4-Methyl-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one CAS 2166901-93-3
| CAS No. | 2166901-93-3 |
| Molecular Formula | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Methyl-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-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.
4-Methyl-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (CAS 2166901-93-3), molecular formula C13H15NO2 and molecular weight 217.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methyl-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (C13H15NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. 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 217.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 7-Methyl-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (CAS 1697929-45-5)
- 2′,3′,5′,6′-Tetrahydrospiro[2H-1-benzopyran-2,4′-[4H]pyran]-4(3H)-one (CAS 954422-16-3)
- (2',3',5',6'-Tetrahydrospiro[indoline-3,4'-pyran]-5-yl)methanamine (CAS 1373028-55-7)
- 6,7,8,9-Tetrahydrospiro[benzo[7]annulene-5,3'-piperidine] (CAS 1342594-49-3)
- (2',3',5',6'-Tetrahydrospiro[indoline-3,4'-pyran]-5-yl)methanol (CAS 1373028-39-7)
- 2',3',4',9'-Tetrahydrospiro[oxetane-3,1'-pyrido[3,4-b]indole] (CAS 1523558-63-5)
- 1',4',6',7'-Tetrahydrospiro[cyclopentane-1,5'-indazole]-3'-carboxylic acid (CAS 1600487-91-9)
- Ethyl 1',4',6',7'-tetrahydrospiro[cyclopropane-1,5'-indazole]-3'-carboxylate (CAS 2102412-29-1)
Recommended Standards
- 4-methoxyspiro[cyclopentane-1,3-indolin]-2-one (CAS 93831-00-6)
- 5-(2-Methoxy-2-phenylethyl)-3-methylisoxazole (CAS 61449-15-8)
- 4-Isobutyl-2-phenyloxazol-5(4H)-one (CAS 25163-98-8)
- 5-(4-Butoxyphenyl)isoxazole (CAS 502651-54-9)
- 5-Iodo-4-methoxy-2-methyl-6-(trifluoromethyl)pyrimidine (CAS 792934-97-5)
- 4-(4-Ethylphenyl)-2-hydrazono-5-methyl-2,3-dihydrothiazole (CAS 886494-55-9)
- 6-bromo-8-chloro-imidazo[1,2-a]pyridine (CAS 474708-88-8)
- Gefitinib Impurity 52 (CAS CATO-C4X-111752)
- 2-(Pyridin-2-yl)-6,7-dihydro-5H-pyrrolo[1,2-a]imidazole (CAS 408498-42-0)
- 2-(Methylamino)-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one hydrochloride (CAS 1220036-60-1)
- 3-(Ethoxymethyl)pyrrolidine (CAS 946727-50-0)
- 1,3-Benzenedicarboxylic acid, polymer with ethenylbenzene, 2,5-furandione, 2,2'-oxybis[ethanol] and 1,2-propanediol (CAS 67859-89-6)
- 1,1-Dimethylethyl 5-bromo-3,3-dimethyl-4-oxo-1-piperidinecarboxylate (CAS 1399183-67-5)
- Peptide Impurity 34 (CAS 21282-09-7)
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