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90172-70-6

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90172-70-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90172-70-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,7 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90172-70:
(7*9)+(6*0)+(5*1)+(4*7)+(3*2)+(2*7)+(1*0)=116
116 % 10 = 6
So 90172-70-6 is a valid CAS Registry Number.

90172-70-6Downstream Products

90172-70-6Relevant articles and documents

A facile, one-pot procedure for the conversion of aromatic aldehydes to esters, as well as thioesters and amides, via acyl hydrazide intermediates

Maruani, Antoine,Lee, Maximillian T. W.,Watkins, George,Akhbar, Ahmed R.,Baggs, Henry,Shamsabadi, André,Richards, Daniel A.,Chudasama, Vijay

, p. 3372 - 3376 (2016)

Herein we present an efficient method for the synthesis of esters from aromatic aldehydes via readily accessible acyl hydrazides. The developed reaction protocol is shown to be tolerant of a range of aromatic aldehydes, bearing various functionalities, as well as being amenable to the synthesis of thioesters and amides.

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