155994-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155994-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,9 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155994-17:
(8*1)+(7*5)+(6*5)+(5*9)+(4*9)+(3*4)+(2*1)+(1*7)=175
175 % 10 = 5
So 155994-17-5 is a valid CAS Registry Number.