900164-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900164-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,1,6 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 900164-93:
(8*9)+(7*0)+(6*0)+(5*1)+(4*6)+(3*4)+(2*9)+(1*3)=134
134 % 10 = 4
So 900164-93-4 is a valid CAS Registry Number.