857237-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857237-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,3 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857237-28:
(8*8)+(7*5)+(6*7)+(5*2)+(4*3)+(3*7)+(2*2)+(1*8)=196
196 % 10 = 6
So 857237-28-6 is a valid CAS Registry Number.