6-Chloro-4-iodo-1-(phenylsulfonyl)-1H-indazole CAS 1254036-94-6
| CAS No. | 1254036-94-6 |
| Molecular Formula | C13H8ClIN2O2S |
| Molecular Weight | 418.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H8ClIN2O2S, 6-Chloro-4-iodo-1-(phenylsulfonyl)-1H-indazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 418.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
6-Chloro-4-iodo-1-(phenylsulfonyl)-1H-indazole (CAS 1254036-94-6), molecular formula C13H8ClIN2O2S and molecular weight 418.64 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H8ClIN2O2S |
| Molecular Weight | 418.64 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-5-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1196507-56-8)
- 6-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227267-22-2)
- 5-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227268-73-6)
- 5-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridine (CAS 1227269-34-2)
- 4-Chloro-2-iodo-1-(phenylsulfonyl)-5-azaindole (CAS 1227270-34-9)
- 6-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[3,2-b]pyridine (CAS 1260382-17-9)
- 7-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[3,2-c]pyridine (CAS 1260382-90-8)
- 7-Chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[3,2-b]pyridine (CAS 1260385-95-2)
Recommended Standards
- 2-Chloro-5-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1305324-68-8)
- 1-(Benzenesulfonyl)-6-chloro-2-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1227267-17-5)
- 6-Chloro-3-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1638768-21-4)
- 1-(Benzenesulfonyl)-4-chloro-3-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 1203566-61-3)
- 4-(Benzyloxy)-2-(tert-butyl)aniline (CAS 1352342-91-6)
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