34197-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34197-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,9 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 34197-74:
(7*3)+(6*4)+(5*1)+(4*9)+(3*7)+(2*7)+(1*4)=125
125 % 10 = 5
So 34197-74-5 is a valid CAS Registry Number.