2,7-Dichloroanthracene-9,10-dione CAS 605-43-6
| CAS No. | 605-43-6 |
| Molecular Formula | C14H6Cl2O2 |
| Molecular Weight | 277.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,7-Dichloroanthracene-9,10-dione (CAS 605-43-6), molecular formula C14H6Cl2O2 and molecular weight 277.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H6Cl2O2, 2,7-Dichloroanthracene-9,10-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,7-Dichloroanthracene-9,10-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H6Cl2O2 |
| Molecular Weight | 277.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Dichloroanthracene Standards
- 1,2-Dichloroanthracene-9,10-dione (CAS 1594-46-3)
- 1,7-Dichloroanthracene-9,10-dione (CAS 1594-69-0)
- 1,6-Dichloroanthracene-9,10-dione (CAS 727-51-5)
- 2,3-Dichloroanthracene-9,10-dione (CAS 84-45-7)
- 2,6-Dichloroanthracene-9,10-dione (CAS 605-40-3)
- 1,8-Dichloroanthracene (CAS 14381-66-9)
- 1,4-Dichloroanthracene (CAS 66259-12-9)
- 2,3-Dichloroanthracene (CAS 613-07-0)
Recommended Standards
- 2-tert-butyl-5-iodopyridin-4-ol (CAS 2092475-20-0)
- 3-(2,6-Dichlorophenyl)pentanedioic acid (CAS 371981-21-4)
- 2-(tert-Butoxy)-6-iodopyridine (CAS 949160-18-3)
- 3-bromo-6-methanesulfinyl-1H,4H,7H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 96555-39-4)
- (3-Chloro-5-fluoropyridin-2-yl)methanamine (CAS 1211578-98-1)
- 5-(3,5-Dimethoxyphenyl)-3-oxopentanenitrile (CAS 1000895-54-4)
- 2-oxopentanoic acid (CAS 1821-02-9)
- 8-Oxo-8-(4-trifluoromethylphenyl)octanenitrile (CAS 898783-74-9)
- 4-Bromo-2-(bromomethyl)benzoic acid (CAS 632340-57-9)
- Mecamylamine Related Compound A (CAS 22321-23-9)
- 3,3'-Methylenebis(2-hydroxybenzoic acid) (CAS 5578-67-6)
- [2-(4-chlorophenyl)ethyl](cyano)amine (CAS 1247372-60-6)
- 5,5'-Dibromo-8,8'-biquinoline (CAS 1148152-49-1)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
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