4-Chloro-3-iodo-6-methyl-1H-pyrazolo[4,3-c]pyridine CAS 1347759-25-4
| CAS No. | 1347759-25-4 |
| Molecular Formula | C7H5ClIN3 |
| Molecular Weight | 293.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-iodo-6-methyl-1H-pyrazolo[4,3-c]pyridine (CAS 1347759-25-4), molecular formula C7H5ClIN3 and molecular weight 293.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5ClIN3, 4-Chloro-3-iodo-6-methyl-1H-pyrazolo[4,3-c]pyridine contains a nitrile group, chlorine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 4-Chloro-3-iodo-6-methyl-1H-pyrazolo[4,3-c]pyridine 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 | C7H5ClIN3 |
| Molecular Weight | 293.49 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, 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.) | 1991 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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Recommended Standards
- 8-Chloro-3-iodo-2-methylimidazo[1,2-a]pyrazine (CAS 1334167-35-9)
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- 6-Chloro-8-iodo-2-methylimidazo[1,2-b]pyridazine (CAS 1298031-96-5)
- 4-Chloro-6-iodo-5-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 1419101-02-2)
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- n-(Furan-2-ylmethyl)-2-methoxypyridin-3-amine (CAS 1157624-41-3)
- 1-((2-Fluorophenoxy)methyl)-1h-pyrazol-4-amine (CAS 1006457-12-0)
- 2-chloro-1-(2-piperidin-1-yl-1,3-thiazol-5-yl)ethanone (CAS 790271-19-1)
- 2-((4-Fluorobenzyl)thio)-1-methyl-4,5-diphenyl-1H-imidazole (CAS 339277-61-1)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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