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145593-32-4

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145593-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145593-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,5,9 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 145593-32:
(8*1)+(7*4)+(6*5)+(5*5)+(4*9)+(3*3)+(2*3)+(1*2)=144
144 % 10 = 4
So 145593-32-4 is a valid CAS Registry Number.

145593-32-4Downstream Products

145593-32-4Relevant articles and documents

A SIMPLE AND CONVENIENT SYNTHESIS OF 2-PHOSPHONOMETHYL PYRIDINES

Page, Patrick,Mazieres, Marie-Rose,Bellan, Jacques,Sanchez, Michel

, p. 205 - 210 (2007/10/02)

The Michaelis-Becker-Nylen reaction is well suited for the synthesis of 2-phosphonomethyl pyridines.We have improved this four steps method in a one pot reaction using commercial reagents.By this general procedure we have prepared seven new 2-phosphonomethyl pyridines (Ia-g) under mild conditions with higher yields.Key words: 2-phosphono pyridines; 2-phosphonomethyl pyridines; Michaelis-Becker-Nylen reaction; new phosphonates; potential ligands.

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