6-Nitro-1H-indole-3-sulfonyl chloride CAS 132745-00-7
| CAS No. | 132745-00-7 |
| Molecular Formula | C8H5ClN2O4S |
| Molecular Weight | 260.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-Nitro-1H-indole-3-sulfonyl chloride (C8H5ClN2O4S) 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 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 260.65 g/mol, it falls into the medium-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.
6-Nitro-1H-indole-3-sulfonyl chloride (CAS 132745-00-7) is a high-purity analytical reference standard with the molecular formula C8H5ClN2O4S and a molecular weight of 260.65 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Nitro-1H-indole-3-sulfonyl chloride 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 | C8H5ClN2O4S |
| Molecular Weight | 260.65 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Nitro Standards
- 5-Nitro-1h-indole-3-sulfonyl chloride (CAS 132744-99-1)
- 3-Nitro-5-(p-tolylthio)aniline (CAS 438217-89-1)
- 6-Nitro-3-(piperazin-1-ylmethyl)-1H-indole (CAS 1951444-79-3)
- 5-Nitro-3-(piperazin-1-ylmethyl)-1H-indole (CAS 1956324-74-5)
- 5-Nitro-2-(2-(pyrrolidin-1-yl)ethyl)-2H-indazole (CAS 690265-59-9)
- 5-Nitro-2-(pyridin-2-ylthio)benzaldehyde (CAS 175278-54-3)
- (4-(2-(2-Nitro-1H-imidazol-1-yl)ethyl)phenyl)boronic acid (CAS 137756-88-8)
- 3-Nitro-4-(pyrrolidin-1-yl)-2H-chromen-2-one (CAS 56879-65-3)
Recommended Standards
- 4-Chloro-5-sulfamoylphthalimide (CAS 3861-99-2)
- Gemifloxacin impurity 1 (CAS CATO-C4X-27471)
- 4-Chloro-2,3-dioxoindoline-5-sulfonamide (CAS 3456-81-3)
- N-Hexadecane-d34 (CAS 15716-08-2)
- 3-Amino-6-bromopyridine (CAS 13534-97-9)
- 5-(4-Fluorophenyl)-6-(trifluoromethyl)pyridin-2-ol (CAS 1214390-86-9)
- (3-Chloro-2-(difluoromethyl)-5-methylpyridin-4-yl)methanamine (CAS 1806936-37-7)
- Sancycline 7-Nitro Monosulfate (CAS 5679-01-6)
- 1-(3-Methoxybenzyl)pyrrolidin-3-amine dihydrochloride (CAS 169452-16-8)
- 1-Iodo-3-(methylsulfonyl)benzene (CAS 139769-20-3)
- 2,6-Dibromoanthracene (CAS 186517-01-1)
- 2-(Butylthio)-6-(naphthalen-2-ylthio)pyrimidin-4-amine (CAS 284681-96-5)
- 6-Bromo-5-methoxyisoindolin-1-one (CAS 1427360-45-9)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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