27745-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27745-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,4 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27745-79:
(7*2)+(6*7)+(5*7)+(4*4)+(3*5)+(2*7)+(1*9)=145
145 % 10 = 5
So 27745-79-5 is a valid CAS Registry Number.