854139-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854139-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,1,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854139-72:
(8*8)+(7*5)+(6*4)+(5*1)+(4*3)+(3*9)+(2*7)+(1*2)=183
183 % 10 = 3
So 854139-72-3 is a valid CAS Registry Number.