849934-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 849934-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,9,3 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 849934-83:
(8*8)+(7*4)+(6*9)+(5*9)+(4*3)+(3*4)+(2*8)+(1*3)=234
234 % 10 = 4
So 849934-83-4 is a valid CAS Registry Number.