Product

S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE

CAS No.：6953-60-2

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S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE Basic information

Product Name:	S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE
Synonyms:	2-(ACETYLTHIO)SUCCINIC ANHYDRIDE;4,4,4-tribromobutanoic acid butyl ester;LABOTEST-BB LT00159681;S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE;Ethanethioicacid,S-(tetrahydro-2,5-dioxo-3-furanyl)ester;(acetylthio)succinic anhydride;(S)-Acetyl-2-mercaptosuccinicanhydride;2-(Acetylthio)succinic anhydride, SAMSA
CAS:	6953-60-2
MF:	C6H6O4S
MW:	174.17
EINECS:	230-135-2
Product Categories:
Mol File:	6953-60-2.mol

S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE Chemical Properties

Melting point	83-86 °C (lit.)
Boiling point	354.3±31.0 °C(Predicted)
density	1.42±0.1 g/cm3(Predicted)
storage temp.	2-8°C
Sensitive	Hygroscopic
CAS DataBase Reference	6953-60-2(CAS DataBase Reference)
EPA Substance Registry System	Ethanethioic acid, S-(tetrahydro-2,5-dioxo-3-furanyl) ester (6953-60-2)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3

MSDS Information

Provider	Language
SigmaAldrich	English

S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE Usage And Synthesis

General Description

S-Acetylmercaptosuccinic anhydride is an amine reactive reagent, containing a sulfhydryl group. The anhydride region opens up, when attacked by an amine nucleophile, forming amine linkage. However, during this ring opening reaction, a free carboxylate group is formed rendering the molecule negatively charged. Activity to proteins and conformation of the molecule us affected by the charge reversal.

S-ACETYLMERCAPTOSUCCINIC ANHYDRIDE Preparation Products And Raw materials

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