Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332
Sourcing Ascomycin?
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Tacrolimus hydrate
pharmaceutical raw material
Sourcing Ascomycin?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Ascomycin, also known as Immunomycin or FR-900520, is an ethyl analog of tacrolimus with strong immunosuppressant properties. It is used as an active pharmaceutical ingredient in research and manufacturing for autoimmune diseases, skin diseases, and organ transplant rejection.
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 Ascomycin (CAS 104987-12-4) is 2934.99.
2934.99
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-17-ethyl-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
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