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(1S,2R,4R,5R,6R)-5-Iodbicyclo<2.2.1>heptan-2,6-carbolacton is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67999-52-4

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67999-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67999-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,9 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67999-52:
(7*6)+(6*7)+(5*9)+(4*9)+(3*9)+(2*5)+(1*2)=204
204 % 10 = 4
So 67999-52-4 is a valid CAS Registry Number.

67999-52-4Upstream product

67999-52-4Downstream Products

67999-52-4Relevant academic research and scientific papers

Cis,cis-Spiro[4.4]nonane-1,6-diol: A new chiral auxiliary for the asymmetric Diets-Alder reaction

Nieman, James A.,Keay, Brian A.

, p. 3521 - 3526 (1996)

The use of a mono-pivalate mano-acrylate bis-ester of (+)-1S,5S,6S-spiro[4.4]nonane-1,6-diol in an asymmetric Diels-Alder reaction with cyclopentadiene (2 equiv. BCl3, -85°C, CH2Cl2) provided the expected endo bicycle addu

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