57722-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57722-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,2 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57722-86:
(7*5)+(6*7)+(5*7)+(4*2)+(3*2)+(2*8)+(1*6)=148
148 % 10 = 8
So 57722-86-8 is a valid CAS Registry Number.