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145290-28-4

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145290-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145290-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,9 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 145290-28:
(8*1)+(7*4)+(6*5)+(5*2)+(4*9)+(3*0)+(2*2)+(1*8)=124
124 % 10 = 4
So 145290-28-4 is a valid CAS Registry Number.

145290-28-4Downstream Products

145290-28-4Relevant articles and documents

ALKYLATION REACTIONS OF DIALKYL HYDROGEN PHOSPHITES AND DIARYLPHOSPHINE OXIDES UNDER PHASE-TRANSFER CONDITIONS

Petrov, K. A.,Sivova, L. I.,Smirnov, I. V.,Kryukova, L. Yu.

, p. 264 - 268 (2007/10/02)

It was shown that phosphonates and tertiary phosphine oxides can be synthesized by the alkylation of acid phosphites and diarylphosphine oxides in a nonpolar solvent in presence of solid potassium hydroxide and potassium carbonate and also catalytic amounts of 18-crown ether (or in its absence). (Diarylphosphinyl)methyl ethers of mono- and oligo-etylene glycols were synthesized by the reactions of diaryl(chloromethyl)phosphine oxides with lithium glycolates

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