19740-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19740-29-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,4 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19740-29:
(7*1)+(6*9)+(5*7)+(4*4)+(3*0)+(2*2)+(1*9)=125
125 % 10 = 5
So 19740-29-5 is a valid CAS Registry Number.