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144735-55-7

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144735-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144735-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,3 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144735-55:
(8*1)+(7*4)+(6*4)+(5*7)+(4*3)+(3*5)+(2*5)+(1*5)=137
137 % 10 = 7
So 144735-55-7 is a valid CAS Registry Number.

144735-55-7Relevant articles and documents

An alternate method for the synthesis of 2-aryl/alkyl-5-bromo-7-methoxy benzofurans; application to the synthesis of Egonol, Homoegonol, and analogs via Heck reaction

More, Kishor R.,Mali

, p. 7496 - 7504 (2016/11/11)

We herein report the general, versatile, and convenient method for the synthesis of 2-arly/alkyl-5-bromo-7-methoxy benzofurans from easily available o-Vanillin in five steps. These benzofurans was successfully converted into biological active natural products Egonol, Homoegonol, and analogous on applying Heck reaction using ethyl/methyl acrylate in the presence of palladium catalyst.

Naturally Occurring Benzofuran: Isolation, Structure Elucidation and Total Synthesis of 5-(3-Hydroxypropyl)-7-methoxy-2-(3'-methoxy-4'-hydroxyphenyl)-3-benzofurancarbaldehyde, a Novel Adenosine A1 Receptor Ligand Isolated from Salvia miltior

Yang, Zhen,Hon, Po Ming,Chui, Kuk Ying,Xu, Zun Le,Chang, Hson Mou,et al.

, p. 2061 - 2064 (2007/10/02)

A naturally occurring benzofuran, namely 5-(3-hydroxypropyl)-7-methoxy-2-(3'-methoxy-4'-hydroxyphenyl)-3-benzofurancarbaldehyde was isolated from the roots of S. miltiorrhiza Bunge "Danshen".Its structure was established by means of spectroscopic metho

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