105734-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105734-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,7,3 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105734-74:
(8*1)+(7*0)+(6*5)+(5*7)+(4*3)+(3*4)+(2*7)+(1*4)=115
115 % 10 = 5
So 105734-74-5 is a valid CAS Registry Number.