1015844-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1015844-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,5,8,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1015844-45:
(9*1)+(8*0)+(7*1)+(6*5)+(5*8)+(4*4)+(3*4)+(2*4)+(1*5)=127
127 % 10 = 7
So 1015844-45-7 is a valid CAS Registry Number.