105771-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105771-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,7,7 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105771-04:
(8*1)+(7*0)+(6*5)+(5*7)+(4*7)+(3*1)+(2*0)+(1*4)=108
108 % 10 = 8
So 105771-04-8 is a valid CAS Registry Number.