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40891-01-8

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40891-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40891-01-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,8,9 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40891-01:
(7*4)+(6*0)+(5*8)+(4*9)+(3*1)+(2*0)+(1*1)=108
108 % 10 = 8
So 40891-01-8 is a valid CAS Registry Number.

40891-01-8Relevant articles and documents

Enhanced corrosion inhibitive effect of p-methoxybenzylidene-4,4′-dimorpholine assembled on nickel oxide nanoparticles for mild steel in acid medium

Wadhwani, Poonam M.,Ladha, Divya G.,Panchal, Vikram K.,Shah, Nisha K.

, p. 7098 - 7111 (2015)

The corrosion inhibition efficiency of p-methoxybenzylidene-4,4′-dimorpholine (p-MBDM) and p-MBDM assembled on nickel oxide nanoparticles (NiONPs) was investigated using three techniques: weight loss, electrochemical impedance spectroscopy (EIS), and galv

Solvent-free synthesis of monoacylaminals from the reaction of amides and aminals as precursors in carbinolamide synthesis

Sansone, Matthew F.,Koyanagi, Takaoki,Przybyla, David E.,Nagorski, Richard W.

supporting information; experimental part, p. 6031 - 6033 (2010/11/21)

A solvent-free method of generating monoacylaminals by heating the amide and aminal starting materials in the presence of one another has been developed. Yields were generally between 45% and 65% with the monoacylaminal being isolated, needing no further purification after drying under high vacuum.

A new protocol for the preparation of aminals from aromatic aldehydes and their facile conversion to phosphonates

Dezfuli, Mohammad Karimi,Saidi, Mohammad Reza

, p. 89 - 96 (2007/10/03)

A new and fast method for the preparation of aminals is reported from the reaction of aromatic aldehydes and secondary amines in the presence of potassium carbonate in high yields. The aminal can be converted to the corresponding iminum salt in reaction with acetyl chloride very easily and in very short time with high yield. Addition of trialkylphosphite, as one possible nucleophile, to the prepared iminium salt produces the α-amino phosphonate in very high yield.

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