27161-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27161-75-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,6 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27161-75:
(7*2)+(6*7)+(5*1)+(4*6)+(3*1)+(2*7)+(1*5)=107
107 % 10 = 7
So 27161-75-7 is a valid CAS Registry Number.