900764-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900764-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,7,6 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 900764-85:
(8*9)+(7*0)+(6*0)+(5*7)+(4*6)+(3*4)+(2*8)+(1*5)=164
164 % 10 = 4
So 900764-85-4 is a valid CAS Registry Number.