16919-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16919-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,9,1 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16919-88:
(7*1)+(6*6)+(5*9)+(4*1)+(3*9)+(2*8)+(1*8)=143
143 % 10 = 3
So 16919-88-3 is a valid CAS Registry Number.