5,8-Dibromo-2-(3-hydroxyquinolin-2-yl)-1H-cyclopenta[b]naphthalene-1,3(2H)-dione CAS 68133-02-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 68133-02-8 |
| Molecular Formula | C22H11Br2NO3 |
| Molecular Weight | 497.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,8-Dibromo-2-(3-hydroxyquinolin-2-yl)-1H-cyclopenta[b]naphthalene-1,3(2H)-dione (CAS 68133-02-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H11Br2NO3. Molecular weight: 497.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H11Br2NO3 |
| Molecular Weight | 497.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 3,4-Dibromo-1-trityl-1H-pyrrole-2,5-dione (CAS 160989-35-5)
- 6,8-Dibromo-3-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-2-methylquinoline (CAS 861210-77-7)
- 2,4-Dibromo-6-{[(5-iodo-3-methylpyridin-2-yl)amino]methyl}phenol (CAS 672949-84-7)
- 5,5′-Dibromo-3,3′-bis(pentyloxy)-2,2′-bithiophene (CAS 1404166-45-5)
- 4,9-Dibromo-6,7-diphenyl-[1,2,5]thiadiazolo[3,4-g]quinoxaline (CAS 1262727-09-2)
- 4-((3,5-Dibromo-2-hydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497922-03-9)
- N-(2,6-Dibromo-4-methoxyphenyl)-4-(2-methylimidazo[1,2-a]pyrimidin-3-yl)thiazol-2-amine (CAS 315704-66-6)
- 2-(6,8-Dibromo-2-methyl-4-oxo-1-phenyl-1,2-dihydroquinazolin-3(4H)-yl)ethyl 2-aminoacetate (CAS 110022-76-9)
Recommended Standards
- Ioxynil-Octanoate (CAS 3861-47-0)
- (5-(5-((2,4-Dichlorophenoxy)methyl)-1,3,4-oxadiazol-2-yl)-1-methyl-1H-pyrrol-3-yl)(2,4-dichlorophenyl)methanone (CAS 338395-72-5)
- 4-Iodo-N-(4-iodophenyl)-N-phenylaniline (CAS 218909-60-5)
- N-Benzyl-N-isopropylpiperidin-3-amine (CAS 1353984-01-6)
- 3-Oxocyclohexane-1-carbonitrile (CAS 17983-30-1)
- tert-Butyl n-[cyano(3,4-dichlorophenyl)methyl]carbamate (CAS 1148027-13-7)
- Ethanolamine Impurity 7 DiHCl (CAS 326888-32-8)
- 5-Bromo-N,N-diethyl-4-methyl-2-pyridinamine (CAS 1220027-63-3)
- Hydroxy Pioglitazone (M-IV) ß-D-Glucuronide (CAS 625853-76-1)
- Osteoblast Activating Peptide (mouse, rat) (H-7262.0500) (CAS 1222950-80-2)
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