77326-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77326-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,2 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77326-15:
(7*7)+(6*7)+(5*3)+(4*2)+(3*6)+(2*1)+(1*5)=139
139 % 10 = 9
So 77326-15-9 is a valid CAS Registry Number.