(3Z)-3-{[1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methylidene}-2,3-dihydro-1H-indol-2-one CAS 694437-74-6
| CAS No. | 694437-74-6 |
| Molecular Formula | C24H18N2O3S |
| Molecular Weight | 414.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (3Z)-3-{[1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methylidene}-2,3-dihydro-1H-indol-2-one (C24H18N2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 414.48 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.
CATO supplies (3Z)-3-{[1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methylidene}-2,3-dihydro-1H-indol-2-one (CAS 694437-74-6), a certified reference material (molecular formula C24H18N2O3S, MW 414.48 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (3Z)-3-{[1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methylidene}-2,3-dihydro-1H-indol-2-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.
Physical & Chemical Properties
| Molecular Formula | C24H18N2O3S |
| Molecular Weight | 414.48 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Z Standards
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- 1-(4-Methylbenzenesulfonyl)-3-[5-(pyrazin-2-ylsulfanyl)-1,3,4-thiadiazol-2-yl]urea (CAS 866042-93-5)
- 1-(4-Methylbenzenesulfonyl)-3-[2-(1H-pyrrol-1-yl)-5-(trifluoromethyl)phenyl]urea (CAS 866010-59-5)
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Recommended Standards
- (2S)-2-[(4R)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1-(diphenylphosphino)piperidine (CAS 2757084-52-7)
- 1,3-Bis((S)-1-(naphthalen-1-yl)ethyl)-1,3,2-diazaphospholidine 2-oxide (CAS 2166542-06-7)
- (2R)-2-[(4S)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1-(diphenylphosphino)piperidine (CAS 2757084-58-3)
- 2-((3,4-Dihydroquinoxalin-1(2H)-yl)methylene)malononitrile (CAS 6687-88-3)
- 3-Bromo-2,5-dimethylphenol (CAS 72638-60-9)
- (2,3-Dihydro-[1,4]dioxino[2,3-c]pyridin-5-yl)(phenyl)methanol (CAS 1284734-56-0)
- Licarin A (CAS 23518-30-1)
- 4-(Aminomethyl)-1-(propan-2-yl)pyrrolidin-2-one (CAS 915919-70-9)
- (R)-Methyl-N-[3-[4-(trifluoromethyl)phenyl]propyl]-1-naphthalenemethan amine (CAS 1428185-71-0)
- (S)-Methyl 1-formylpyrrolidine-2-carboxylate (CAS 3154-58-3)
- Ethyl 2-(4-((2-methyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)acetate (CAS 1421485-53-1)
- Piperazin-1-amine (CAS 30651-60-6)
- 6-(2-Hydroxyethyl)-9H-purine (CAS 948037-49-8)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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