Safety Reference
Warning
H302Harmful if swallowed
Sourcing 3-Isobutyl-1-methylxanthine?
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Sourcing 3-Isobutyl-1-methylxanthine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3-Isobutyl-1-methylxanthine is a methylated xanthine derivative that functions as a potent cyclic nucleotide phosphodiesterase inhibitor. It is structurally related to 7H-xanthine and exists as a tautomer of 3-isobutyl-1-methyl-9H-xanthine.
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 3-Isobutyl-1-methylxanthine (CAS 28822-58-4) is 2933.59.
2933.59
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
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