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2H-Pyran, tetrahydro-2-[[2-methylene-4,4-bis[(phenylmethoxy)methyl]-6-octynyl]oxy ]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

491879-72-2

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491879-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 491879-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,1,8,7 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 491879-72:
(8*4)+(7*9)+(6*1)+(5*8)+(4*7)+(3*9)+(2*7)+(1*2)=212
212 % 10 = 2
So 491879-72-2 is a valid CAS Registry Number.

491879-72-2Relevant academic research and scientific papers

Effects of substituents on the multiple bonds on ring-closing metathesis of enynes

Kitamura, Tsuyoshi,Sato, Yoshihiro,Mori, Miwako

, p. 678 - 693 (2007/10/03)

In ring-closing metathesis (RCM) reactions of enynes, the substituents on the multiple bonds are quite important. Although RCM of an enyne having a monosubstituted alkene proceeds smoothly using the first-generation ruthenium-carbene complex 1a, that of a

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