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942428-83-3

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942428-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 942428-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,2,4,2 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 942428-83:
(8*9)+(7*4)+(6*2)+(5*4)+(4*2)+(3*8)+(2*8)+(1*3)=183
183 % 10 = 3
So 942428-83-3 is a valid CAS Registry Number.

942428-83-3Relevant articles and documents

C-glycosylated pyrroles and their application in dipyrromethane and porphyrin synthesis

Borbas, K. Eszter,Jane, Reuben T.,Kocsi, Daniel,Orthaber, Andreas,Sollert, Carina

, p. 741 - 755 (2021/07/02)

Pyrrole C-glycosylated in either the 2-or the 3-position could be prepared by the acid-catalyzed reaction between trichloroacetimidate glycosyl donors and pyrrole, or N-phenyl-tri?uoroacetimidate glucosyl donor and N-TIPS pyrrole, respectively. Pyrroles c

3-(Dimethylamino)-1-propylamine: A cheap and versatile reagent for removal of byproducts in carbohydrate chemistry

Andersen, Sofie Meng,Heuckendorff, Mads,Jensen, Henrik H.

supporting information, p. 944 - 947 (2015/04/14)

Inexpensive 3-(dimethylamino)-1-propylamine (DMAPA) was found to be effective in anomeric deacylation reactions giving 1-O deprotected sugars in high yield as precursors for the formation of imidate glycosyl donors. DMAPA was also found to be useful for removing excess reagents such as benzoyl chloride, tosyl chloride, and 2,2,2-trifluoro-N-phenylacetimidoyl chloride. The deacylation reaction could be conducted in moist THF and did not require chromatographic purification since an acidic wash was sufficient to remove excess reagent and the formed byproduct.

First O-glycosylation of hydroxamic acids

Thomas, Mickael,Gesson, Jean-Pierre,Papot, Sebastien

, p. 4262 - 4264 (2008/02/05)

(Chemical Equation Presented) The first O-glycosylation of hydroxamic acids is reported. This process involves the use of glycosyl N-phenyl trifluoroacetimidates as glycosyl donors in the presence TMSOTf and 4 A molecular sieves in dichloromethane. Under

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