1421870-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421870-11-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,8,7 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1421870-11:
(9*1)+(8*4)+(7*2)+(6*1)+(5*8)+(4*7)+(3*0)+(2*1)+(1*1)=132
132 % 10 = 2
So 1421870-11-2 is a valid CAS Registry Number.