3422-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3422-09-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,2 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3422-09:
(6*3)+(5*4)+(4*2)+(3*2)+(2*0)+(1*9)=61
61 % 10 = 1
So 3422-09-1 is a valid CAS Registry Number.