1421870-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421870-07-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,8,7 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1421870-07:
(9*1)+(8*4)+(7*2)+(6*1)+(5*8)+(4*7)+(3*0)+(2*0)+(1*7)=136
136 % 10 = 6
So 1421870-07-6 is a valid CAS Registry Number.