Rivastigmine Impurity 44 CAS 1285033-79-5
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1285033-79-5 |
| Molecular Formula | C16H18O3 |
| Molecular Weight | 258.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Rivastigmine Impurity 44 (CAS 1285033-79-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H18O3. Molecular weight: 258.31 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H18O3 |
| Molecular Weight | 258.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| 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.) | 1990 |
Related Rivastigmine Standards
- Rivastigmine Impurity 41 (CAS CATO-C4X-138441)
- Rivastigmine –D6 (Racemic mixture) (CAS 194930-04-6)
- Rivastigmine-d5 (CAS 1133229-22-7)
- Rivastigmine Benzyl Impurity (CAS 1111083-50-1)
- Rivastigmine-d3 (CAS 1133229-21-6)
- Rivastigmine Diethyl Analog (CAS 1230021-34-7)
- Rivastigmine impurity 32 (CAS CATO-C4X-138432)
- Rivastigmine impurity 35 (CAS CATO-C4X-138435)
Recommended Standards
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- H-Gly-Gly-Gly-Gly-Ala-OH (CAS 20347-80-2)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-chlorophenyl)propanoic acid (CAS 678991-65-6)
- N-Ethyl-N-isopropylaniline (CAS 54813-77-3)
- 2-Bromo-6-chloro-3-fluorophenol (CAS 1782417-49-5)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
Why CATO?
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