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42103-84-4

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42103-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42103-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,0 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42103-84:
(7*4)+(6*2)+(5*1)+(4*0)+(3*3)+(2*8)+(1*4)=74
74 % 10 = 4
So 42103-84-4 is a valid CAS Registry Number.

42103-84-4Downstream Products

42103-84-4Relevant articles and documents

Temperature-controlled synthesis of N-acyl anthranilamides and quinazoline-4ones via Pd-catalysed cascade consisting of isocyanide insertion

Khan, Irfan,Singh, Jaybir,Khan, Imran,Dutt, Sunil,Khan, Shahnawaz,Tyagi, Vikas

, p. 279 - 291 (2019/08/12)

A one step synthesis of functionlized N-acyl anthranilamide via Pd-catalyzed carboxamidation of o-halo substituted N-phenylamide consisting of isocyanide insertion followed by oxidation of the imine intermediate has been achived successfully. Furthermore,

Microwave-assisted one-pot synthesis of 2,3-disubstituted 3H-quinazolin-4-ones

Liu, Ji-Feng,Lee, Jaekyoo,Dalton, Audra M.,Bi, Grace,Yu, Libing,Baldino, Carmen M.,McElory, Eric,Brown, Matt

, p. 1241 - 1244 (2007/10/03)

A practical synthesis of 2,3-disubstituted 3H-quinazolin-4-ones 1 with broad chemistry scope is described. The key step is the microwave promoted one-pot, two-step reaction sequence combining anthranilic acids, carboxylic acids, and amines providing efficient access to this important class of heterocycles.

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