Safety Reference
Warning
H302Harmful if swallowed
Sourcing D-cysteine?
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1-Methylpropylmagnesium bromide
research compound
Sourcing D-cysteine?
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D-cysteine is an optically active form of cysteine with a D-configuration. As a research reagent, it is used in laboratory studies involving stereochemistry and peptide synthesis.
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 D-cysteine (CAS 921-01-7) is 2930.90.
2930.90
2930 90 13
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-sulfanylpropanoic acid
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