178904-88-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178904-88-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,0 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 178904-88:
(8*1)+(7*7)+(6*8)+(5*9)+(4*0)+(3*4)+(2*8)+(1*8)=186
186 % 10 = 6
So 178904-88-6 is a valid CAS Registry Number.