90442-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90442-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,4 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90442-48:
(7*9)+(6*0)+(5*4)+(4*4)+(3*2)+(2*4)+(1*8)=121
121 % 10 = 1
So 90442-48-1 is a valid CAS Registry Number.