78115-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78115-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,1 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78115-72:
(7*7)+(6*8)+(5*1)+(4*1)+(3*5)+(2*7)+(1*2)=137
137 % 10 = 7
So 78115-72-7 is a valid CAS Registry Number.