5771-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5771-99-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5771-99:
(6*5)+(5*7)+(4*7)+(3*1)+(2*9)+(1*9)=123
123 % 10 = 3
So 5771-99-3 is a valid CAS Registry Number.