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1306738-72-6

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1306738-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1306738-72-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,6,7,3 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1306738-72:
(9*1)+(8*3)+(7*0)+(6*6)+(5*7)+(4*3)+(3*8)+(2*7)+(1*2)=156
156 % 10 = 6
So 1306738-72-6 is a valid CAS Registry Number.

1306738-72-6Downstream Products

1306738-72-6Relevant articles and documents

Microwave Mediated Facile Synthesis of Some Novel Pyrazole, Pyrazolo[1,5-a]pyrimidine and pyrazolo[5,1-c] [1,2,4]triazin derivatives

Elnagdi,Elnagdy, Hanan M. F.,Elkholy

, p. 903 - 914 (2013/05/09)

4-PHENYL-2H-pyrazol-3-ylamine 3 has been prepared by reaction of 2-phenyl-3-piperidine-1-yl-acrylonitrile(6) with hydrazine hydrate under microwave irradiation. Compound 3 reacted with acetylacetone and ethyl acetoacetate to yield pyrazolopyrimidine derivatives 7 and 8, respectively. Pyrazolopyrimidine derivative 11 can be formed by reaction of 3 with 2-ethoxymethylene-malononitrile. Compound 3 can be diazotised to yield the diazonium chloride and coupled with 6 to yield pyrazolotriazine derivative 25. Structures of the synthesized compounds were confirmed by their IR and NMR spectroscopic data.

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