170894-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170894-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,8,9 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 170894-68:
(8*1)+(7*7)+(6*0)+(5*8)+(4*9)+(3*4)+(2*6)+(1*8)=165
165 % 10 = 5
So 170894-68-5 is a valid CAS Registry Number.