7-Bromo-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid CAS 16081-71-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16081-71-3 |
| Molecular Formula | C9H7BrO4 |
| Molecular Weight | 259.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Bromo-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid (CAS 16081-71-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7BrO4. Molecular weight: 259.05 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7BrO4 |
| Molecular Weight | 259.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
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Recommended Standards
- 3-(5-Iodopyrimidin-4-yl)prop-2-yn-1-amine (CAS 1503451-41-9)
- 3-Bromo-5-(methoxycarbonyl)benzoic Acid (CAS 161796-10-7)
- 2-Acetoxy-5-bromobenzoic acid (CAS 1503-53-3)
- 2-(Adamantan-1-yl)-2-oxoethyl 2-(methylthio)nicotinate (CAS 454212-29-4)
- 2-(3-Acetylphenoxy)acetonitrile (CAS 959398-94-8)
- Methyl 6-(chlorosulfonyl)-4-cyanopicolinate (CAS 1393570-46-1)
- 4-Bromo-2-fluoro-6-methoxybenzaldehyde (CAS 856767-09-4)
- [Dha7]-Microcystin-LR (NRC Certified Calibration Solution)Concentration: 9.58 μmol/L of dmMCLR in aqueous Methanol (1:1, v/v) (CAS 134842-07-2)
- 5-Ethyl-4-imino-1,3-dimethyl-4,5-dihydro-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 765222-17-1)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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