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6-(p-Methoxyphenyl)-2-methyl-3-oxa-6-azabicyclo<3.2.0>heptane-4,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138331-57-4

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138331-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138331-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,3 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138331-57:
(8*1)+(7*3)+(6*8)+(5*3)+(4*3)+(3*1)+(2*5)+(1*7)=124
124 % 10 = 4
So 138331-57-4 is a valid CAS Registry Number.

138331-57-4Downstream Products

138331-57-4Relevant academic research and scientific papers

Formation of 3-azetidin-2-ones: Stereocontrolled Formal Approach to (+/-)-Thienamycin and (+/-)-β-(Hydroxyalkyl)aspartic Acid Derivatives

Palomo, Claudio,Aizpurua, Jesus M.,Urchegui, Raquel,Iturburu, Miren

, p. 1571 - 1579 (2007/10/02)

Reaction between (+/-)-β-(dimethylphenylsilyl)alkanoyl chlorides and imines of glyoxylic esters provided a route to (+/-)-cis-3--4-alkoxycarbonyl β-lactams, while addition of the Fleming's silylcuprate reagent to methyl crot

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