5-Bromo-4-chloro-7-methoxyindoline-2,3-dione CAS 3028-61-3
| CAS No. | 3028-61-3 |
| Molecular Formula | C9H5BrClNO3 |
| Molecular Weight | 290.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Bromo-4-chloro-7-methoxyindoline-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.
5-Bromo-4-chloro-7-methoxyindoline-2,3-dione (CAS 3028-61-3) is a high-purity analytical reference standard with the molecular formula C9H5BrClNO3 and a molecular weight of 290.50 g/mol.
Structurally, 5-Bromo-4-chloro-7-methoxyindoline-2,3-dione (C9H5BrClNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 290.50 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5BrClNO3 |
| Molecular Weight | 290.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- (4E)-4-[(5-Bromo-2-furyl)methylene]-3-(chloromethyl)isoxazol-5(4H)-one 1142199-66-3 (CAS 1142199-66-3)
- Methyl 3-bromo-8-chloroimidazo[1,2-a]pyrazine-2-carboxylate (CAS 1418287-77-0)
- 3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 2092272-75-6)
- 4-Bromo-5-chloro-6-methyl-3-nitro-1H-indazole (CAS 2653202-62-9)
- 6-Bromo-2-(chloromethyl)-3-nitroimidazo[1,2-a]pyridine (CAS 708213-35-8)
- Methyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-5-carboxylate (CAS 2092187-30-7)
- 1-(4-Bromo-2-fluorophenyl)-4-(chloromethyl)-1H-1,2,3-triazole (CAS 1248106-78-6)
- 1-(2-Bromo-4-fluorophenyl)-4-(chloromethyl)-1H-1,2,3-triazole (CAS 1249862-11-0)
Recommended Standards
- 1,1′-Sulfonylbis[octane] (CAS 7726-20-7)
- POE (12) tert-dodecylmercaptoethanol (CAS 9004-83-5)
- Bis(trimethylsilyl) adipate (CAS 18105-31-2)
- 2,3-Dichloro-5-nitrobenzene-1-sulfonyl chloride (CAS 1247801-40-6)
- Ethyl 1-((1-methyl-1h-pyrazol-4-yl)methyl)piperidine-3-carboxylate (CAS 1172352-99-6)
- 4-Isopropoxypiperidine (CAS 43139-18-0)
- 7-Chloro-3-(pyridin-3-ylmethyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 451465-72-8)
- n-(2-Hydroxyethyl)piperidine-1-carboxamide (CAS 1483290-17-0)
- tert-Butyl 4-(2-oxoethyl)-4-phenylpiperidine-1-carboxylate (CAS 716358-35-9)
- 1-Bromo-4-(tert-butoxy)butane (CAS 69775-78-6)
- Pyridine-4-sulfinic acid (CAS 101084-78-0)
- (S)-2-Amino-1-((S)-2-((isopropyl(methyl)amino)methyl)pyrrolidin-1-yl)-3-methylbutan-1-one (CAS 1401668-17-4)
- 4-(Phenylsulfanyl)-5-[(phenylsulfanyl)methyl]-2-pyrimidinamine (CAS 338975-32-9)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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