65530-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65530-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,3 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 65530-57:
(7*6)+(6*5)+(5*5)+(4*3)+(3*0)+(2*5)+(1*7)=126
126 % 10 = 6
So 65530-57-6 is a valid CAS Registry Number.