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252044-63-6

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252044-63-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252044-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,0,4 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 252044-63:
(8*2)+(7*5)+(6*2)+(5*0)+(4*4)+(3*4)+(2*6)+(1*3)=106
106 % 10 = 6
So 252044-63-6 is a valid CAS Registry Number.

252044-63-6Relevant articles and documents

Solid phase synthesis of depsides and depsipeptides

Kuisle,Quinoa,Riguera

, p. 1203 - 1206 (1999)

A general solid phase methodology for the synthesis of depside and depsipeptide chains from optically active α-hydroxy acids and α-amino acids is reported. The automated preparation of depsides (97% yield per cycle) made up from the same enantiomer (i.e.

A general methodology for automated solid-phase synthesis of depsides and depsipeptides. Preparation of a valinomycin analogue

Kuisle, Oliver,Quinoa, Emilio,Riguera, Ricardo

, p. 8063 - 8075 (2007/10/03)

A general methodology is described that allows the solid-phase synthesis of depsides and depsipeptides from chiral α-hydroxy- and α-amino acids. The results of studies with different protecting groups for the α-hydroxy acids and coupling systems for depsi

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