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1443672-27-2

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1443672-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443672-27-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,6,7 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1443672-27:
(9*1)+(8*4)+(7*4)+(6*3)+(5*6)+(4*7)+(3*2)+(2*2)+(1*7)=162
162 % 10 = 2
So 1443672-27-2 is a valid CAS Registry Number.

1443672-27-2Downstream Products

1443672-27-2Relevant articles and documents

First synthesis of phosphorylated thienopyridines from 2-amino-3- cyanothiophenes and β-ketophosphonates

Khalladi, Khaoula,Touil, Soufiane

, p. 711 - 718 (2013/07/25)

In a simple procedure, treatment of 2-amino-3-cyanothiophenes with β-ketophosphonates, under acid catalysis, leads to new 4-amino-5- phosphonothieno[2,3-b]pyridines in good to excellent yields. The structure of obtained products was confirmed by NMR (1H, 31P, 13C) and IR spectroscopies, and by mass spectrometry.

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