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274905-39-4

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274905-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 274905-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,0 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 274905-39:
(8*2)+(7*7)+(6*4)+(5*9)+(4*0)+(3*5)+(2*3)+(1*9)=164
164 % 10 = 4
So 274905-39-4 is a valid CAS Registry Number.

274905-39-4Downstream Products

274905-39-4Relevant articles and documents

An efficient method for the synthesis of enantiopure 2,3-anti-propionate aldols involving a 3,5-syn- or anti-diol subunit through chiral borane- mediated enantioselective aldol reaction coupled with radical reduction

Kiyooka, Syun-Ichi,Shahid, Kazi A.

, p. 2633 - 2637 (2000)

2,3-anti-Propionate aldols involving a 3,5-syn- or anti-diol subunit, versatile enantiopure segments available for macrolide synthesis, were prepared by a chiral oxazaborolidinone-promoted asymmetric aldol reaction with 2-bromo-1-ethoxy-2-methyl-1-trimethylsiloxyethene and the following highly anti-preferential radical debromination. (C) 2000 Elsevier Science Ltd.

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