4-Bromo-7-methoxyindoline-2,3-dione CAS 67303-38-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67303-38-2 |
| Molecular Formula | C9H6BrNO3 |
| Molecular Weight | 256.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-7-methoxyindoline-2,3-dione (CAS 67303-38-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H6BrNO3. Molecular weight: 256.05 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H6BrNO3 |
| Molecular Weight | 256.05 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-bromoÂmethyl-5-nitroÂbenzÂofuran (CAS 118679-18-8)
- 5-Bromo-2-oxoindoline-7-carboxylic acid (CAS 1225692-82-9)
- 7-Bromo-4-nitro-2,3-dihydro-1H-inden-1-one (CAS 1260018-07-2)
- 6-Bromo-7-methoxyindoline-2,3-dione (CAS 126480-31-7)
- 5-Bromo-4-methoxyindoline-2,3-dione (CAS 130420-76-7)
- 6-Bromo-5-methoxyindoline-2,3-dione (CAS 130420-78-9)
- 5-Bromo-6-methoxyindoline-2,3-dione (CAS 130420-85-8)
- 5-Bromo-7-methoxyindoline-2,3-dione (CAS 1360955-43-6)
Recommended Standards
- 4-(Cyclopentyloxy)-3,5-difluoro-2-methylphenylboronic acid (CAS 2096336-27-3)
- 4-Bromo-benzooxazole-2-carboxylic acid methyl ester (CAS 954239-74-8)
- 3-Amino-6-bromobenzofuran-2-carboxylic acid (CAS 887246-19-7)
- 2-Chloro-1-(1,2,5-oxadiazol-3-yl)ethanone (CAS 1803581-79-4)
- 3-((2-Chloropyrimidin-4-yl)oxy)benzaldehyde 1086378-94-0 (CAS 1086378-94-0)
- 2-(Aminomethyl)bi(cyclopropane)-2-carboxylic acid (CAS 724772-99-0)
- 7-Chloro-4-hydroxy-6-methoxyquinoline-3-carbohydrazide (CAS 1315352-65-8)
- 4-chloro-6-iodoquinazoline (CAS 98556-31-1)
- 4-Nitropyrimidin-2-amine (CAS 501656-60-6)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
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