767321-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 767321-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,7,3,2 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 767321-53:
(8*7)+(7*6)+(6*7)+(5*3)+(4*2)+(3*1)+(2*5)+(1*3)=179
179 % 10 = 9
So 767321-53-9 is a valid CAS Registry Number.