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1144099-48-8

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1144099-48-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1144099-48-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,4,0,9 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1144099-48:
(9*1)+(8*1)+(7*4)+(6*4)+(5*0)+(4*9)+(3*9)+(2*4)+(1*8)=148
148 % 10 = 8
So 1144099-48-8 is a valid CAS Registry Number.

1144099-48-8Downstream Products

1144099-48-8Relevant articles and documents

Seven membered ring chelates derived from γ-hydroxyamides and triphenyltin or diphenylboron

Salas-Coronado, Raúl,Colorado-Peralta, Raúl,Sánchez-Ruiz, Sonia A.,Contreras, Rosalinda,Flores-Parra, Angelina

, p. 616 - 622 (2009/05/30)

N-Benzyl-4-hydroxy-butyramide (1), 4-hydroxy-N-[(R)-1-phenyl-ethyl]-butyramide (2), and (R)-4-hydroxy-2-methyl-N-[(R)-1-phenyl-ethyl]-butyramide (3a) were used to prepare new diphenylboron and triphenyltinoxy compounds: diphenylborinic acid 3-benzylcarbamoyl-propyl ester (4), diphenylborinic acid 3-[(R)-1-phenyl-ethylcarbamoyl]-propyl ester (5) and diphenylborinic acid (R)-3-[(R)-1-phenyl-ethylcarbamoyl]-butyl ester (6), N-benzyl-4-triphenyltinoxy-butyramide (7), 4-triphenyltinoxy-N-[(R)-1-phenyl-ethyl]-butyramide (8), and (R)-4-triphenyltinoxy-2-methyl-N-[(R)-1-phenyl-ethyl]-butyramide (9). The X-ray diffraction analysis of a crystalline structure of the new γ-hydroxyamide 3a is reported, as well as that of the first example of a crystalline structure where a diphenylborinic ester forms a seven membered chelate, by a carbonyl coordination to boron (4). Structural studies of tin and boron esters were performed by NMR. The C{double bond, long}O internal coordination to tin atoms, affording seven membered rings, was observed by 119Sn NMR experiments at low temperature.

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