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benzyl 4-tert-butyl-3,5-dimethyl-1H-pyrrole-2-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

173972-05-9

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173972-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173972-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,7 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 173972-05:
(8*1)+(7*7)+(6*3)+(5*9)+(4*7)+(3*2)+(2*0)+(1*5)=159
159 % 10 = 9
So 173972-05-9 is a valid CAS Registry Number.

173972-05-9Relevant academic research and scientific papers

tert-butyl-substituted tripyrranes: Insights into the steric and conformational factors that influence porphyrinoid ring formation in the "3 + 1" methodology

Jiao, Wenhua,Lash, Timothy D.

, p. 3896 - 3901 (2007/10/03)

The MacDonald "3 + 1" route for porphyrinoid synthesis involves the acid-catalyzed condensation of tripyrranes with monocyclic dialdehydes, followed by an oxidation step. In the present study, yields were found to be greatly diminished when tert-butyl sub

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