219547-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219547-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,4 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 219547-79:
(8*2)+(7*1)+(6*9)+(5*5)+(4*4)+(3*7)+(2*7)+(1*9)=162
162 % 10 = 2
So 219547-79-2 is a valid CAS Registry Number.