90476-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90476-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,7 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90476-42:
(7*9)+(6*0)+(5*4)+(4*7)+(3*6)+(2*4)+(1*2)=139
139 % 10 = 9
So 90476-42-9 is a valid CAS Registry Number.