78551-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78551-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78551-19:
(7*7)+(6*8)+(5*5)+(4*5)+(3*1)+(2*1)+(1*9)=156
156 % 10 = 6
So 78551-19-6 is a valid CAS Registry Number.