2-Chloro-1,5-bis(m-tolyloxy)anthracene-9,10-dione CAS 61601-43-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61601-43-2 |
| Molecular Formula | C28H19ClO4 |
| Molecular Weight | 454.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1,5-bis(m-tolyloxy)anthracene-9,10-dione (CAS 61601-43-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H19ClO4. Molecular weight: 454.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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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- 2-Chloro-1,8-bis(m-tolyloxy)anthracene-9,10-dione (CAS 61601-44-3)
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Recommended Standards
- Sitaxsentan (CAS 184036-34-8)
- MK-3903, 98% (HPLC) (CAS 1219737-12-8)
- Ethyl 7-(bis(tert-butoxycarbonyl)amino)-5-chloro-6-methylpyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 2271471-16-8)
- N-(2-(Dimethylamino)ethyl)-2-phenylbenzo[d]oxazole-4-carboxamide (CAS 131862-20-9)
- 5-(Difluoromethyl)-6-iodopyridine-2,4-diamine (CAS 1806805-53-7)
- Methyl 3-(2-{[2-(3-methylbenzamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate (CAS 477887-63-1)
- 3-Amino-3-(5-(4-chlorophenyl)furan-2-yl)propanoic acid (CAS 773125-84-1)
- 2-Allyl-4-chloro-1-ethoxybenzene (CAS 855394-29-5)
- 7-Amino-3-chloro-2-methyl-5-(methylsulfonyl)pyrazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 2798826-03-4)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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