756-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 756-19-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 756-19:
(5*7)+(4*5)+(3*6)+(2*1)+(1*9)=84
84 % 10 = 4
So 756-19-4 is a valid CAS Registry Number.