Erythromycin propionate is a derivative of erythromycin A, specifically the 2'-propanoate ester form. It is the principal form in which the antibiotic erythromycin estolate is absorbed.
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.
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Erythromycin estolate
pharmaceutical raw material
Erythromycin ethylsuccinate
pharmaceutical raw material
Erythromycin EP Impurity L
pharmaceutical raw material
Erythromycin f
pharmaceutical raw material
Aminacrine hydrochloride
pharmaceutical raw material
8-azaguanine
pharmaceutical raw material
Lobeline hydrochloride
pharmaceutical raw material
(−)-ephedrine sulfate
pharmaceutical raw material
The international HS code for Erythromycin propionate (CAS 134-36-1) 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.
[(2S,3R,4S,6R)-4-(dimethylamino)-2-[[(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-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-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-6-methyloxan-3-yl] propanoate
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Sourcing Erythromycin propionate?
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