42369-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42369-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,6 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42369-83:
(7*4)+(6*2)+(5*3)+(4*6)+(3*9)+(2*8)+(1*3)=125
125 % 10 = 5
So 42369-83-5 is a valid CAS Registry Number.