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Merck

197327

Sigma-Aldrich

S-Acetylmercaptosuccinic anhydride

96%

Sinónimos:

2-(Acetylthio)succinic anhydride, SAMSA

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About This Item

Fórmula empírica (notación de Hill):
C6H6O4S
Número de CAS:
Peso molecular:
174.17
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

assay

96%

mp

83-86 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(=O)SC1CC(=O)OC1=O

InChI

1S/C6H6O4S/c1-3(7)11-4-2-5(8)10-6(4)9/h4H,2H2,1H3

InChI key

AHTFMWCHTGEJHA-UHFFFAOYSA-N

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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.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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L Greenfield et al.
Bioconjugate chemistry, 1(6), 400-410 (1990-11-01)
Ricin A chain immunotoxins disulfide cross-linked with conventional, sterically unhindered reagents have unsatisfactorily short circulating life times in vivo. (Acetylthio)succinic anhydride, a thiolating reagent with partial steric hindrance of the sulfur atom, does not remedy this situation. Sulfosuccinimidyl N-[3-(acetylthio)-3-methylbutyryl]-beta- alaninate
T J Beveridge et al.
Journal of bacteriology, 141(2), 876-887 (1980-02-01)
Amine and carboxyl groups of the cell wall of Bacillus subtilis were chemically modified individually to neutralize their electrochemical charge for determination of their contribution to the metal uptake process. Mild alkali treatment removed ca. 94% of the constituent teichoic
Fluorescent labeling of hormone receptors in viable cells: preparation and properties of highly fluorescent derivatives of epidermal growth factor and insulin.
Shechter Y, et al.
Proceedings of the National Academy of Sciences of the USA, 75(5), 2135-2139 (1978)
Introduction of sulfhydryl groups into proteins using acetylmercaptosuccinic anhydride
Klotz IM, et al.
Archives of Biochemistry and Biophysics, 96(3), 605-612 (1932)
M Better et al.
The Journal of biological chemistry, 267(23), 16712-16718 (1992-08-15)
A synthetic gene for the Aspergillus protein toxin mitogillin has been synthesized and expressed in Escherichia coli. The recombinant mitogillin is a potent inhibitor of protein synthesis in vitro with an IC50 of 9.7 pM. Immunoconjugates of recombinant mitogillin derivatized

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