Erythromycin 4’- CAS 200802-92-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 200802-92-2 |
| Molecular Formula | C36H65NO13 |
| Molecular Weight | 719.90 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Erythromycin 4’- (CAS 200802-92-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C36H65NO13. Molecular weight: 719.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C36H65NO13 |
| Molecular Weight | 719.90 g/mol |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 1 |
Related Erythromycin Standards
- Erythromycin EP Impurity B (CAS 992-62-1)
- Erythromycin C (CAS 1675-02-1)
- Erythromycin thiocyanate impurity B reduced derivative (CAS CATO-C4X-100166)
- Erythromycin C reduced derivatives (CAS CATO-C4X-100169)
- Erythromycin B (CAS 527-75-3)
- Erythromycin C rearranged derivatives (CAS CATO-C4X-100171)
- Erythromycin thiocyanate impurity B rearranged derivative (CAS CATO-C4X-100174)
- Erythromycin EP Impurity E (CAS 33396-29-1)
Recommended Standards
- Azithromycin EP Impurity N (CAS 612069-25-7)
- CAS 2049025-59-2 (CAS 2049025-59-2)
- Argatroban Impurity 114 (CAS CATO-C4X-1007114)
- Lurbinectedin Impurity 35 (CAS CATO-C4X-311435)
- Abemaciclib Impurity 30 DiHCl (CAS 2124229-65-6 (free base))
- 2,6-Diaminohexan-1-ol (CAS 25441-01-4)
- trans-5-(4-Chlorobutyl)-1-[4-(phenylmethoxy)cyclohexyl]-1H-tetrazole (CAS 98454-50-3)
- Moxonidine impurity 5 (CAS CATO-C4X-27815)
- 2-Chloro-4-(morpholin-4-yl)-6-(2,2,2-trifluoroethoxy)-1,3,5-triazine (CAS 1283693-68-4)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com