2645-22-9c1cc(SSc2ccncc2)ccn1UHBAPGWWRFVTFS-UHFFFAOYSA-N4,4'-dipyridyl disulfide is an organic disulfide obtained by formal oxidative dimerisation of 4-thiopyridine. It is a member of pyridines and an organic disulfide.
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Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
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使用Aldrithiol-4 was used as cosubstrate in a study to develop highly specific inhibitors against mannose-binding lectin-associated serine proteases by in vitro evolution technology:phage display.It was used to study the O2 equilibria of recombinant human neuroglobin and cytoglobin measured under close to physiological conditions.It was used to modify gold surfaces for protein studies.
純化方法Recrystallise the disulfide from H2O, EtOH, Me2CO, *C6H6 or pet ether. It has been used as a 1mM solution in EtOH for the spectrophotometric estimation of thiols. Essentially the thiol displaces half the disulfide molecule liberating the 4-mercaptopyridine (4-pyridinethiol) anion, thereby shifting the max from 324nm (of the disulfide) to 285nm (of the anion) at pH 9. (Compare with 2,2’dipyridyl disulfide above which has been used for the same purpose.) [Humphrey et al. Anal Chem 40 698 1970, Cheng & Ritchie Aust J Chem 26 1785 1973.] [Beilstein 21 II 35, for review see Aldrichimica Acta 4 33 1971.]
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2645-22-9DTXSID00181045CHEMBL1232076CHEBI:41814化学的特性white to orange crystalline powder
定義ChEBI: An organic disulfide obtained by formal oxidative dimerisation of 4-thiopyridine.