Tamsulosin EP Impurity H CAS 1329611-47-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1329611-47-3 |
| Molecular Formula | C20H27NO3 |
| Molecular Weight | 329.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tamsulosin EP Impurity H (CAS 1329611-47-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H27NO3. Molecular weight: 329.43 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H27NO3 |
| Molecular Weight | 329.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Tamsulosin Standards
- Tamsulosin Impurity 29 (CAS 136383-33-0)
- Tamsulosin Impurity 47 (CAS CATO-C4X-118747)
- Tamsulosin Impurity 51 (CAS CATO-C4X-118751)
- Tamsulosin Impurity 43 (CAS CATO-C4X-118743)
- Tamsulosin Impurity 13 (CAS 35193-64-7)
- Tamsulosin Impurity 59 (CAS 1073231-99-8)
- Tamsulosin Impurity 60 (CAS 1537178-25-8)
- Tamsulosin Impurity 61 (CAS 2458209-31-7)
Recommended Standards
- 7,7-Dimethyl-2,4-diphenyl-4,6,7,8-tetrahydroquinolin-5(1H)-one (CAS 130716-55-1)
- N,N-diethyl-4-(2,4,6-trimethoxybenzyl)aniline (CAS 134627-68-2)
- 3-Methoxy-4-((7-phenoxyheptyl)oxy)aniline (CAS 110331-06-1)
- Salbutamol Impurity 187 (CAS CATO-C4X-1176187)
- Tolvaptan Impurity 76 (CAS 2458812-63-8)
- 2,2,3,4,4,5,5,6,6,7,8,8,8-Tridecafluoro-3,7-bis(trifluoromethyl)octan-1-ol (CAS 232587-50-7)
- Atropine Impurity 32 (CAS 4438-22-6)
- 1-(Pyridin-2-ylmethyl)-1H-pyrrole-2,5-dione (CAS 6331-16-4)
- (2S,3R)-3-(4-Bromophenyl)pyrrolidine-2-carboxylic acid (CAS 528607-50-3)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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 13829788188 / jacky.chen@cato-chem.com