178269-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178269-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,6 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 178269-09:
(8*1)+(7*7)+(6*8)+(5*2)+(4*6)+(3*9)+(2*0)+(1*9)=175
175 % 10 = 5
So 178269-09-5 is a valid CAS Registry Number.