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N-Dianisylmethyl-3-(1-hydroxyethyl)-4-trimethylsilylethynyl-2-azetidinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

115556-89-3

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115556-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115556-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,5,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 115556-89:
(8*1)+(7*1)+(6*5)+(5*5)+(4*5)+(3*6)+(2*8)+(1*9)=133
133 % 10 = 3
So 115556-89-3 is a valid CAS Registry Number.

115556-89-3Relevant articles and documents

NEW SYNTHESIS OF 4-ACETOXY-2-AZETIDINONES BY USE OF ELECTROCHEMICAL OXIDATION

Mori, Miwako,Kagechika, Katsuji,Sasai, Hiroaki,Shibasaki, Masakatsu

, p. 531 - 540 (2007/10/02)

4-Acetoxy-2-azetidinone was synthesized from 4-carboxy-2-azetidinone by Kolbe-type electrolysis.Optically pure 4-acetoxy-3--2-azetidinone, which is an important intermediate for the synthesis of thienamycin, and (+)-PS-5 were synthesized by use of this method.

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