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201294-49-7

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201294-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201294-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,9 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 201294-49:
(8*2)+(7*0)+(6*1)+(5*2)+(4*9)+(3*4)+(2*4)+(1*9)=97
97 % 10 = 7
So 201294-49-7 is a valid CAS Registry Number.

201294-49-7Upstream product

201294-49-7Downstream Products

201294-49-7Relevant academic research and scientific papers

METHOD FOR THE SYNTHESIS OF 4-ALKOXY-, 4-HYDROXY- AND 4-ARYLOXY-SUBSTITUTED TETRAHYDRO-FURO[3,4-B]FURAN-2(3H)-ONE COMPOUNDS

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Page/Page column 21, (2009/04/25)

The present invention relates to a method for the synthesis of enantiomerically and diastereomerically enriched 4-alkoxy-, 4-hydroxy- or 4-aryloxy- substituted tetrahydro-furo[3,4-b]furan-2(3H)-ones by aldol coupling of a suitable hydroxyl-protected hydro

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