83471-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83471-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,7 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83471-42:
(7*8)+(6*3)+(5*4)+(4*7)+(3*1)+(2*4)+(1*2)=135
135 % 10 = 5
So 83471-42-5 is a valid CAS Registry Number.