103142-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103142-87-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103142-87:
(8*1)+(7*0)+(6*3)+(5*1)+(4*4)+(3*2)+(2*8)+(1*7)=76
76 % 10 = 6
So 103142-87-6 is a valid CAS Registry Number.