Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
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Hoxd13
pharmaceutical intermediate
Sourcing SPDP?
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SPDP is a heterobifunctional crosslinking reagent used in biochemical research. It contains an amine-reactive N-hydroxysuccinimide ester and a pyridyldithiol group that reacts with thiols, enabling the conjugation of proteins and other molecules.
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 SPDP (CAS 68181-17-9) is 2933.39.
2933.39
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2,5-dioxopyrrolidin-1-yl) 3-(pyridin-2-yldisulfanyl)propanoate
JWDFQMWEFLOOED-UHFFFAOYSA-N
C1CC(=O)N(C1=O)OC(=O)CCSSC2=CC=CC=N2