Safety Reference
Danger
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Sourcing ERYTHROMYCIN STEARATE?
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Erythromycin
pharmaceutical raw material
Sourcing ERYTHROMYCIN STEARATE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Erythromycin stearate is a salt form of the macrolide antibiotic erythromycin, used as an active pharmaceutical ingredient in the manufacturing of antibiotic drug products. The compound consists of the erythromycin base complexed with stearic acid, contributing to its formulation and stability characteristics.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for ERYTHROMYCIN STEARATE (CAS 643-22-1) is 2941.50.
2941.50
2941 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione;octadecanoic acid
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