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244201-57-8

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244201-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 244201-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,2,0 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 244201-57:
(8*2)+(7*4)+(6*4)+(5*2)+(4*0)+(3*1)+(2*5)+(1*7)=98
98 % 10 = 8
So 244201-57-8 is a valid CAS Registry Number.

244201-57-8Upstream product

244201-57-8Downstream Products

244201-57-8Relevant articles and documents

Synthesis of new functionalized aminomethylphosphonites and their derivatives

Prishchenko, Andrey A.,Livantsov, Mikhail V.,Novikova, Olga P.,Livantsova, Ludmila I.,Petrosyan, Valery S.

, p. 361 - 367 (2010)

The aminomethylation of the several esters of hypophosphorous acid using chloro-, alkoxy-, and amino-substituted methylamines of various structure is proposed as convenient method for the synthesis of new functionalized aminomethylphosphonites and bis(aminomethyl)phosphinates. Also O,O-diethyl(pivaloyl)phosphonite is successfully applied in the aminomethylation as a synthetic analog of unstable diethoxyphosphine.

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