PIPES is a zwitterionic Good's buffer substance with a pKa of 6. 8 at 20°C, commonly used in biological and biochemical research to maintain stable pH conditions.
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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Hydroxyethylpiperazine ethane sulfonic acid
research compound
Phenylalanine-d5
research compound
Semicarbazide hydrochloride
research compound
Bromonitromethane
research compound
2-Bromopropionyl bromide
research compound
Pipes disodium
research compound
PIPES sesquisodium salt
research compound
Monosodium PIPES
research compound
The international HS code for PIPES (CAS 5625-37-6) is 2933.59.
2933.59
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid
IHPYMWDTONKSCO-UHFFFAOYSA-N
C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O
Sourcing PIPES?
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