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42141-09-3

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42141-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42141-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,4 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42141-09:
(7*4)+(6*2)+(5*1)+(4*4)+(3*1)+(2*0)+(1*9)=73
73 % 10 = 3
So 42141-09-3 is a valid CAS Registry Number.

42141-09-3Downstream Products

42141-09-3Relevant articles and documents

Synthesis of Trisubstituted 1,2,4-Triazoles from Azlactones and Aryldiazonium Salts by a Cycloaddition/Decarboxylation Cascade

Yu, Xiao-Ye,Xiao, Wen-Jing,Chen, Jia-Rong

supporting information, p. 6994 - 6998 (2019/11/13)

Azlactones, also known as oxazolones, possess multiple reactive sites, and are thus widely used as versatile class of reagents in organic synthesis, particularly in cycloaddition reactions for heterocycle synthesis. However, the use of azlactones as three

Regioselective Synthesis of 1,2,4-Triazole and 1,2,4-Oxadiazole Derivatives

Perez, Miguel A.,Dorado, Carlos A.,Soto, Jose L.

, p. 483 - 486 (2007/10/02)

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