90359-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90359-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,5 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90359-54:
(7*9)+(6*0)+(5*3)+(4*5)+(3*9)+(2*5)+(1*4)=139
139 % 10 = 9
So 90359-54-9 is a valid CAS Registry Number.