75535-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75535-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,3 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75535-20:
(7*7)+(6*5)+(5*5)+(4*3)+(3*5)+(2*2)+(1*0)=135
135 % 10 = 5
So 75535-20-5 is a valid CAS Registry Number.
InChI:InChI=1/C29H26N7O.C7H8O3S/c1-5-17-34-25(35(18-6-2)27-26(34)30-22-12-8-9-13-23(22)31-27)16-15-20-19(3)32-36-28(20)33(4)24-14-10-7-11-21(24)29(36)37;1-6-2-4-7(5-3-6)11(8,9)10/h5-16H,1-2,17-18H2,3-4H3;2-5H,1H3,(H,8,9,10)/q+1;/p-1