C10H22N2O8S2
362.4 g/mol
Research ReagentWarning
POPSO
CAS68189-43-5EC269-199-1
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
POPSO is a zwitterionic sulfonic acid compound commonly used as a biological buffer reagent in biochemical and molecular biology research. Its structure contains two hydroxyl and two sulfonic acid groups, providing effective buffering capacity in physiological pH ranges.
Biological buffer for enzyme assays and cell cultureBuffer component in protein and nucleic acid researchLaboratory reagent for pH-controlled reactions
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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Related Compounds
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for POPSO (CAS 68189-43-5) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
2-hydroxy-3-[4-(2-hydroxy-3-sulfopropyl)piperazin-1-yl]propane-1-sulfonic acid
InChIKey
LVQFQZZGTZFUNF-UHFFFAOYSA-N
SMILES
C1CN(CCN1CC(CS(=O)(=O)O)O)CC(CS(=O)(=O)O)O
Synonyms (13)
- POPSO
- POPSO hydrate
- POPSO, free acid
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Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.