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133638-20-7

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133638-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133638-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,3 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133638-20:
(8*1)+(7*3)+(6*3)+(5*6)+(4*3)+(3*8)+(2*2)+(1*0)=117
117 % 10 = 7
So 133638-20-7 is a valid CAS Registry Number.

133638-20-7Downstream Products

133638-20-7Relevant articles and documents

One-pot green synthesis of Cu/bone nanocomposite and its catalytic activity in the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles and reduction of hazardous pollutants

Maham, Mehdi,Nasrollahzadeh, Mahmoud

, (2019)

In this work, a simple and green method is reported for the biosynthesis of Cu/bone nanocomposite using Cordyline fruticosa extract as a stabilizer and reductant. Animal bone was used as a natural support to prevent the accumulation of Cu nanoparticles. The catalytic activity of Cu/bone nanocomposite was assessed in the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles and reduction of various organic dyes, including 4-nitrophenol (4-NP), nigrosin (NS), congo red (CR) and methylene blue (MB). The best catalytic performance in the synthesis of 1-substituted tetrazoles was achieved using 0.05?g of Cu/bone nanocomposite at 120°C. In addition, under optimal conditions, the absorption bands corresponding to 4-NP, CR, NS and MB completely disappeared after about 6?min, 3?min, 50?s and 7?s, respectively. The biosynthesis protocol used in the preparation of Cu/bone nanocomposite offers a very attractive area for further research.

Docking, Synthesis, Spectral Characterization, and Evaluation of In Vitro Antifungal Activity of Bis/Monophenyl-1-aryl-1H-tetrazole-5-carboxylate

Sambandam, Chandrakumari,Dhanavel, Sivakumar,Haridoss, Manikandan,Mannuthusamy, Gopalakrishnan

, p. 2779 - 2786 (2019)

Some novel compounds of bis/monophenyl-1-aryl-1H-tetrazole-5-carboxylate were synthesized by the equimolar reaction between bis/mono-1-aryl-1H-tetrazole and phenyl chloroformate in the presence of NaOH in dry tetrahydrofuran. The content was stirred for 4

Novel two step synthesis of bis/Mono 1-aryl-1H-tetrazole-5-carboxylic acid

Chandrakumari, Sambandam,Sivakumar, Dhanavel,Manikandan, Haridoss,Gopalakrishnan, Mannuthusamy

, p. 1913 - 1925 (2019/05/15)

Some novel compounds of bis/mono 1-aryl-1H-tetrazole-5-carboxylic acid are synthesized by the hydrolysis of two different synthesized esters, they are ethyl-1-aryl-1H-tetrazole-5-carboxylate and ethyloxo(1-aryl-1H-tetrazol-5-yl)acetate. The ethyl-1-aryl-1

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