107158-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107158-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,1,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 107158-58:
(8*1)+(7*0)+(6*7)+(5*1)+(4*5)+(3*8)+(2*5)+(1*8)=117
117 % 10 = 7
So 107158-58-7 is a valid CAS Registry Number.