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178241-13-9

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178241-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178241-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178241-13:
(8*1)+(7*7)+(6*8)+(5*2)+(4*4)+(3*1)+(2*1)+(1*3)=139
139 % 10 = 9
So 178241-13-9 is a valid CAS Registry Number.

178241-13-9Downstream Products

178241-13-9Relevant articles and documents

METHYL-AMINO-PHOSPHONIC ACID DI-ALKYL ESTERS CONTAINING FREE CARBOXYLIC GROUPS. SYNTHESIS AND CHARACTERIZATION

Failla, Salvatore,Finocchiaro, Paolo

, p. 79 - 86 (2007/10/03)

In order to enhance hydrophilicity and complexing properties of amino-phosphonates we synthesized a large variety of these compounds possessing one or two carboxylic groups in the aromatic ring(s).Such groups could facilitate enantiomer resolution and can be used for preparing a variety of interesting compounds as well as polycondensates.Characterization was performed by 1H-NMR and MS-FAB techniques.All compounds synthesized are crystalline high melting materials soluble in water and/or in strong polar solvents, rendering them attractive both for complexation studies and biological applications.Key words: Complexing agents, water-soluble phosphonates, NMR characterization, monomers for polycondensates.

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