27741-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27741-16-8 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 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 27741-16:
(7*2)+(6*7)+(5*7)+(4*4)+(3*1)+(2*1)+(1*6)=118
118 % 10 = 8
So 27741-16-8 is a valid CAS Registry Number.