105564-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105564-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,6 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105564-94:
(8*1)+(7*0)+(6*5)+(5*5)+(4*6)+(3*4)+(2*9)+(1*4)=121
121 % 10 = 1
So 105564-94-1 is a valid CAS Registry Number.