109037-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109037-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,3 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109037-04:
(8*1)+(7*0)+(6*9)+(5*0)+(4*3)+(3*7)+(2*0)+(1*4)=99
99 % 10 = 9
So 109037-04-9 is a valid CAS Registry Number.
109037-04-9Relevant articles and documents
COMPOUNDS FOR OPTICALLY ACTIVE DEVICES
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Page/Page column 201; 203-204, (2020/10/28)
The present invention relates to novel ophthalmic devices comprising polymerized compounds comprising a photoactive unit, said polymerized compounds, and special monomer compounds being particularly suitable for compositions and ophthalmic devices.
