103158-10-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103158-10-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,5 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103158-10:
(8*1)+(7*0)+(6*3)+(5*1)+(4*5)+(3*8)+(2*1)+(1*0)=77
77 % 10 = 7
So 103158-10-7 is a valid CAS Registry Number.