6-Oxo-7,8,9,10-tetrahydro-6H-benzo[c]chromen-3-yl benzoate CAS 328022-19-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328022-19-1 |
| Molecular Formula | C20H16O4 |
| Molecular Weight | 320.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Oxo-7,8,9,10-tetrahydro-6H-benzo[c]chromen-3-yl benzoate (CAS 328022-19-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16O4. Molecular weight: 320.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16O4 |
| Molecular Weight | 320.34 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.) | 2025 |
Related Oxo Standards
- 4-Oxo-4-(3-{[(tetrahydro-2-furanylmethyl)amino]-carbonyl}anilino)butanoic acid (CAS 940538-91-0)
- 3,4-Bis[(tetrahydro-2H-pyran-2-yl)oxy]benzeneacetaldehyde (CAS 582289-85-8)
- 4,4′,5,5′-Tetrahydro-4,4′-bis(phenylmethyl)-2,2′-bioxazole (CAS 220184-93-0)
- 1-(1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)-3-(thiophen-2-ylmethyl)urea (CAS 1706077-11-3)
- 5,6,7,8-Tetrahydro-N-[3-oxo-3-(1-pyrrolidinyl)propyl]-4H-cyclohepta[b]thiophene-2-carboxamide (CAS 1061503-78-3)
- 2-(4,5,6,7-Tetrahydro-2H-indazol-2-yl)acetic acid (CAS 6126-03-0)
- (E)-2,3,4,9-tetrahydro-1H-carbazol-1-one O-phenylcarbamoyl oxime (CAS 860612-29-9)
- Tetrahydro-1,1-dioxido-3-thienyl 4-nitrobenzenesulfonate (CAS 62671-90-3)
Recommended Standards
- 6-Ethyl-4-(7-methoxybenzofuran-2-yl)-2H-chromen-2-one (CAS 637753-46-9)
- 8-Allyl-2-((3-hydroxyphenyl)imino)-2H-chromene-3-carboxamide (CAS 898499-91-7)
- Anhydrotuberosin (CAS 41347-49-3)
- 6-Morpholino-2-(2-(pyridin-2-yloxy)ethoxy)pyrimidine-4,5-diamine (CAS 682337-88-8)
- 1-[5,7-bis(trifluoromethyl)[1,8]naphthyridin-2-yl]tetrahydro-4(1H)-pyridinone O-benzyloxime (CAS 400087-99-2)
- 2-Phenylpyrimidine-5-carbothioamide (CAS 1305711-22-1)
- (2-Methoxyphenyl)(2-((3-methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851803-23-1)
- N-((1-(sec-Butyl)-1H-pyrazol-5-yl)methyl)-1-(2-fluoroethyl)-1H-pyrazol-4-amine hydrochloride (CAS 1856090-82-8)
- N-(2-(1H-Imidazol-1-yl)pyrimidin-5-yl)-2-phenoxyacetamide (CAS 1421493-78-8)
- [Tyr0] Fibrinopeptide A, human (CAS 103226-11-5)
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 13829788188 / jacky.chen@cato-chem.com