17277-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17277-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,7 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17277-19:
(7*1)+(6*7)+(5*2)+(4*7)+(3*7)+(2*1)+(1*9)=119
119 % 10 = 9
So 17277-19-9 is a valid CAS Registry Number.