Sodium Cromoglicate Impurity 25 CAS 40786-63-8
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 40786-63-8 |
| Molecular Formula | C23H22O9 |
| Molecular Weight | 442.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Sodium Cromoglicate Impurity 25 (CAS 40786-63-8) pharmacopoeial impurity standards reference standard. Molecular formula: C23H22O9. Molecular weight: 442.42 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C23H22O9 |
| Molecular Weight | 442.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Related Sodium Standards
- Sodium Cromoglicate Impurity 14 (CAS CATO-C4X-201114)
- Sodium Cromoglicate Impurity 19 (CAS CATO-C4X-201119)
- Sodium Cromoglicate Impurity 20 (CAS CATO-C4X-201120)
- Sodium Cromoglicate Impurity 18 (CAS CATO-C4X-201118)
- Sodium Cromoglicate Impurity 27 (CAS CATO-C4X-201127)
- Sodium Cromoglicate Impurity 11 (CAS 16110-51-3)
- Sodium Cromoglicate Impurity 3 (CAS CATO-C4X-20113)
- Sodium Cromoglicate Impurity 5 (CAS CATO-C4X-20115)
Recommended Standards
- Doxycycline EP Impurity B (CAS CATO-C4X-19312)
- Oxytetracycline EP Impurity E (CAS 18751-99-0)
- Minocycline Impurity 63 (CAS CATO-C4X-169963)
- Cetirizine EP Impurity F(2HCl) (CAS 83881-54-3)
- Rosuvastatin Impurity 261 (CAS CATO-C4X-1169261)
- 5-(4-fluorophenyl)-4-methylthiophene-2-carboxamide (CAS 1311587-17-3)
- (2-Isopropoxy-2-oxo-ethyl)-triphenyl-phosphonium;chloride (CAS 104718-15-2)
- 2-{[3-(4-chlorophenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]sulfanyl}acetohydrazide (CAS 133764-45-1)
- Bis(trimethylsilyl)peroxide (CAS 17043-05-9)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com