1,1'-(2,3-Dihydrodibenzo[f,h]quinoxaline-1,4-diyl)bis(2-chloroethanone) CAS 6687-75-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6687-75-8 |
| Molecular Formula | C20H16Cl2N2O2 |
| Molecular Weight | 387.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(2,3-Dihydrodibenzo[f,h]quinoxaline-1,4-diyl)bis(2-chloroethanone) (CAS 6687-75-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H16Cl2N2O2. Molecular weight: 387.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H16Cl2N2O2 |
| Molecular Weight | 387.26 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 sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dihydrodibenzo Standards
- 5-Phenyl-5,10-dihydrodibenzo[2,3:6,7]azepino[4,5-b]indole (CAS 1799295-84-3)
- 11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl benzoate (CAS 866156-25-4)
- Trans-1,2-dihydrodibenzo[a,j]acridine-1,2-diol (CAS 105467-75-2)
- 11-Oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylic acid 5,5-dioxide (CAS 656814-69-6)
- N-(6,11-Dihydrodibenzo[b,e]thiepin-11-yl)-4-(4-(4-fluorophenyl)piperazin-1-yl)butanamide (CAS 103377-41-9)
- 2-(11-Oxo-6,11-dihydrodibenzo[b,e]thiepin-3-yl)acetic acid (CAS 61220-69-7)
- 11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl methylcarbamate (CAS 866156-24-3)
- 6,13-Dihydrodibenzo[b,i]phenazine (CAS 10350-06-8)
Recommended Standards
- (E)-6-(p-tolyloxy)nicotinaldehyde O-(2,4-dichlorobenzyl) oxime (CAS 338966-90-8)
- 1-[(2,6-Dichlorophenyl)methyl]-N-methyl-6-oxo-N-phenyl-1,6-dihydropyridine-3-carboxamide (CAS 478065-99-5)
- (E)-2-(p-tolyloxy)nicotinaldehyde O-(3,4-dichlorobenzyl) oxime (CAS 478030-92-1)
- 2-(4-Chlorophenoxy)-1-methyl-1H-indole-3-carbaldehyde (CAS 338416-66-3)
- 2h,3h-Thieno[3,4-b][1,4]dioxine-5-carbonitrile (CAS 859851-02-8)
- Salicylic Acid Impurity 22 (CAS CATO-C4X-190222)
- 2-Mercaptoethanol-1,1,2,2-d4 (CAS 284474-53-9)
- 2-[hydroxy(thiophen-2-yl)methyl]butanenitrile (CAS 1537813-35-6)
- 4-(2-Aminoethyl)-3,4-dimethyl-1H-pyrazol-5(4H)-one (CAS 933704-44-0)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
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