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(6R)-8-ethyl-1-[(4S,6R)-6-(p-methoxybenzyloxymethyl)-2,2-dimethyl[1,3]dioxan-4-yl]-6-(triethylsilanyloxy)non-8-en-3-yn-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

638222-22-7

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638222-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 638222-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,2,2 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 638222-22:
(8*6)+(7*3)+(6*8)+(5*2)+(4*2)+(3*2)+(2*2)+(1*2)=147
147 % 10 = 7
So 638222-22-7 is a valid CAS Registry Number.

638222-22-7Relevant academic research and scientific papers

A Practical and Efficient Synthesis of the C-16-C-28 Spiroketal Fragment (CD) of the Spongistatins

Gaunt, Matthew J.,Hook, David F.,Tanner, Huw R.,Ley, Steven V.

, p. 4815 - 4818 (2007/10/03)

(Equation Presented) A practical and efficient route to the CD spiroketal (C-16-C-28) of the spongistatins is reported. Two stereocenters are introduced from chiral building blocks with the remainder introduced by substrate-controlled transformations. The

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