83384-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83384-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,8 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83384-83:
(7*8)+(6*3)+(5*3)+(4*8)+(3*4)+(2*8)+(1*3)=152
152 % 10 = 2
So 83384-83-2 is a valid CAS Registry Number.