The C.I. Direct Yellow 34, with the CAS registry number 6420-33-3, is also known as 1,5-Naphthalenedisulfonic acid, 3,3'-[ureylenebis[(5-methoxy-2-methyl-p-phenylene)azo]]di-, tetrasodium salt(8CI). It belongs to the product category of Organics. Its EINECS number is 229-158-0. This chemical's molecular formula is C₃₇H₃₂N₆O₁₅S₄·4Na and molecular weight is 1016.87. What's more, its systematic name is Tetrasodium 3,3'-{carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)-2,1-diazenediyl]}di(1,5-naphthalenedisulfonate).

Physical properties of C.I. Direct Yellow 34 are: (1)#H bond acceptors: 21; (2)#H bond donors: 6; (3)#Freely Rotating Bonds: 12; (4)Polar Surface Area: 371.35 Å².

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[Na+].[Na+].COc6cc(N=Nc2cc1c(cccc1c(c2)S([O-])(=O)=O)S([O-])(=O)=O)c(C)cc6NC(=O)Nc5cc(C)c(N=Nc4cc3c(cccc3c(c4)S([O-])(=O)=O)S([O-])(=O)=O)cc5OC
(2)Std. InChI: InChI=1S/C37H32N6O15S4.4Na/c1-19-11-29(31(57-3)17-27(19)42-40-21-13-25-23(35(15-21)61(51,52)53)7-5-9-33(25)59(45,46)47)38-37(44)39-30-12-20(2)28(18-32(30)58-4)43-41-22-14-26-24(36(16-22)62(54,55)56)8-6-10-34(26)60(48,49)50;;;;/h5-18H,1-4H3,(H2,38,39,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56);;;;/q;4*+1/p-4
(3)Std. InChIKey: JQRFOMXXFJIGMQ-UHFFFAOYSA-J