1422-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422-47-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,2 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1422-47:
(6*1)+(5*4)+(4*2)+(3*2)+(2*4)+(1*7)=55
55 % 10 = 5
So 1422-47-5 is a valid CAS Registry Number.