8,9-Dihydro-5H-benzo[7]annulen-7(6H)-one CAS 37949-03-4
| CAS No. | 37949-03-4 |
| Molecular Formula | C11H12O |
| Molecular Weight | 160.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 8,9-Dihydro-5H-benzo[7]annulen-7(6H)-one.
CATO supplies 8,9-Dihydro-5H-benzo[7]annulen-7(6H)-one (CAS 37949-03-4), a certified reference material (molecular formula C11H12O, MW 160.21 g/mol) for analytical method development and quality control.
The molecular framework of 8,9-Dihydro-5H-benzo[7]annulen-7(6H)-one (C11H12O) is characterized by a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 8,9-Dihydro-5H-benzo[7]annulen-7(6H)-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 | C11H12O |
| Molecular Weight | 160.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Related Dihydro Standards
- 3,4-Dihydro-1h-spiro[naphthalene-2,2'-oxirane] (CAS 1407546-53-5)
- 1-(2,3-Dihydro-1H-inden-2-yl)ethanone (CAS 33982-85-3)
- 1-(2,3-Dihydro-1H-inden-4-yl)ethanone (CAS 38997-97-6)
- 1-(2,3-Dihydro-1H-inden-5-yl)ethan-1-one (CAS 4228-10-8)
- 1-Methyl-2,3-dihydro-1H-indene-1-carbaldehyde (CAS 39891-50-4)
- 2-Ethyl-2,3-dihydro-1H-inden-1-one (CAS 22351-56-0)
- 2-Methyl-2,3-dihydro-1h-indene-2-carbaldehyde (CAS 878612-18-1)
- 3,4-Dihydro-2H-spiro[naphthalene-1,2'-oxirane] (CAS 51605-29-9)
Recommended Standards
- 7-Methyl-3,4-dihydronaphthalen-2(1H)-one (CAS 31706-56-6)
- 8-Hydroxyoctanoic acid (CAS 764-89-6)
- 7-Methyl-3,4-dihydronaphthalen-1(2H)-one (CAS 22009-37-6)
- 8-Methyl-1-tetralone (CAS 51015-28-2)
- 3-(2-Hydroxyethyl)piperazine-2,5-dione (CAS 101080-13-1)
- N-(3-bromo-5-fluorobenzyl)ethanamine (CAS 1094484-95-3)
- (3S,4R)-1-tert-Butyl 3-methyl 4-(6-Bromo-5-pival-amidopyridin-3-yl)pyrrolidine-1,3-dicarboxylate (CAS 1420780-27-3)
- Cyproterone Acetate-D3 (CAS 427-51-0 (non-labelled))
- (2R,3S,4S,5R)-2-(2,6-Diamino-9H-purin-9-yl)-4-fluoro-5-(hydroxymethyl)tetrahydrofuran-3-ol (CAS 125391-75-5)
- 2-Chloroethyl (3-nitrophenyl)carbamate (CAS 98993-59-0)
- 2-(Quinolin-3-yl)propanoic acid (CAS 1247842-46-1)
- 4-Amino-1,2,5-oxadiazole-3-carboxamide (CAS 13300-88-4)
- (S)-1-(Furan-2-yl)-2-hydroxypropan-1-one (CAS 287716-26-1)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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