1421319-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421319-83-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,3,1 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1421319-83:
(9*1)+(8*4)+(7*2)+(6*1)+(5*3)+(4*1)+(3*9)+(2*8)+(1*3)=126
126 % 10 = 6
So 1421319-83-6 is a valid CAS Registry Number.