229170-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229170-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,1,7 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 229170-65:
(8*2)+(7*2)+(6*9)+(5*1)+(4*7)+(3*0)+(2*6)+(1*5)=134
134 % 10 = 4
So 229170-65-4 is a valid CAS Registry Number.