90921-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90921-43-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90921-43:
(7*9)+(6*0)+(5*9)+(4*2)+(3*1)+(2*4)+(1*3)=130
130 % 10 = 0
So 90921-43-0 is a valid CAS Registry Number.