3-Hydroxy-3-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)indolin-2-one CAS 19579-63-6
| CAS No. | 19579-63-6 |
| Molecular Formula | C18H15NO3 |
| Molecular Weight | 293.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Hydroxy-3-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)indolin-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.
3-Hydroxy-3-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)indolin-2-one (CAS 19579-63-6), molecular formula C18H15NO3 and molecular weight 293.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Hydroxy-3-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)indolin-2-one (C18H15NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 293.32 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.
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 | C18H15NO3 |
| Molecular Weight | 293.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-tert-Butyl 1-methyl 1,2-dihydropyrido[3,4-d]pyridazine-1,3(4H)-dicarboxylate (CAS 1956326-53-6)
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- 1-(4-(1-Cyanocyclopropyl)phenyl)-4-methoxy-2-oxo-1,2,5,6-tetrahydropyridine-3-carbonitrile (CAS 1956321-54-2)
- (1R,3S,4S)-3-((((benzyloxy)carbonyl)amino)methyl)-4-hydroxycyclopentane-1-carboxylic acid (CAS 2306255-66-1)
- 2-(Pyridin-3-yl)oxazolo[4,5-b]pyridine (CAS 52333-48-9)
- 3-Amino-4-chloropicolinic acid (CAS 1393555-24-2)
- 4-((2,6-Dichlorophenyl)amino)thiophene-3-carboxylic acid (CAS 16562-98-4)
- PF-5274857 (CAS 1373615-35-0)
- 4,5-Dichloropyridine-2-sulfonyl chloride (CAS 1803826-16-5)
- Ethyl 7-bromo-2-oxo-1,2-dihydroquinoline-4-carboxylate (CAS 762260-64-0)
- 1-(3-Bromopropyl)-4-(2,2,2-trifluoroethyl)piperazine (CAS 1343109-33-0)
- 2-(Boc-aminomethyl)benzoic acid (CAS 669713-61-5)
- 3-(2-(4-Chlorophenyl)thiazol-4-yl)aniline (CAS 1017219-30-5)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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