437984-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437984-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,9,8 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 437984-83:
(8*4)+(7*3)+(6*7)+(5*9)+(4*8)+(3*4)+(2*8)+(1*3)=203
203 % 10 = 3
So 437984-83-3 is a valid CAS Registry Number.