodo-4-azaindole (CAS 1015609-75-2)
- 3-Iodo-1H-pyrrolo[3,2-b]pyridine (CAS 1083181-26-3)
- 2-Iodo-6-methylnicotinonitrile (CAS 1163297-81-1)
- 4-Iodo-6-methylnicotinonitrile (CAS 1211594-67-0)
- 2-Iodo-1H-pyrrolo[3,2-b]pyridine (CAS 1227268-72-5)
- 2-Iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1227269-14-8)
- 2-Iodo-1h-pyrrolo[2,3-c]pyridine (CAS 1227270-26-9)
- 5-Iodo-3-methylpicolinonitrile (CAS 1246383-20-9)
Recommended Standards
- 4-Iodo-1H-indazole (CAS 885522-11-2)
- 5-Iodobenzofuran (CAS 60770-67-4)
- 4-Iodo-1H-benzimidazole (CAS 51288-04-1)
- 5-Iodoimidazo[1,2-a]pyridine (CAS 2137731-11-2)
- 2-Hydroxy-5-(4-methoxy-2-methylphenyl)pyridine (CAS 1111110-07-6)
- Procarbazone sodium (CAS 181274-15-7)
- 3-((Diethylamino)methyl)-4-propoxybenzaldehyde (CAS 883549-17-5)
- (6-Bromohexyl)benzene (CAS 27976-27-8)
- Ethyl acetoacetate, sodium salt (CAS 19232-39-4)
- 3,3-Difluoropiperidine (CAS 363179-66-2)
- 2-(Cyclopropylmethoxy)-4-(methylthio)phenol (CAS 1243369-94-9)
- (S)-N-((S)-1-Cyclohexyl-2-((S)-2-(4-(4-fluorobenzoyl)pyridin-2-yl)pyrrolidin-1-yl)-2-oxoethyl)-2-(methylamino)propanamide (CAS 1005342-47-1)
- Piperacillin impurity 94 (CAS CATO-C4X-173294)
- Cyclolinopeptide B (CAS 193139-41-2)
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