53764-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53764-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,6 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53764-65:
(7*5)+(6*3)+(5*7)+(4*6)+(3*4)+(2*6)+(1*5)=141
141 % 10 = 1
So 53764-65-1 is a valid CAS Registry Number.