8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 1-Oxide CAS 133330-59-3
| CAS No. | 133330-59-3 |
| Molecular Formula | C14H10ClNO2 |
| Molecular Weight | 259.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 1-Oxide (CAS 133330-59-3), a certified reference material (molecular formula C14H10ClNO2, MW 259.69 g/mol) for analytical method development and quality control.
Structurally, 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 1-Oxide (C14H10ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 259.69 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 1-Oxide 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 | C14H10ClNO2 |
| Molecular Weight | 259.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 3-Chloro-4-(imidazo[1,2-a]pyridin-7-yloxy)aniline (CAS 1033810-67-1)
- n-(2-Chloro-4,5-dimethoxyphenyl)-2-methoxyacetamide (CAS 1119248-47-3)
- 3-(2-Chloro-7-methylquinolin-3-yl)-5-methyl-1,2,4-oxadiazole (CAS 1142201-75-9)
- 5-Chloro-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine (CAS 1201785-05-8)
- 2-Chloro-N-(2,4,6-trimethoxyphenyl)acetamide (CAS 1245796-20-6)
- 4-Chloro-2-(3-methoxyphenyl)pyrazolo[1,5-a]pyrazine (CAS 1255783-50-6)
- 4-Chloro-4'-hydroxy-3'-methoxy-[1,1'-biphenyl]-3-carbonitrile (CAS 1261901-36-3)
- 5-Chloro-3-phenyl-3,4-dihydropyrido[2,3-d]pyrimidin-2(1H)-one (CAS 1265634-97-6)
Recommended Standards
- 6-Chloro-2-methoxyacridin-9(10H)-one (CAS 13161-87-0)
- 4-Chloro-2-(2-methoxyphenyl)pyrazolo[1,5-a]pyrazine (CAS 1338664-77-9)
- 8-Chlorocarbazole-1-acetic Acid (CAS 131023-44-4)
- 4-(6-Chlorooxazolo[5,4-b]pyridin-2-yl)-2-methylaniline (CAS 1354751-09-9)
- 2-Methoxy-4-methyl-6-(prop-2-en-1-yl)phenol (CAS 77879-82-4)
- 4-(1-methyl-1H-1,2,4-triazol-5-yl)benzoic acid (CAS 1067613-97-1)
- 6-Iodo-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene (CAS 166322-31-2)
- (S)-1,3,5-Trimethyl-4-(pyrrolidin-3-yloxy)-1H-pyrazole (CAS 1956435-72-5)
- Ethyl 3-amino-2,2-dimethylbutanoate (CAS 1350712-25-2)
- 4-Bromo-N-(tert-butyl)-2-fluorobenzenesulfonamide (CAS 1355680-54-4)
- 2-(difluoromethyl)-1H-benzimidazol-4-ol (CAS 1336890-16-4)
- 2-((2-(Hydroxymethyl)pyrrolidin-1-yl)methyl)benzonitrile (CAS 741705-99-7)
- 1-(Benzyloxy)-3,4-dibromo-2-fluorobenzene (CAS 1881295-70-0)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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