68703-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68703-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,7,0 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68703-91:
(7*6)+(6*8)+(5*7)+(4*0)+(3*3)+(2*9)+(1*1)=153
153 % 10 = 3
So 68703-91-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H25N7O6.Ba/c1-27-12(9-23-16-15(27)18(31)26-20(21)25-16)8-22-11-4-2-10(3-5-11)17(30)24-13(19(32)33)6-7-14(28)29;/h2-5,12-13,22H,6-9H2,1H3,(H,24,30)(H,28,29)(H,32,33)(H4,21,23,25,26,31);/q;+2/p-2
