Lubiprostone Impurity 18 CAS 201226-21-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 201226-21-3 |
| Molecular Formula | C20H32F2O5 |
| Molecular Weight | 390.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lubiprostone Impurity 18 (CAS 201226-21-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H32F2O5. Molecular weight: 390.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H32F2O5 |
| Molecular Weight | 390.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, keep sealed and dry |
| 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.) | 2014 |
| Halogen Content | F-containing |
Related Lubiprostone Standards
- Lubiprostone (CAS 136790-76-6/333963-40-9)
- Lubiprostone Impurity 3 (CAS 1263283-38-0)
- Lubiprostone Impurity 30 (CAS 2743427-14-5)
- Lubiprostone Impurity 31 (CAS CATO-C4X-113631)
- Lubiprostone Impurity 32 (CAS CATO-C4X-113632)
- Lubiprostone Impurity 33 (CAS CATO-C4X-113633)
- Lubiprostone Impurity 35 (CAS 1808535-45-6 (Cyclo Form))
- Lubiprostone Impurity 40 (CAS CATO-C4X-113640)
Recommended Standards
- Sildenafil Impurity 76 (CAS CATO-C4X-112876)
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-5,6-dimethyl-2-(pyridin-3-yl)thieno[2,3-d]pyrimidin-4-amine (CAS 796052-04-5)
- N-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-4-((2-methylpiperidin-1-yl)sulfonyl)benzamide (CAS 850935-88-5)
- Glycine Impurity 6 (CAS CATO-C4X-33366)
- Exemestane Impurity 19 (CAS CATO-C4X-164119)
- Methyl 3-hydroxy-4-methoxy-2-nitrobenzoate (CAS 90564-40-2)
- 1-((5-Bromo-2-methoxyphenyl)sulfonyl)-4-methylpiperazine (CAS 325809-71-0)
- EThyl 3-[(4-nitrophenyl)formamido]propanoate (CAS 172899-47-7)
- 3-(3-Bromo-2-fluorophenyl)propanoic acid (CAS 1261814-91-8)
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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