1420870-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1420870-87-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,8,7 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1420870-87:
(9*1)+(8*4)+(7*2)+(6*0)+(5*8)+(4*7)+(3*0)+(2*8)+(1*7)=146
146 % 10 = 6
So 1420870-87-6 is a valid CAS Registry Number.