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diethyl 1H,1H,2H,2H-nonafluorohexyl-phosphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

627909-24-4

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627909-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 627909-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,7,9,0 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 627909-24:
(8*6)+(7*2)+(6*7)+(5*9)+(4*0)+(3*9)+(2*2)+(1*4)=184
184 % 10 = 4
So 627909-24-4 is a valid CAS Registry Number.

627909-24-4Relevant academic research and scientific papers

FLUORINATED PHOSPHONIC ACIDS

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Page 7, (2010/02/05)

Fluorinated phosphonic acid compounds, useful as treatments for substrate surfaces, have the formula (I) : wherein: R?1? is a straight chain alkylene group having from 3 to 21 carbon atoms, an oxa-substituted straight chain alkylene group having from 2 to 20 carbon atoms, or a thia-substituted straight chain alkylene group having from 2 to 20 carbon atoms; R?2? is a perfluoroalkyl group having from 4 to 10 carbon atoms; R?3? is hydrogen, an alkali metal cation, or an alkyl group having from 1 to 6 carbon atoms; and M is hydrogen or an alkali metal cation, with the proviso that if R?1? is an unsubstituted straight chain alkylene group, then the sum of carbon atoms in R?1? and R?2? combined is at least 10.

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