Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
Sourcing O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine?
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pharmaceutical intermediate
Sourcing O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine?
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This compound is an N-protected serine derivative commonly employed as a building block in solid-phase peptide synthesis. Its structure incorporates a fluorenylmethoxycarbonyl (Fmoc) protecting group on the amino function and a tert-butyl ether protecting group on the side-chain hydroxyl, enabling selective deprotection during peptide chain assembly.
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 O-(tert-Butyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-serine (CAS 71989-33-8) is 2924.29.
2924.29
2924 29 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid
REITVGIIZHFVGU-UHFFFAOYSA-N
CC(C)(C)OCC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13