139629-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139629-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,2 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139629-93:
(8*1)+(7*3)+(6*9)+(5*6)+(4*2)+(3*9)+(2*9)+(1*3)=169
169 % 10 = 9
So 139629-93-9 is a valid CAS Registry Number.