77346-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77346-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,4 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77346-97:
(7*7)+(6*7)+(5*3)+(4*4)+(3*6)+(2*9)+(1*7)=165
165 % 10 = 5
So 77346-97-5 is a valid CAS Registry Number.