105754-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105754-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,7,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 105754-81:
(8*1)+(7*0)+(6*5)+(5*7)+(4*5)+(3*4)+(2*8)+(1*1)=122
122 % 10 = 2
So 105754-81-2 is a valid CAS Registry Number.