173676-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173676-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,6,7 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173676-90:
(8*1)+(7*7)+(6*3)+(5*6)+(4*7)+(3*6)+(2*9)+(1*0)=169
169 % 10 = 9
So 173676-90-9 is a valid CAS Registry Number.