Erythromycin Stearate

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C₃₇H₆₇NO₁₃·C₁₈H₃₆O₂ 1018.40
Erythromycin octadecanoate (salt);
Erythromycin stearate (salt) [643-22-1]

DEFINITION

Erythromycin Stearate is the stearic acid salt of Erythromycin, with an excess of Stearic Acid. The sum of the percentages of erythromycin A, erythromycin B, and erythromycin C is NLT 55.0%, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Erythromycin RS
USP Erythromycin B RS
USP Erythromycin C RS
USP Erythromycin Related Compound N RS
USP Erythromycin Stearate RS

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