2982-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2982-83-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,8 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2982-83:
(6*2)+(5*9)+(4*8)+(3*2)+(2*8)+(1*3)=114
114 % 10 = 4
So 2982-83-4 is a valid CAS Registry Number.