197327
S-Acetylmercaptosuccinic anhydride
96%
Synonyma:
2-(Acetylthio)succinic anhydride, SAMSA
Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen
About This Item
Empirický vzorec (Hillův zápis):
C6H6O4S
Číslo CAS:
Molekulová hmotnost:
174.17
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
Doporučené produkty
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.
signalword
Warning
hcodes
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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Introduction of sulfhydryl groups into proteins using acetylmercaptosuccinic anhydride
Klotz IM, et al.
Archives of Biochemistry and Biophysics, 96(3), 605-612 (1932)
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
Hermanson GT et al.
Bioconjugate Techniques null
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
Monica A Serban et al.
Biomacromolecules, 8(9), 2821-2828 (2007-08-19)
Hyaluronan (HA) derivatives containing thiol-reactive electrophilic esters were prepared to react with thiol-modified macromolecules to give cross-linker-free hydrogels. Specifically, HA was converted to two haloacetate derivatives, HA bromoacetate (HABA) and HA iodoacetate (HAIA). In cytotoxicity assays, these reactive macromolecules predictably
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