OSA

7-amino-4-hydroxy-3-[(E)-(5-hydroxy-7-sulfonaphthalen-2-yl)diazenyl]naphthalene-2-sulfonic acid

Created:	2010-06-02
Last modified:	2011-06-04

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1 entries where OSA is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	48
Chiral Atom Count	0
Bond Count	51
Aromatic Bond Count	22

2D diagram of OSA

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Chemical Component Summary
Name	7-amino-4-hydroxy-3-[(E)-(5-hydroxy-7-sulfonaphthalen-2-yl)diazenyl]naphthalene-2-sulfonic acid
Systematic Name (OpenEye OEToolkits)	7-azanyl-4-hydroxy-3-[(E)-(5-hydroxy-7-sulfo-naphthalen-2-yl)diazenyl]naphthalene-2-sulfonic acid
Formula	C₂₀ H₁₅ N₃ O₈ S₂
Molecular Weight	489.478
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	12.01	O=S(=O)(O)c4cc3cc(/N=N/c2c(O)c1c(cc(cc1)N)cc2S(=O)(=O)O)ccc3c(O)c4
SMILES	CACTVS	3.370	Nc1ccc2c(O)c(N=Nc3ccc4c(O)cc(cc4c3)[S](O)(=O)=O)c(cc2c1)[S](O)(=O)=O
SMILES	OpenEye OEToolkits	1.7.0	c1cc2c(cc1N)cc(c(c2O)N=Nc3ccc4c(c3)cc(cc4O)S(=O)(=O)O)S(=O)(=O)O
Canonical SMILES	CACTVS	3.370	Nc1ccc2c(O)c(N=Nc3ccc4c(O)cc(cc4c3)[S](O)(=O)=O)c(cc2c1)[S](O)(=O)=O
Canonical SMILES	OpenEye OEToolkits	1.7.0	c1cc2c(cc1N)cc(c(c2O)/N=N/c3ccc4c(c3)cc(cc4O)S(=O)(=O)O)S(=O)(=O)O
InChI	InChI	1.03	InChI=1S/C20H15N3O8S2/c21-12-1-3-16-10(5-12)8-18(33(29,30)31)19(20(16)25)23-22-13-2-4-15-11(6-13)7-14(9-17(15)24)32(26,27)28/h1-9,24-25H,21H2,(H,26,27,28)(H,29,30,31)/b23-22+
InChIKey	InChI	1.03	ZSHNSNDVNDUHIM-GHVJWSGMSA-N

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.