279239-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 279239-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,9,2,3 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 279239-17:
(8*2)+(7*7)+(6*9)+(5*2)+(4*3)+(3*9)+(2*1)+(1*7)=177
177 % 10 = 7
So 279239-17-7 is a valid CAS Registry Number.