Ipratropium Impurity 11 CAS 5894-79-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 5894-79-1 |
| Molecular Formula | C10H10O3 |
| Molecular Weight | 178.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ipratropium Impurity 11 (CAS 5894-79-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10O3. Molecular weight: 178.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10O3 |
| Molecular Weight | 178.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Ipratropium Standards
- Ipratropium Impurity 30 (CAS 259092-15-4)
- Ipratropium Impurity 31 (CAS 3423-25-4)
- Ipratropium Bromide Impurity 36 (CAS CATO-C4X-166536)
- Ipratropium Bromide EP Impurity C (CAS 552-63-6)
- Ipratropium Impurity 17 (CAS 17838-69-6)
- Ipratropium Impurity 22 (CAS 3979-14-4)
- Ipratropium Bromide EP Impurity D (CAS 492-38-6)
- Ipratropium Impurity 25 (CAS CATO-C4X-166525)
Recommended Standards
- Bisoprolol Impurity 36 (CAS 14697-49-5)
- Butylphthalide Impurity 12 (CAS 2360-45-4)
- Ibuprofen EP Impurity K (CAS 43153-07-7)
- Famotidine impurity 67 (CAS 77345-71-2)
- Cefathiamidine Impurity 10 (CAS CATO-C4X-133710)
- 2-amino-1-(3,5-dimethylphenyl)ethan-1-ol (CAS 1249418-20-9)
- 2-bromo-3-ethynyl-pyridine (CAS 1028331-32-9)
- (2S)-2-Methyl-5-phenylpyrrolidine (CAS 1860017-96-4)
- (E)-2-(2-((E)-1,3,3-Trimethylindolin-2-ylidene)ethylidene)-3,4-dihydronaphthalen-1(2H)-one (CAS 53704-25-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
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