Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing L-tyrosine?
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L-serine zwitterion
nutritional supplement and flavoring agent
Sourcing L-tyrosine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
L-Tyrosine is a conditionally essential amino acid used by cells to synthesize proteins. It was first discovered in cheese protein by German chemist Justus von Liebig in 1846.
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 L-tyrosine (CAS 60-18-4) is 2922.50.
2922.50
2922 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)-2-amino-3-(4-hydroxyphenyl)propanoic acid
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