71219-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71219-01-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,1 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71219-01:
(7*7)+(6*1)+(5*2)+(4*1)+(3*9)+(2*0)+(1*1)=97
97 % 10 = 7
So 71219-01-7 is a valid CAS Registry Number.