85664-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85664-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,6 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 85664-55:
(7*8)+(6*5)+(5*6)+(4*6)+(3*4)+(2*5)+(1*5)=167
167 % 10 = 7
So 85664-55-7 is a valid CAS Registry Number.