57699-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57699-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,9 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57699-53:
(7*5)+(6*7)+(5*6)+(4*9)+(3*9)+(2*5)+(1*3)=183
183 % 10 = 3
So 57699-53-3 is a valid CAS Registry Number.