16789-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16789-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16789-77:
(7*1)+(6*6)+(5*7)+(4*8)+(3*9)+(2*7)+(1*7)=158
158 % 10 = 8
So 16789-77-8 is a valid CAS Registry Number.
InChI:InChI=1/C23H28IN3O5S/c1-32-21-12-9-17(24)15-20(21)22(28)25-14-13-16-7-10-19(11-8-16)33(30,31)27-23(29)26-18-5-3-2-4-6-18/h7-12,15,18H,2-6,13-14H2,1H3,(H,25,28)(H2,26,27,29)
