201982-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201982-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,9,8 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201982-90:
(8*2)+(7*0)+(6*1)+(5*9)+(4*8)+(3*2)+(2*9)+(1*0)=123
123 % 10 = 3
So 201982-90-3 is a valid CAS Registry Number.