1422259-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422259-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,2,5 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1422259-34:
(9*1)+(8*4)+(7*2)+(6*2)+(5*2)+(4*5)+(3*9)+(2*3)+(1*4)=134
134 % 10 = 4
So 1422259-34-4 is a valid CAS Registry Number.