857221-96-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857221-96-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,2 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 857221-96:
(8*8)+(7*5)+(6*7)+(5*2)+(4*2)+(3*1)+(2*9)+(1*6)=186
186 % 10 = 6
So 857221-96-6 is a valid CAS Registry Number.