1421606-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421606-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,6,0 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1421606-50:
(9*1)+(8*4)+(7*2)+(6*1)+(5*6)+(4*0)+(3*6)+(2*5)+(1*0)=119
119 % 10 = 9
So 1421606-50-9 is a valid CAS Registry Number.