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537658-46-1

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537658-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 537658-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,7,6,5 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 537658-46:
(8*5)+(7*3)+(6*7)+(5*6)+(4*5)+(3*8)+(2*4)+(1*6)=191
191 % 10 = 1
So 537658-46-1 is a valid CAS Registry Number.

537658-46-1Downstream Products

537658-46-1Relevant articles and documents

An efficient and novel approach for the synthesis of substituted N-aryl lactams

Chaturvedi, Devdutt,Chaturvedi, Amit K.,Mishra, Nisha,Mishra, Virendra

, p. 9148 - 9151,4 (2012/12/12)

A quick, efficient, one-pot method for the synthesis of substituted N-aryl lactams through the reaction of various kinds of corresponding substituted arenes with a variety of ω-azido alkanoic acid chlorides using a Lewis acid (i.e. EtAlCl2) at room temperature, through the in situ involvement of a Friedel-Crafts reaction followed by intramolecular Schimdt rearrangement was developed, and afforded good to excellent yields.

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