139680-61-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139680-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,8 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139680-61:
(8*1)+(7*3)+(6*9)+(5*6)+(4*8)+(3*0)+(2*6)+(1*1)=158
158 % 10 = 8
So 139680-61-8 is a valid CAS Registry Number.
InChI:InChI=1/C23H41N3O3S/c1-18(11-13-23(4)19(2)8-6-9-20(23)3)7-5-10-21(17-27)12-15-30(28,29)16-14-26-22(24)25/h7-8,12,20,27H,5-6,9-11,13-17H2,1-4H3,(H4,24,25,26)/b18-7+,21-12+/t20-,23+/m1/s1