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bis((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl) 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1620490-89-2

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1620490-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620490-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,4,9 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1620490-89:
(9*1)+(8*6)+(7*2)+(6*0)+(5*4)+(4*9)+(3*0)+(2*8)+(1*9)=152
152 % 10 = 2
So 1620490-89-2 is a valid CAS Registry Number.

1620490-89-2Downstream Products

1620490-89-2Relevant academic research and scientific papers

Stereospecific ring-opening metathesis polymerization of norbornadienes employing tungsten oxo alkylidene initiators

Forrest, William P.,Weis, Jonathan G.,John, Jeremy M.,Axtell, Jonathan C.,Simpson, Jeffrey H.,Swager, Timothy M.,Schrock, Richard R.

, p. 10910 - 10913 (2014)

We report here the polymerization of several 7-isopropylidene-2,3- disubstituted norbornadienes, 7-oxa-2,3-dicarboalkoxynorbornadienes, and 11-oxa-benzonorbornadienes with a single tungsten oxo alkylidene catalyst, W(O)(CH-t-Bu)(OHMT)(Me2Pyr) (

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