4-Bromo-3-iodo-1H-pyrazolo[4,3-c]pyridine CAS 1357946-69-0
| CAS No. | 1357946-69-0 |
| Molecular Formula | C6H3BrIN3 |
| Molecular Weight | 323.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-3-iodo-1H-pyrazolo[4,3-c]pyridine 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.
4-Bromo-3-iodo-1H-pyrazolo[4,3-c]pyridine (CAS 1357946-69-0), molecular formula C6H3BrIN3 and molecular weight 323.92 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-3-iodo-1H-pyrazolo[4,3-c]pyridine (C6H3BrIN3) contains a nitrile group, bromine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 323.92 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C6H3BrIN3 |
| Molecular Weight | 323.92 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br/I-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 6-Bromo-3-iodo-imidazo[1,2-a]pyrazine (CAS 1245644-42-1)
- 8-Bromo-3-iodoimidazo[1,2-α]pyrazine (CAS 1245644-46-5)
- 3-Bromo-5-iodo-2H-pyrazolo[3,4-b]pyridine (CAS 1305324-61-1)
- 6-Bromo-3-iodo-1H-pyrazolo[4,3-c]pyridine (CAS 1357945-49-3)
- 7-Bromo-3-iodo-1H-pyrazolo[3,4-c]pyridine (CAS 1357946-18-9)
- 5-bromo-3-iodo-1H-pyrazolo[4,3-b]pyridine (CAS 1357946-54-3)
- 6-Bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine (CAS 1357946-55-4)
- 4-Bromo-3-iodo-2H-pyrazolo[3,4-c]pyridine (CAS 1357946-92-9)
Recommended Standards
- 4-Bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine (CAS 1357947-04-6)
- 2,5-Dibromoterephthalic Acid (CAS 13731-82-3)
- Bismuth vanadium oxide (CAS 14059-33-7)
- 8-Bromo-6-iodo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1415314-10-1)
- 5-Bromo-2-(2-(trifluoromethyl)phenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1707371-71-8)
- 3-(3-(Chloromethyl)phenyl)thiophene (CAS 129746-43-6)
- N-(Cyclopropylmethyl)-2,3-dihydrobenzofuran-5-amine (CAS 61090-73-1)
- 9-(3-Bromophenyl)-9-methyl-9H-fluorene (CAS 2128245-45-2)
- 1-Allyl-1h-1,2,4-triazol-3-amine (CAS 1247842-71-2)
- Colesevelam impurity 5 (CAS 359436-95-6)
- Ethyl 5-Fluoro-2-methylindole-3-acetate (CAS 17536-39-9)
- 1-(2-Hydroxy-4-methoxyphenyl)propan-2-one (CAS 94785-37-2)
- 1-Methyl-3-(pentan-2-yl)-1h-pyrazol-5-amine (CAS 1152656-63-7)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
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