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(7cis,9cis,11cis,13cis)-O~15~-phenylretinol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75664-68-5

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75664-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75664-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75664-68:
(7*7)+(6*5)+(5*6)+(4*6)+(3*4)+(2*6)+(1*8)=165
165 % 10 = 5
So 75664-68-5 is a valid CAS Registry Number.

75664-68-5Downstream Products

75664-68-5Relevant academic research and scientific papers

Highly Efficient and General Synthetic Method of Various Retinyl Ethers

Lee, Jun Sup,Jeong, Young Cheol,Ji, Minkoo,Baik, Woonphil,Lee, Sijoon,Koo, Sangho

, p. 1937 - 1940 (2007/10/03)

Bromination of 4 by PBr3 under Cu(I) catalyst produces the ambidextrous allylic halide 5 regioselectively and stereoselectively. Hetero nucleophiles distinguish the allylic carbon containing Br from the one containing Cl in 5 to give the heteroatom-substituted C5 allylic chloride 3. The Julia olefination reaction with the C15 sulfone 2 provides diverse retinyl ethers 1.

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