19522-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19522-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,2 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19522-72:
(7*1)+(6*9)+(5*5)+(4*2)+(3*2)+(2*7)+(1*2)=116
116 % 10 = 6
So 19522-72-6 is a valid CAS Registry Number.