L-Tryptophan methyl ester is an amino acid ester derivative used as an intermediate in pharmaceutical manufacturing. It is commonly employed in peptide synthesis and related research applications.
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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L-Alanine isopropyl ester
pharmaceutical intermediate
9,10-Dioxo Ketotifen
pharmaceutical intermediate
Carbamic acid, ((4-(2-((bis(4-methylphenyl)methyl)amino)-2-oxoethoxy)phenyl)(2,4-dimethoxyphenyl)methyl)-, 9H-fluoren-9-ylmethyl ester
pharmaceutical intermediate
2-cyanoethyl 3-aminocrotonate
pharmaceutical intermediate
4-(Trifluoromethoxy)phenylacetic acid
pharmaceutical intermediate
D-Tryptophan methyl ester hydrochloride
pharmaceutical intermediate
The international HS code for L-Tryptophan methyl ester (CAS 4299-70-1) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
methyl (2S)-2-amino-3-(1H-indol-3-yl)propanoate
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COC(=O)[C@H](CC1=CNC2=CC=CC=C21)N
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