LY 267108
- CAS NO.：105882-69-7
- Empirical Formula: C37H65NO12
- Molecular Weight: 715.91
- MDL number: MFCD09841212
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-18 08:49:11
What is LY 267108?
Chemical properties
White Solid
The Uses of LY 267108
Erythromycin impurity.
The Uses of LY 267108
Pseudoerythromycin A enol ether is a degradation product of erythromycin formed by a complex internal rearrangement of erythromycin A on exposure to neutral to weakly alkaline conditions. The C6–OH forms an internal enol ether with the C9 ketone of erythromycin, while the C11-OH attacks the carbonyl of the lactone to reduce the macrocycle from a 14- to an 11-membered macrolide. Synthetically, pseudoerythromycin A enol ether is prepared by reacting erythromycin enol ether with carbonate. Pseudoerythromycin A enol ether is devoid of antibiotic activity but is an important analytical standard for erythromycin A stability studies.
The Uses of LY 267108
Pseudo Erythromycin A Enol Ether (Erythromycin EP Impurity F) is an Erythromycin impurity.
What are the applications of Application
Pseudoerythromycin A enol ether is an analytical standard for erythromycin A stability studies
Properties of LY 267108
| Melting point: | 127.0-130.0 °C |
| Boiling point: | 810.7±65.0 °C(Predicted) |
| Density | 1.20±0.1 g/cm3(Predicted) |
| storage temp. | −20°C |
| solubility | DMF: Soluble; DMSO: Soluble; Ethanol: Soluble; Methanol: Soluble |
| form | neat |
| pka | 13.45±0.70(Predicted) |
Safety information for LY 267108
Computed Descriptors for LY 267108
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