78648-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78648-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,4 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78648-17:
(7*7)+(6*8)+(5*6)+(4*4)+(3*8)+(2*1)+(1*7)=176
176 % 10 = 6
So 78648-17-6 is a valid CAS Registry Number.