83934-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83934-67-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,3 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83934-67:
(7*8)+(6*3)+(5*9)+(4*3)+(3*4)+(2*6)+(1*7)=162
162 % 10 = 2
So 83934-67-2 is a valid CAS Registry Number.