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9-hydroxy-1-methoxy-6-(phenylthio)non-1-en-3-yn-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128683-66-9

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128683-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128683-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,8 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128683-66:
(8*1)+(7*2)+(6*8)+(5*6)+(4*8)+(3*3)+(2*6)+(1*6)=159
159 % 10 = 9
So 128683-66-9 is a valid CAS Registry Number.

128683-66-9Relevant academic research and scientific papers

Synthesis of Spiroketals: A General Approach

Crimmins, Michael T.,O'Mahony, Rosemary

, p. 5894 - 5900 (1990)

A general procedure for the synthesis of functionalized spiroketals from lactones is described.Addition of the lithium acetylide of cis-1-methoxy-1-buten-3-yne to lactones followed by a hydration of the acetylene, hydrolysis of the enol ether and cyclizat

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