216320-01-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216320-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,3,2 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 216320-01:
(8*2)+(7*1)+(6*6)+(5*3)+(4*2)+(3*0)+(2*0)+(1*1)=83
83 % 10 = 3
So 216320-01-3 is a valid CAS Registry Number.