Tamsulosin Impurity 31 CAS 4463-59-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4463-59-6 |
| Molecular Formula | C9H11BrO2 |
| Molecular Weight | 231.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tamsulosin Impurity 31 (CAS 4463-59-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C9H11BrO2. Molecular weight: 231.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H11BrO2 |
| Molecular Weight | 231.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
Related Tamsulosin Standards
- Tamsulosin Impurity 18 (CAS CATO-C4X-118718)
- Tamsulosin Impurity 77 (CAS 1510621-28-9)
- Tamsulosin Impurity 16 (CAS 21003-56-5)
- Tamsulosin Impurity 17 (CAS 21003-57-6)
- Tamsulosin Impurity 15 (CAS 92119-04-5)
- Tamsulosin Impurity 19 (CAS 116091-63-5)
- Tamsulosin Impurity 70 (CAS CATO-C4X-118770)
- Tamsulosin Impurity 71 (CAS CATO-C4X-118771)
Recommended Standards
- 5-bromo-1-(1H-imidazol-1-yl)pentan-1-one (CAS 67538-89-0)
- Methoxamine Impurity 25 (CAS CATO-C4X-202225)
- 352637-44-6 6-Bromo-3-cyanopyrazolo[1,5-a]pyrimidine 6-bromopyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 352637-44-6)
- Roxadustat Impurity 59 (CAS CATO-C4X-221359)
- Theophylline impurity 7 (CAS CATO-C4X-18237)
- 81066-72-0 2-tert-Butyl-4,5-dihydro-1H-imidazole MFCD15146541 (CAS 81066-72-0)
- 1,3-Bis(4-bromophenyl)urea (CAS 6341-55-5)
- Tetramisole-D5 hydrochloride (CAS 1173021-85-6)
- 1-(2-Methylpyrrolidin-1-yl)prop-2-en-1-one (CAS 90154-94-2)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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