854015-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854015-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,0,1 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854015-42:
(8*8)+(7*5)+(6*4)+(5*0)+(4*1)+(3*5)+(2*4)+(1*2)=152
152 % 10 = 2
So 854015-42-2 is a valid CAS Registry Number.