900508-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900508-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,5,0 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 900508-29:
(8*9)+(7*0)+(6*0)+(5*5)+(4*0)+(3*8)+(2*2)+(1*9)=134
134 % 10 = 4
So 900508-29-4 is a valid CAS Registry Number.