27091-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27091-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,0,9 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 27091-62:
(7*2)+(6*7)+(5*0)+(4*9)+(3*1)+(2*6)+(1*2)=109
109 % 10 = 9
So 27091-62-9 is a valid CAS Registry Number.