178735-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178735-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,7,3 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 178735-17:
(8*1)+(7*7)+(6*8)+(5*7)+(4*3)+(3*5)+(2*1)+(1*7)=176
176 % 10 = 6
So 178735-17-6 is a valid CAS Registry Number.