6-hydroxy-2-(1H-indol-3-ylmethylidene)-2,3-dihydro-1-benzofuran-3-one CAS 210360-85-3
| CAS No. | 210360-85-3 |
| Molecular Formula | C17H11NO3 |
| Molecular Weight | 277.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-hydroxy-2-(1H-indol-3-ylmethylidene)-2,3-dihydro-1-benzofuran-3-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-hydroxy-2-(1H-indol-3-ylmethylidene)-2,3-dihydro-1-benzofuran-3-one (CAS 210360-85-3), molecular formula C17H11NO3 and molecular weight 277.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H11NO3, 6-hydroxy-2-(1H-indol-3-ylmethylidene)-2,3-dihydro-1-benzofuran-3-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C17H11NO3 |
| Molecular Weight | 277.27 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2017 |
| Nitrogen Atoms | 1 |
Related hydroxy Standards
- 4-Hydroxy-5-((4-methoxybenzyl)oxy)-1,4-dihydropyridine-2-carboxylic acid (CAS 1632286-08-8)
- 2-(((7-Hydroxy-4-methyl-2-oxo-2H-chromen-8-yl)methyl)(methyl)amino)acetic acid (CAS 54696-41-2)
- Ethyl 4-hydroxy-5,7-dimethoxyquinoline-3-carboxylate (CAS 26893-03-8)
- Ethyl 4-hydroxy-5-methoxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylate (CAS 248282-13-5)
- Methyl 2-(4-hydroxy-1-((5-methylfuran-2-yl)methyl)-2-oxo-1,2-dihydropyridin-3-yl)acetate (CAS 477864-38-3)
- 3-(4-Hydroxy-3-methoxyphenyl)-1-methyltetrahydropyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione (CAS 1005271-00-0)
- N'-hydroxy-6-(3-(3-methylisoxazol-5-yl)propoxy)pyridazine-3-carboximidamide (CAS 1105194-43-1)
- 6-Hydroxy-2-phenyl-2H-pyrazolo[3,4-c]quinolin-4(5H)-one (CAS 1315307-77-7)
Recommended Standards
- 5-[(3-Methoxyphenylamino)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 213699-52-6)
- 7-Formylquinolin-8-ylbenzoate (CAS 936497-79-9)
- 5',5'-Dimethyl-3-oxo-3,4,4',5'-tetrahydro-2'H-spiro[benzo[b][1,4]oxazine-2,3'-furan]-6-carboxylic acid (CAS 2658493-90-2)
- Acridin-1-ol (CAS 5464-73-3)
- 5-Bromo-6-chloro-4-pyrimidone (CAS 89089-19-0)
- (S)-2-((3-Methoxyphenoxy)methyl)morpholine hydrochloride (CAS 55253-30-0)
- Benzo[1,3]dioxol-5-ylmethyl-[2-(2-fluoro-phenyl)-ethyl]-amine (CAS 331970-58-2)
- 2-[(3-Bromophenyl)formamido]ethyl N-(4-chlorophenyl)carbamate (CAS 478066-82-9)
- 5-Amino-N-acetyltryptamine (CAS 393835-65-9)
- [3-(4-Aminophenoxy)phenyl]boronic acid (CAS 2096333-48-9)
- CAS 2260795-82-0 (CAS 2260795-82-0)
- N,N-dibutyl-6-chloro-2-methylpyrimidin-4-amine (CAS 1494639-71-2)
- tert-Butyl ((3R,5S,6R)-6-methyl-2-oxo-5-phenyl-1-(2,2,2-trifluoroethyl)piperidin-3-yl)carbamate (CAS 1456803-36-3)
- Rac1 Inhibitor F56, control peptide (CAS 1315378-77-8)
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