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Methanone, (2-amino-4-phenyl-4H-naphtho[1,2-b]pyran-3-yl)phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

141987-75-9

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141987-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141987-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,8 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 141987-75:
(8*1)+(7*4)+(6*1)+(5*9)+(4*8)+(3*7)+(2*7)+(1*5)=159
159 % 10 = 9
So 141987-75-9 is a valid CAS Registry Number.

141987-75-9Downstream Products

141987-75-9Relevant academic research and scientific papers

Studies with Polyfunctionally Substituted Heterocycles: Synthesis of New Pyridines, Naphthopyrans, Pyrazolo(3,4-b>pyridines and Pyrazolopyrimidines

Elnagdi, Mohamed Hilmy,Elghandour, Ahmed Hafiz Husein,Ibrahim, Mohamed Kamal Ahmed,Hafiz, Ibrahim Saad Abdel

, p. 572 - 578 (2007/10/02)

A variety of new polyfunctionally substituted pyridines, naphthopyrans and pyrazolopyrimidines were prepared via reacting ylidenemalononitriles with thiophenol, thionaphthol, naphthols or aminopyrazoles. Keywords: Heterocycles, Pyridines, Pyrimidines

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