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3-(8-benzyloxymethyl-11-hydroxy-2-methyl-4-octyloxymethoxy-3,7,10-trioxo-2,3,7,10-tetrahydro-1H-naphtho[2,3-e]isoindol-9-yl)-3-hydroxy-propionic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

649774-55-0

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649774-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 649774-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,7,7 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 649774-55:
(8*6)+(7*4)+(6*9)+(5*7)+(4*7)+(3*4)+(2*5)+(1*5)=220
220 % 10 = 0
So 649774-55-0 is a valid CAS Registry Number.

649774-55-0Relevant academic research and scientific papers

Studies Directed toward the Total Synthesis of Lactonamycin: Control of the Sense of Cycloaddition of a Quinone through Directed Intramolecular Catalysis

Cox, Christopher D.,Siu, Tony,Danishefsky, Samuel J.

, p. 5625 - 5629 (2007/10/03)

The rapid assembly of the ABCD tetracyclic ring system of lactonamycin involved the strong-base-induced regioselective Diels-Alder reaction of 1 and 2 to form advanced precursor 3. Regiochemical control results from the suitably positioned hydroxy group,

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