19487-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19487-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,8 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19487-68:
(7*1)+(6*9)+(5*4)+(4*8)+(3*7)+(2*6)+(1*8)=154
154 % 10 = 4
So 19487-68-4 is a valid CAS Registry Number.