3,3,7-Trichloro-2-oxoindoline-5-sulfonyl chloride CAS 753482-71-2
| CAS No. | 753482-71-2 |
| Molecular Formula | C8H3Cl4NO3S |
| Molecular Weight | 334.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 3,3,7-Trichloro-2-oxoindoline-5-sulfonyl chloride (CAS 753482-71-2), a certified reference material (molecular formula C8H3Cl4NO3S, MW 334.99 g/mol) for analytical method development and quality control.
Structurally, 3,3,7-Trichloro-2-oxoindoline-5-sulfonyl chloride (C8H3Cl4NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. 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 334.99 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 | C8H3Cl4NO3S |
| Molecular Weight | 334.99 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- (4-(4-METHYLPIPERAZIN-1-YL)-BENZYLAMINE (CAS 216144-45-5)
- 2-Amino-5-bromo-6-fluoro-3-iodobenzonitrile (CAS 1000577-88-7)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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