1-(Phenylsulfonyl)-1,5,6,7-tetrahydro-4H-indol-4-one CAS 18518-46-2
| CAS No. | 18518-46-2 |
| Molecular Formula | C14H13NO3S |
| Molecular Weight | 275.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(Phenylsulfonyl)-1,5,6,7-tetrahydro-4H-indol-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 1-(Phenylsulfonyl)-1,5,6,7-tetrahydro-4H-indol-4-one (CAS 18518-46-2), a certified reference material (molecular formula C14H13NO3S, MW 275.32 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-(Phenylsulfonyl)-1,5,6,7-tetrahydro-4H-indol-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 275.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H13NO3S |
| Molecular Weight | 275.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Phenylsulfonyl Standards
- N-((Phenylsulfonyl)methyl)benzamide (CAS 76965-50-9)
- (E)-2-(phenylsulfonyl)-3-(thiophen-3-yl)acrylonitrile (CAS 708230-19-7)
- 3-(Phenylsulfonyl)-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4-amine (CAS 1338218-79-3)
- 4-Methyl-2-(phenylsulfonyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 339019-62-4)
- 927997-16-8 1-(Phenylsulfonyl)indolin-6-amine MFCD09261854 (CAS 927997-16-8)
- 1-(Phenylsulfonyl)-1,2,3,4-tetrahydroquinoline (CAS 5434-99-1)
- 3-[(Phenylsulfonyl)amino]benzoic acid (CAS 28547-15-1)
- 1-((Phenylsulfonyl)methyl)-1H-benzo[d][1,2,3]triazole (CAS 111198-05-1)
Recommended Standards
- 4-(2-Oxo-2-phenylethyl)benzenesulfonamide (CAS 181697-05-2)
- (2,3-Dimethoxybenzyl)(2-Fluorobenzyl)Amine (CAS 355382-01-3)
- 3-Phenyl-2-[(thiophen-2-yl)formamido]propanoic acid (CAS 1803030-67-2)
- (2E)-3-{2-[(2-methyl-1,3-thiazol-4-yl)methoxy]phenyl}acrylic acid (CAS 926254-83-3)
- 2-Chloro-9,9'-spirobi[fluorene] (CAS 1995886-78-6)
- 2-bromo-6,6-dimethyl-5H-pyrrolo[3,4-d]thiazol-4-one (CAS 2648455-24-5)
- 5-Chloro-1-[(2-chlorophenyl)methyl]-3-methyl-1h-pyrazole-4-carbaldehyde (CAS 882237-68-5)
- Abemaciclib Impurity 162 (CAS CATO-C4X-2937162)
- 3-(Boc-amino)indole (CAS 1199215-71-8)
- 898754-89-7 {2-[(Azetidin-1-yl)methyl]phenyl}(2,5-dimethylphenyl)methanone DTXSID90643708 (CAS 898754-89-7)
- 2-(3,4-Dimethoxyphenyl)pyridine (CAS 79445-44-6)
- 5,5'-Dibromo-4,4'-dihexyl-2,2'-bithiophene (CAS 214493-03-5)
- 4-(4-Boc-piperazin-1-yl)benzyl Alcohol (CAS 158985-37-6)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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