20342-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20342-01-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,4 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20342-01:
(7*2)+(6*0)+(5*3)+(4*4)+(3*2)+(2*0)+(1*1)=52
52 % 10 = 2
So 20342-01-2 is a valid CAS Registry Number.