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4892-10-8

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4892-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4892-10-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4892-10:
(6*4)+(5*8)+(4*9)+(3*2)+(2*1)+(1*0)=108
108 % 10 = 8
So 4892-10-8 is a valid CAS Registry Number.
InChI:InChI=1/C27H28N2O5/c1-33-26(31)24(18-21-13-7-3-8-14-21)28-25(30)23(17-20-11-5-2-6-12-20)29-27(32)34-19-22-15-9-4-10-16-22/h2-16,23-24H,17-19H2,1H3,(H,28,30)(H,29,32)/t23-,24-/m0/s1

4892-10-8Relevant articles and documents

An efficient amide-forming reaction using tributyltrichloromethylphosphonium chloride

Lorca,Kurosu

, p. 469 - 473 (2001)

An efficient and expeditious amide-forming reaction is described via a combination of tributylphosphine and carbon tetrachloride (in situ generation of tributyltrichloromethylphosphonium chloride) in the absence of tertiary amines.

Mechanochemical Synthesis of Dipeptides Using Mg-Al Hydrotalcite as Activating Agent under Solvent-Free Reaction Conditions

Landeros, José M.,Juaristi, Eusebio

, p. 687 - 694 (2017/02/05)

Given the high demand for green and sustainable synthetic methods for the formation of amides and peptidic bonds, herein we report the efficient, solvent-free mechanochemical synthesis of dipeptides from N-protected amino acids and amino acid methyl ester

A mild and efficient amide formation reaction mediated by P(OEt)3 and iodine

Chen, Pei-Jiang,Wang, Hai-Yang,Peng, Ai-Yun

, p. 94328 - 94331 (2015/11/17)

With the activation of P(OEt)3 and I2, carboxylic acids can smoothly react with various primary and secondary amines, affording a series of amides, including peptides without racemization. 31P NMR spectroscopy studies showed that carboxylic phosphoric mixed anhydride was the reactive intermediate and a possible mechanism was herein proposed.

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