173788-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173788-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,7,8 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 173788-09:
(8*1)+(7*7)+(6*3)+(5*7)+(4*8)+(3*8)+(2*0)+(1*9)=175
175 % 10 = 5
So 173788-09-5 is a valid CAS Registry Number.