34187-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34187-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,8 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 34187-26:
(7*3)+(6*4)+(5*1)+(4*8)+(3*7)+(2*2)+(1*6)=113
113 % 10 = 3
So 34187-26-3 is a valid CAS Registry Number.