27963-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27963-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27963-05:
(7*2)+(6*7)+(5*9)+(4*6)+(3*3)+(2*0)+(1*5)=139
139 % 10 = 9
So 27963-05-9 is a valid CAS Registry Number.