185757-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185757-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,7,5 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 185757-17:
(8*1)+(7*8)+(6*5)+(5*7)+(4*5)+(3*7)+(2*1)+(1*7)=179
179 % 10 = 9
So 185757-17-9 is a valid CAS Registry Number.