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391928-94-2

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391928-94-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 391928-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,1,9,2 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 391928-94:
(8*3)+(7*9)+(6*1)+(5*9)+(4*2)+(3*8)+(2*9)+(1*4)=192
192 % 10 = 2
So 391928-94-2 is a valid CAS Registry Number.

391928-94-2Relevant articles and documents

Stereoselective total synthesis of all the stereoisomers of (+)- and (?)-febrifugine and halofuginone

Perali, Ramu Sridhar,Bandi, Anjaneyulu

supporting information, (2020/07/04)

A convenient method for the total synthesis of all the stereoisomers of febrifugine and halofuginone using D-arabinose and L-arabinose as the key starting materials is reported. Apart from the inherent stereocenters in these pentose sugars, the method utilizes the selective hydrogenolysis of the anomeric O-benzyl group, stereoselective Grignard reaction and Wacker oxidation as the key steps to obtain the important precursors for the total synthesis.

Enantiospecific synthesis of both enantiomers of 2-benzyloxydihydropyran-3- ones from arabinose

Uhrig, Maria Laura,Varela, Oscar

, p. 893 - 898 (2007/10/03)

Approaches to the enantioselective synthesis of the useful building blocks (2R)- and (2S)-2-benzyloxy-2(H)-pyran-3(6H)-one (12 and 17, respectively) are described. The most direct and highly yielding route for the synthesis of 12 was based on the 'one-pot

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