859737-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859737-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,7,3 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 859737-71:
(8*8)+(7*5)+(6*9)+(5*7)+(4*3)+(3*7)+(2*7)+(1*1)=236
236 % 10 = 6
So 859737-71-6 is a valid CAS Registry Number.