77300-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77300-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,0 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77300-37:
(7*7)+(6*7)+(5*3)+(4*0)+(3*0)+(2*3)+(1*7)=119
119 % 10 = 9
So 77300-37-9 is a valid CAS Registry Number.