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4-Methyl-spiro[4.5]dec-3-en-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81231-02-9

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81231-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81231-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81231-02:
(7*8)+(6*1)+(5*2)+(4*3)+(3*1)+(2*0)+(1*2)=89
89 % 10 = 9
So 81231-02-9 is a valid CAS Registry Number.

81231-02-9Upstream product

81231-02-9Downstream Products

81231-02-9Relevant academic research and scientific papers

Optimizing the 5-exo/6-endo ratio of vinyl radical cyclizations through catalysis with diphenyl diselenide

Crich, David,Hwang, Jae-Taeg,Liu, Hui

, p. 3105 - 3108 (1996)

The 5-exo/6-endo product ratio in the stannane mediated cyclizations of vinyl iodides is very significantly improved by operating in the presence of catalytic PhSeSePh with no loss in overall cyclization yield.

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