57545-47-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57545-47-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,4 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57545-47:
(7*5)+(6*7)+(5*5)+(4*4)+(3*5)+(2*4)+(1*7)=148
148 % 10 = 8
So 57545-47-8 is a valid CAS Registry Number.