72368-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72368-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,3,6 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72368-45:
(7*7)+(6*2)+(5*3)+(4*6)+(3*8)+(2*4)+(1*5)=137
137 % 10 = 7
So 72368-45-7 is a valid CAS Registry Number.