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Home/Compounds/Research Reagent/MES monohydrate
C6H15NO5S
213.25 g/mol
Research ReagentWarning

4-Morpholineethanesulfonic acid, monohydrate

CAS145224-94-8EC838-777-0
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound

4-Morpholineethanesulfonic acid, monohydrate is a buffer reagent commonly employed in biochemical research. It is the monohydrate form of a zwitterionic sulfonic acid buffer, known as MES, and is used to maintain stable pH conditions in various laboratory applications.

buffer reagent in biochemical research

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

StrongSame Parent

2-(N-morpholino)ethanesulfonic acid

CAS4432-31-9

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StrongSame Parent

2-(N-Morpholino)ethanesulfonic acid hemisodium salt

CAS117961-21-4

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SimilarStructure SimilarSimilarity 0.81

3-(N-morpholino)propanesulfonic acid

CAS1132-61-2

research compound

ReferenceSame Category

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ReferenceSame Category

3-methylpyrazole

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ReferenceSame Category

Ent-(14S)-3-Methoxy-17-methylmorphinan

CAS1453167-99-1

research compound

ReferenceSame Category

Pentafluorophenyl trifluoroacetate

CAS14533-84-7

research compound

Referencestereoisomer of

Potassium 2-(N-morpholino)ethanesulfonate

CAS39946-25-3

research compound

Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for 4-Morpholineethanesulfonic acid, monohydrate (CAS 145224-94-8) is 2934.99.

HS code (international, 6-digit)

2934.99

EU CN code (8-digit)

2934 99 90

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-morpholin-4-ylethanesulfonic acid;hydrate

InChIKey

MIIIXQJBDGSIKL-UHFFFAOYSA-N

SMILES

C1COCCN1CCS(=O)(=O)O.O

Synonyms (26)
  • MES hydrate
  • MES monohydrate
  • MES monohydrate, p.a.
  • MES, Free acid, monohydrate

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