1422437-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422437-39-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,4,3 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1422437-39:
(9*1)+(8*4)+(7*2)+(6*2)+(5*4)+(4*3)+(3*7)+(2*3)+(1*9)=135
135 % 10 = 5
So 1422437-39-5 is a valid CAS Registry Number.