1040712-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040712-87-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,7,1 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1040712-87:
(9*1)+(8*0)+(7*4)+(6*0)+(5*7)+(4*1)+(3*2)+(2*8)+(1*7)=105
105 % 10 = 5
So 1040712-87-5 is a valid CAS Registry Number.