90920-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90920-72-2 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 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90920-72:
(7*9)+(6*0)+(5*9)+(4*2)+(3*0)+(2*7)+(1*2)=132
132 % 10 = 2
So 90920-72-2 is a valid CAS Registry Number.