78515-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78515-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,1 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78515-19:
(7*7)+(6*8)+(5*5)+(4*1)+(3*5)+(2*1)+(1*9)=152
152 % 10 = 2
So 78515-19-2 is a valid CAS Registry Number.