90218-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90218-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,1 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90218-22:
(7*9)+(6*0)+(5*2)+(4*1)+(3*8)+(2*2)+(1*2)=107
107 % 10 = 7
So 90218-22-7 is a valid CAS Registry Number.