2-Chloro-1,8-bis(m-tolyloxy)anthracene-9,10-dione CAS 61601-44-3
| CAS No. | 61601-44-3 |
| Molecular Formula | C28H19ClO4 |
| Molecular Weight | 454.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1,8-bis(m-tolyloxy)anthracene-9,10-dione (CAS 61601-44-3), molecular formula C28H19ClO4 and molecular weight 454.90 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-1,8-bis(m-tolyloxy)anthracene-9,10-dione (C28H19ClO4) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 454.90 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2-Chloro-1,8-bis(m-tolyloxy)anthracene-9,10-dione 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 | C28H19ClO4 |
| Molecular Weight | 454.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
Related Chloro Standards
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Recommended Standards
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- MK-3903, 98% (HPLC) (CAS 1219737-12-8)
- 5-Bromo-N-(1-methyl-1h-1,2,4-triazol-5-yl)nicotinamide (CAS 1423250-34-3)
- N-(4-amino-2-fluorophenyl)methanesulfonamide (CAS 57164-97-3)
- (6-Bromoimidazo[1,2-a]pyridin-3-yl)-N,N-dimethylmethanamine hydrochloride (CAS 1134570-17-4)
- 5-Methoxy-2,2-dimethyl-2H-chromene-6-carboxylic Acid (CAS 62499-04-1)
- 1,1,1-Trifluoro-5-methoxy-5-methylhexane-2,4-dione (CAS 146195-65-5)
- Methyl 2-formyl-4-methylbenzoate (CAS 63112-98-1)
- 1-Isopropyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 1321594-75-5)
- 2-(5-Amino-[1,3,4]thiadiazol-2-yl)-N-(4-methoxy-phenyl)-acetamide (CAS 878656-32-7)
- 1-(4-(Trifluoromethyl)phenyl)but-3-yn-1-ol (CAS 879496-92-1)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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