C6H15NO6S
229.25 g/mol
Research ReagentWarning
N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid
CAS7365-44-8EC230-906-3
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid (TES) is a zwitterionic buffer substance commonly used in biological and biochemical research. It has a pKa of 7.
Biological buffer in biochemical assayspH control in cell culture mediaBuffer in protein and enzyme studies
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
SimilarStructure SimilarSimilarity 0.76
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Referencestereoisomer of
N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt
CAS70331-82-7
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid (CAS 7365-44-8) is 2922.19.
HS code (international, 6-digit)
2922.19
EU CN code (8-digit)
2922 19 00
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-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethanesulfonic acid
InChIKey
JOCBASBOOFNAJA-UHFFFAOYSA-N
SMILES
C(CS(=O)(=O)O)NC(CO)(CO)CO
Synonyms (25)
- NES
- TES
- TES buffer
- TES, >=99% (titration)
- TES, High Purity
- TES, Vetec(TM) reagent grade
- TES, free acid
Sourcing N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.