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1H-Naphtho[2,1-b]pyran, 2,3-dihydro-2-methyl-2-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

194917-76-5

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194917-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194917-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,9,1 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 194917-76:
(8*1)+(7*9)+(6*4)+(5*9)+(4*1)+(3*7)+(2*7)+(1*6)=185
185 % 10 = 5
So 194917-76-5 is a valid CAS Registry Number.

194917-76-5Downstream Products

194917-76-5Relevant academic research and scientific papers

A convenient one-pot synthesis of 2,2-dialkyl-2,3-dihydro-1H-naphtho[2,1-b] pyrans

Jha, Amitabh,Huang, Po-Jung Jimmy,Mukherjee, Chandrani,Paul, Nawal K.

, p. 3127 - 3130 (2007)

This work describes a convenient one-pot procedure for the synthesis of 2,2-disubstituted 2,3-dihydro-177-naphtho[2,1-b]pyrans {i.e. 2,2-disubstituted 1H-benzo[f]chromans} by the reaction of 2-tetralones and α,α- disubstituted β-hydroxy propionaldehydes under acidic conditions. Georg Thieme Verlag Stuttgart.

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