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7,8-methylenedioxy-5-(3',4',5'-trimethoxyphenyl)-1,2,3,5,10,10a-hexahydrobenz[f]indolizine-3,10-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

257628-86-7

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257628-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 257628-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,6,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 257628-86:
(8*2)+(7*5)+(6*7)+(5*6)+(4*2)+(3*8)+(2*8)+(1*6)=177
177 % 10 = 7
So 257628-86-7 is a valid CAS Registry Number.

257628-86-7Relevant academic research and scientific papers

Studies on pyrrolidinone. Synthesis of aza analogs of podophyllotoxin and related compounds

Legrand, Anne,Rigo, Benoit,Gautret, Philippe,Henichart, Jean-Pierre,Couturier, Daniel

, p. 1263 - 1270 (1999)

The Friedel-Crafts cyclisation of N-benzhydrylpyroglutamic acids whose aromatic rings are substituted by methoxy or methylenedioxy groups gives podophyllotoxin analogs whose lactone ring was changed to a lactam.

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