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ethynyl-retro-α-ionone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

165251-48-9

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165251-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165251-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,2,5 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 165251-48:
(8*1)+(7*6)+(6*5)+(5*2)+(4*5)+(3*1)+(2*4)+(1*8)=129
129 % 10 = 9
So 165251-48-9 is a valid CAS Registry Number.

165251-48-9Downstream Products

165251-48-9Relevant academic research and scientific papers

Method for preparing vitamin A

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Page column 8, (2010/01/31)

The invention relates to a process for making vitamin A from ethynyl-retro-α-ionol using an allene acetate as intermediate.

Efficiency of Organometallic Catalysis in a New "Ecological" Synthesis of Retinal

Bienayme, Hugues

, p. 7383 - 7386 (2007/10/02)

Isoprenoid aldehydes (such as retinal) are readily obtained from propargylic alcohols by a three step protocol involving the key palladium-catalysed transformation 1 -> 2. - Key Words: Isoprenoid aldehydes, Vitamin A, Retinal, Palladium.

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