72826-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72826-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,2 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72826-74:
(7*7)+(6*2)+(5*8)+(4*2)+(3*6)+(2*7)+(1*4)=145
145 % 10 = 5
So 72826-74-5 is a valid CAS Registry Number.