(2R,3S,4R,5R)-2-(Acetoxymethyl)-6-bromo-5-(1,3-dioxoisoindolin-2-yl)tetrahydro-2H-pyran-3,4-diyl diacetate CAS 70831-94-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70831-94-6 |
| Molecular Formula | C20H20BrNO9 |
| Molecular Weight | 498.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3S,4R,5R)-2-(Acetoxymethyl)-6-bromo-5-(1,3-dioxoisoindolin-2-yl)tetrahydro-2H-pyran-3,4-diyl diacetate (CAS 70831-94-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H20BrNO9. Molecular weight: 498.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H20BrNO9 |
| Molecular Weight | 498.28 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1977 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2R,3R,4S,5R)-2-(6-((4-Amino-3-iodobenzyl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 98866-49-0)
- 6-Chloro-1-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-3-((furan-2-ylmethyl)amino)quinoxalin-2(1H)-one (CAS 303986-19-8)
- 2,2'-(Ethane-1,2-diylbis(sulfanediyl))bis(N-(3,4-dichlorophenyl)acetamide) (CAS 303091-45-4)
- Ethyl pyrrolidine-2-carboxylate hydrochloride (CAS 1569642-87-0)
- 4,6-Dichloro-5-cyclobutyl-pyrimidine (CAS 1706431-08-4)
- Clopidogrel Ethyl Ester Sulfate (CAS 1332612-57-3)
- 3-Bromo-6-propoxypicolinonitrile (CAS 1353777-42-0)
- (1-Methyl-1H-benzoimidazol-2-yl)-pyridin-2-yl-methanone (CAS 1263378-75-1)
- (5-Cyclopropoxy-2-isopropoxypyridin-3-yl)methanamine (CAS 1243322-24-8)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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