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125569-51-9

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125569-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125569-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,5,6 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 125569-51:
(8*1)+(7*2)+(6*5)+(5*5)+(4*6)+(3*9)+(2*5)+(1*1)=139
139 % 10 = 9
So 125569-51-9 is a valid CAS Registry Number.

125569-51-9Relevant articles and documents

Stereochemical studies on Esperamicins: Determination of the absolute configuration of hydroxyamino sugar fragment

Golik,Wong,Krishnan,Vyas,Doyle

, p. 1851 - 1854 (2007/10/02)

The β-D-gluco-hexopyranose configuration has been assigned for the hydroxyamino sugar fragment or esperamicin A. This determination concluded our study on the absolute configuration of the carbohydrate portion of esperamicins.

On the Conversion of Biologically Interesting Amines to Hydroxylamines

Wittman, Mark D.,Halcomb, Randall L.,Danishefsky, Samuel J.

, p. 1981 - 1983 (2007/10/02)

Oxidation of amines to hydroxylamines with 2,2-dimethyldioxiranes is described.This new method is utilized to prepare disaccharide hydroxylamine 13.

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