has role has functional parent 4-nitrocatechol aryl sulfate 2-hydroxy-5-nitrophenyl hydrogen sulfate 2-hydroxy-5-nitrophenyl hydrogen sulfate 2-hydroxy-5-nitrophenyl sulfate 234.979 235.173 4-nitrocatechol sulfate An aryl sulfate that is 4-nitrocatechol in which the hydroxy group that is meta to the nitro group has been converted to the corresponding hydrogen sulfate. It is used (commonly as its dipotassium salt) as a chromogenic substrate for sulphatase. C1(=CC=C(C=C1OS(O)(=O)=O)[N+]([O-])=O)O C6H5NO7S CAS:10485-66-2 CHEBI:41733 InChI=1S/C6H5NO7S/c8-5-2-1-4(7(9)10)3-6(5)14-15(11,12)13/h1-3,8H,(H,11,12,13) N,4-DIHYDROXY-N-OXO-3-(SULFOOXY)BENZENAMINIUM PDBeChem:CSN Reaxys:2058143 XMCCOOONGGUOLA-UHFFFAOYSA-N chebi_ontology p-nitrocatechol sulfate sulfuric acid mono-(2-hydroxy-5-nitro-phenyl ester) chromogenic compound 4-nitrophenols