156122-91-7 Usage
Uses
A pH indicator that can be covalently linked to a cellulose support. Model compound for pH and cation indicator dyes that can be covalently linked to cellulose.
Check Digit Verification of cas no
The CAS Registry Mumber 156122-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,1,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 156122-91:
(8*1)+(7*5)+(6*6)+(5*1)+(4*2)+(3*2)+(2*9)+(1*1)=117
117 % 10 = 7
So 156122-91-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N2O7S2.K/c21-9-10-28(23,24)13-7-5-12(6-8-13)19-20-16-11-17(29(25,26)27)18(22)15-4-2-1-3-14(15)16;/h1-8,11,21-22H,9-10H2,(H,25,26,27);/q;+1/p-1/b20-19+;/rC18H15KN2O7S2/c19-28-30(26,27)17-11-16(14-3-1-2-4-15(14)18(17)23)21-20-12-5-7-13(8-6-12)29(24,25)10-9-22/h1-8,11,22-23H,9-10H2/b21-20+
