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87243-93-4

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87243-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87243-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87243-93:
(7*8)+(6*7)+(5*2)+(4*4)+(3*3)+(2*9)+(1*3)=154
154 % 10 = 4
So 87243-93-4 is a valid CAS Registry Number.

87243-93-4Relevant articles and documents

Hydrolysis and alcoholysis of phosphinates and phosphonates

Harsági, Nikoletta,Keglevich, Gy?rgy,Sz?ll?si, Betti,Varga, Petra Regina

, (2021/11/04)

Phosphinic and phosphonic acids useful intermediates and biologically active compounds may be prepared from their esters: phosphinates and phosphonates, respectively, by acid-catalyzed hydrolysis either on conventional heating or on MW irradiation. The transesterification of alkyl phosphinates took place only in the presence of suitable ionic liquids as the catalysts. In the cases of phenylphosphonates, depending on the nature of the ionic liquid, the formation of the ester was accompanied by the fission of the C–O bond.

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