1421354-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421354-12-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,3,5 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1421354-12:
(9*1)+(8*4)+(7*2)+(6*1)+(5*3)+(4*5)+(3*4)+(2*1)+(1*2)=112
112 % 10 = 2
So 1421354-12-2 is a valid CAS Registry Number.