Bupropion Impurity 21 CAS 2133460-42-9
Purity >70%In StockPharmacopoeial Impurity Standards
| CAS No. | 2133460-42-9 |
| Molecular Formula | C12H14ClNO3S |
| Molecular Weight | 287.76 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Bupropion Impurity 21 (CAS 2133460-42-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H14ClNO3S. Molecular weight: 287.76 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H14ClNO3S |
| Molecular Weight | 287.76 g/mol |
| Purity | >70% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bupropion Standards
- Bupropion Impurity 4 (CAS 1246812-57-6)
- Bupropion Impurity 22 (CAS 2133460-43-0)
- Bupropion Impurity 25 (CAS CATO-C4X-120325)
- Bupropion Impurity 31 (CAS CATO-C4X-120331)
- Bupropion Impurity 16 (CAS 76650-08-3)
- Bupropion Impurity 9 (CAS 103175-61-7)
- Bupropion Impurity 20 (CAS 1261791-08-5)
- Bupropion Impurity 15 (CAS 92821-91-5)
Recommended Standards
- Methyl 2-(3-chloropropanamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 551910-46-4)
- Methyl 2-(2-chloroacetamido)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 300559-61-9)
- Trimethyllead Chloride (CAS 1520-78-1)
- Furosemide Impurity 48 Sodium Salt (CAS 133989-65-8（free base）)
- Ilaprazole Impurity 50 (CAS 2285346-38-3 (free base))
- 5-oxaspiro[2.5]octan-4-one (CAS 22566-31-0)
- N-(2-aminobenzyl)-1-benzylpiperidin-4-amine (CAS 79099-03-9)
- (6-Chloro-2-fluoropyridin-3-yl)methanamine (CAS 1379379-36-8)
- Ramelteon Impurity 25 HCI (CAS 1174496-11-7)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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