854220-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854220-15-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,2,2 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 854220-15:
(8*8)+(7*5)+(6*4)+(5*2)+(4*2)+(3*0)+(2*1)+(1*5)=148
148 % 10 = 8
So 854220-15-8 is a valid CAS Registry Number.