107057-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107057-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,0,5 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107057-80:
(8*1)+(7*0)+(6*7)+(5*0)+(4*5)+(3*7)+(2*8)+(1*0)=107
107 % 10 = 7
So 107057-80-7 is a valid CAS Registry Number.