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874522-61-9

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874522-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874522-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,5,2 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 874522-61:
(8*8)+(7*7)+(6*4)+(5*5)+(4*2)+(3*2)+(2*6)+(1*1)=189
189 % 10 = 9
So 874522-61-9 is a valid CAS Registry Number.

874522-61-9Relevant academic research and scientific papers

Concave Reagents, 6 Can the Structure of Concave Reagents Determine Selectivities?

Luening, Ulrich,Schillinger, Fritz

, p. 2073 - 2075 (2007/10/02)

The concave position of the proton in protonated concave pyridines 8*H+ or 9*H+ leads to increased selectivities in protonation reactions of nitronate anions 2a-d.Thus, the reprotonation of the nitronate anion 2a by the protonated concave pyridine 8*H+ selectively yields the nitro compound 1a whereas the nitronate anions 2b-d are transformed to the Nef products 4b-d.

Electrochemical oxidation of carboxylic acid anions in the presence of some mono- and di-subsituted olefins

Champagne, Philippe J.,Renaud, Roger N.

, p. 1101 - 1105 (2007/10/02)

The anodic oxidation of the sodium salts of acetic, propionic, and isovaleric acids was performed in the presence of a series of ethylenic compounds bearing electron-withdrawing substituents.The results showed that under certain experimental conditions the electrogenerated radicals added to the ethylenic double bond to give mainly 1,2-dialkylated products.The stereoisomers obtained were separated and whenever possible, identified.Their physical properties are reported.

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