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Merck
CN

30190

L-Cysteine S-sulfate

≥98.0% (TLC)

Synonym(s):

S-Sulfo-L-cysteine

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About This Item

Empirical Formula (Hill Notation):
C3H7NO5S2
CAS Number:
Molecular Weight:
201.22
UNSPSC Code:
12352200
Beilstein/REAXYS Number:
1726832
MDL number:
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assay

≥98.0% (TLC)

solubility

H2O: 20 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

N[C@@H](CSS(O)(=O)=O)C(O)=O

InChI

1S/C3H7NO5S2/c4-2(3(5)6)1-10-11(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1

InChI key

NOKPBJYHPHHWAN-REOHCLBHSA-N

Other Notes

Inactivates rat kidney γ-glutamylcysteine synthetase

Regulatory Information

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W Moore et al.
The Journal of biological chemistry, 262(35), 16771-16777 (1987-12-15)
The reactions catalyzed by gamma-glutamylcysteine synthetase and glutamine synthetase are thought to proceed via enzyme-bound gamma-glutamyl phosphate intermediates. We investigated the possibility that S-sulfocysteine and S-sulfohomocysteine might act as analogs of gamma-glutamyl phosphate or of the associated putative tetrahedral intermediates.

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