57855-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57855-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,5 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57855-38:
(7*5)+(6*7)+(5*8)+(4*5)+(3*5)+(2*3)+(1*8)=166
166 % 10 = 6
So 57855-38-6 is a valid CAS Registry Number.