105151-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105151-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,5 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105151-40:
(8*1)+(7*0)+(6*5)+(5*1)+(4*5)+(3*1)+(2*4)+(1*0)=74
74 % 10 = 4
So 105151-40-4 is a valid CAS Registry Number.