20464-90-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20464-90-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,6 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20464-90:
(7*2)+(6*0)+(5*4)+(4*6)+(3*4)+(2*9)+(1*0)=88
88 % 10 = 8
So 20464-90-8 is a valid CAS Registry Number.