1144105-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1144105-74-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,4,1,0 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1144105-74:
(9*1)+(8*1)+(7*4)+(6*4)+(5*1)+(4*0)+(3*5)+(2*7)+(1*4)=107
107 % 10 = 7
So 1144105-74-7 is a valid CAS Registry Number.