7-Bromo-5-nitroindoline-2,3-dione CAS 922707-27-5
| CAS No. | 922707-27-5 |
| Molecular Formula | C8H3BrN2O4 |
| Molecular Weight | 271.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Bromo-5-nitroindoline-2,3-dione (CAS 922707-27-5), molecular formula C8H3BrN2O4 and molecular weight 271.02 g/mol, is a CATO reference standard with documented purity and traceability.
7-Bromo-5-nitroindoline-2,3-dione (C8H3BrN2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 7-Bromo-5-nitroindoline-2,3-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 | C8H3BrN2O4 |
| Molecular Weight | 271.02 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-5-(difluoromethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1239788-48-7)
- 3-Bromo-2-cyano-6-nitrobenzoic acid (CAS 1805102-49-1)
- 3-Bromo-2-cyano-5-nitrobenzoic acid (CAS 1805190-57-1)
- 3-Bromo-5-cyano-2-nitrobenzoic acid (CAS 1805520-15-3)
- 6-Bromo-2-cyano-3-nitrobenzoic acid (CAS 1805520-19-7)
- 3-Bromo-5-cyano-4-nitrobenzoic acid (CAS 1805572-26-2)
- 5-Bromo-2-cyano-3-nitrobenzoic acid (CAS 1805597-47-0)
- 3-Bromo-2-cyano-4-nitrobenzoic acid (CAS 1806853-39-3)
Recommended Standards
- 6-Bromo-5-nitroindoline-2,3-dione (CAS 667463-68-5)
- 2-Bromo-1-methoxy-3-(trifluoromethoxy)benzene (CAS 1010422-50-0)
- 5-bromo-7-nitroindoline-2,3-dione (CAS 49764-59-2)
- (4-Bromo-3-(trifluoromethoxy)phenyl)methanol (CAS 1011531-67-1)
- 1-Methylcyclohexane-1-sulfinate (sodium) (CAS 2917638-85-6)
- 1-(2-Methyl-6-(trifluoromethyl)pyridin-3-yl)ethan-1-one (CAS 205582-83-8)
- Methyl (4-chloropyridin-2-yl)carbamate (CAS 889676-38-4)
- 3,4-Difluoro-5-methylphenylacetonitrile (CAS 1806289-81-5)
- 8-Bromo-1-methyl-3H-pyridazino[4,5-b]indol-4(5H)-one (CAS 1415653-08-5)
- 5-(Piperidin-1-yl)furan-2-carbaldehyde (CAS 22868-60-6)
- 5-(2,2,2-Trifluoroethoxy)nicotinic acid (CAS 1304787-81-2)
- 4,4,5,5-Tetramethyl-2-(3-(trifluoromethyl)benzyl)-1,3,2-dioxaborolane (CAS 1190235-39-2)
- 1-Ethanesulfonylpyrrolidin-3-ol (CAS 1341353-21-6)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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 18665070610 / Nicole.chen@cato-chem.com