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(2S,5R)-5-Benzyloxymethyl-2-pentyl-dihydro-furan-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221187-58-2

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221187-58-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221187-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,8 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 221187-58:
(8*2)+(7*2)+(6*1)+(5*1)+(4*8)+(3*7)+(2*5)+(1*8)=112
112 % 10 = 2
So 221187-58-2 is a valid CAS Registry Number.

221187-58-2Relevant academic research and scientific papers

Synthesis of (6S,7S,9R,10R)-6,9-epoxynonadec-18-ene-7,10-diol, a marine epoxy lipid isolated from the brown alga, Notheia anomala, by an oxiranyl anion strategy

Mori, Yuji,Sawada, Tomoko,Furukawa, Hiroshi

, p. 731 - 734 (2007/10/03)

The stereocontrolled synthesis of (6S,7S,9R,10R)-6,9-epoxynonadec-18- ene-7,10-diol, isolated from the brown alga, Notheia anomala, has been achieved. The key 2,3,5-trisubstituted tetrahydrofuran ring was constructed by alkylation of the sulfonyl-stabilized oxiranly anion followed by 5-endo cyclization.

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