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51029-16-4

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51029-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51029-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,0,2 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51029-16:
(7*5)+(6*1)+(5*0)+(4*2)+(3*9)+(2*1)+(1*6)=84
84 % 10 = 4
So 51029-16-4 is a valid CAS Registry Number.

51029-16-4Upstream product

51029-16-4Relevant articles and documents

Synthesis of 3-aryl-5-methyl 4-substituted [1,2,4]triazoles

Lindstroem, Johan,Johansson, Martin

, p. 2217 - 2229 (2007/10/03)

Treatment of N -substituted acetamides with oxalyl chloride generates imidoyl chlorides, which react readily with aryl hydrazides. Following cyclization, triazoles can easily be obtained in moderate to good yields. 5-Methyl triazoles can be further functionalized through α-lithiation and subsequent reaction with an electrophile. Copyright Taylor & Francis Group, LLC.

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