78178-35-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78178-35-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,7 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78178-35:
(7*7)+(6*8)+(5*1)+(4*7)+(3*8)+(2*3)+(1*5)=165
165 % 10 = 5
So 78178-35-5 is a valid CAS Registry Number.