7-Chloro-3-iodo-1<I>H</I>-pyrazolo[3,4-<I>c</I>]pyridine CAS 1268521-18-1
| CAS No. | 1268521-18-1 |
| Molecular Formula | C6H11ClIN3 |
| Molecular Weight | 287.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 7-Chloro-3-iodo-1<I>H</I>-pyrazolo[3,4-<I>c</I>]pyridine (CAS 1268521-18-1), a certified reference material (molecular formula C6H11ClIN3, MW 287.53 g/mol) for analytical method development and quality control.
Structurally, 7-Chloro-3-iodo-1<I>H</I>-pyrazolo[3,4-<I>c</I>]pyridine (C6H11ClIN3) contains a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 287.53 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 7-Chloro-3-iodo-1<I>H</I>-pyrazolo[3,4-<I>c</I>]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.
Physical & Chemical Properties
| Molecular Formula | C6H11ClIN3 |
| Molecular Weight | 287.53 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine (CAS 1186647-69-7)
- 6-Chloro-7-iodo-7-deazapurine (CAS 123148-78-7)
- 6-chloro-3-iodoimidazo[1,2-a]pyrazine (CAS 1245645-10-6)
- 6-chloro-3-iodo-1H-pyrazolo[3,4-b]pyridine (CAS 1259223-95-4)
- 5-Chloro-3-iodo-1<I>H</I>-pyrazolo[3,4-<I>c</I>]pyridine (CAS 1260666-29-2)
- 6-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine (CAS 1260672-72-7)
- 7-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine (CAS 1357946-98-5)
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