170590-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170590-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,5,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 170590-84:
(8*1)+(7*7)+(6*0)+(5*5)+(4*9)+(3*0)+(2*8)+(1*4)=138
138 % 10 = 8
So 170590-84-8 is a valid CAS Registry Number.