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Merck
CN

191698

2-Sulfobenzoic acid cyclic anhydride

technical grade, 90%

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
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
201-322-6
Beilstein/REAXYS Number:
139893
MDL number:
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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 grade

assay

90%

form

powder

bp

184-186 °C/18 mmHg (lit.)

mp

116 °C

solubility

methanol: 50 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)


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A Moulin et al.
Biochemistry, 28(15), 6340-6346 (1989-07-25)
2-Sulfobenzoic cyclic anhydride (SBA) rapidly and selectively inactivates porcine pancreatic lipase (PPL) only when added during the hydrolysis of an emulsified ester such as tributyrin or dodecyl acetate. The present data suggest that the inactivation of PPL occurs preferentially at
Chengli Zu et al.
Rapid communications in mass spectrometry : RCM, 24(1), 120-128 (2009-12-10)
A derivatization procedure has been developed for the improved characterization of fatty alcohol ethoxylate non-ionic surfactants by liquid chromatography/mass spectrometry. The end hydroxyl group of each surfactant species was converted into an oxycarbonylbenzene-2-sulfonic acid group with 2-sulfobenzoic anhydride under mild
Christin Stegemann et al.
Rapid communications in mass spectrometry : RCM, 24(5), 599-604 (2010-02-16)
Two cyclic theta-defensin peptides were isolated from leukocytes of the hamadryas baboon, Papio hamadryas, and purified to homogeneity by gel electrophoresis and reversed-phase high-performance liquid chromatography. Both peptides had high in vitro activity against Escherichia coli, Listeria monocytogenes, methicillin-resistant Staphylococcus
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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