Erythromycin stearate

硬脂酸红霉素

Also known as: Erythromycin Stearate USP, Erythromycin Stearate EP, Eryprim, MFCD00084690, EINECS 211-396-1, oe7, pfizer-e, qidmycin, sk-erythromycin, Heptadecanoic acid - (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-{[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-14-ethyl-7,12,13-trihydroxy-4-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione (1:1)

Erythromycin stearate (CAS 643-22-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C55H103NO15 and a molecular weight of 1004.377 g/mol. It is also known as Erythromycin Stearate USP, Erythromycin Stearate EP and Eryprim. Key properties include a melting point of 77-79ºC, a density of 1.112g/cm3 and a flash point of 523.101ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

643-22-1

Jingsj CID

J-25405-6

Molecular Formula

C₅₅H₁₀₃NO₁₅

Chinese Name

硬脂酸红霉素

Molecular Weight

1004.377 g/mol

Category

Organic Acids

Last updated

8/21/2026