86130
2-Sulfobenzoic acid cyclic anhydride
technical, ≥95.0% (T)
Synonym(s):
2,1-Benzoxathiol-3-one-1,1-dioxide
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About This Item
Empirical Formula (Hill Notation):
C7H4O4S
CAS Number:
Molecular Weight:
184.17
EC Number:
201-322-6
UNSPSC Code:
12171500
PubChem Substance ID:
Beilstein/REAXYS Number:
139893
MDL number:
InChI key
NCYNKWQXFADUOZ-UHFFFAOYSA-N
InChI
1S/C7H4O4S/c8-7-5-3-1-2-4-6(5)12(9,10)11-7/h1-4H
SMILES string
O=C1OS(C2=CC=CC=C21)(=O)=O
grade
technical
assay
≥95.0% (T)
bp
184-186 °C/18 mmHg (lit.)
mp
116-124 °C
Other Notes
Modifies the ε-amino function of lysyl residues in proteins by acylation
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Modification of epsilon-amino group of lysine in proteins by acylation with pyromellitic dianhydride and o-sulphobenzoic anhydride.
A Bagree et al.
FEBS letters, 120(2), 275-277 (1980-11-03)
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