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7-<1-(1-hydroxyethyl)>-1-hydroxy-6-methyl-9a-carbobenzoxy-8-oxoazetidino<1,2-c>perhydropyrrolo<1,2-a>pyrimidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139976-63-9

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139976-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139976-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,7 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139976-63:
(8*1)+(7*3)+(6*9)+(5*9)+(4*7)+(3*6)+(2*6)+(1*3)=189
189 % 10 = 9
So 139976-63-9 is a valid CAS Registry Number.

139976-63-9Downstream Products

139976-63-9Relevant academic research and scientific papers

Addition of Amino Amides to Vinyl Vicinal Tricarbonyls. Formation of Tricyclic 3-Azadethiacephams

Wasserman, Harry H.,Henke, Susan L.,Nakanishi, Eiji,Schulte, Gayle

, p. 2641 - 2645 (2007/10/02)

Amino amides react as trinucleophiles with vinyl vicinal tricarbonyl esters.Reaction of the primary amino group takes place at the β-position of the α,β-unsaturated ketone along with addition to the central carbonyl group.In a third-stage reaction, the am

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