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332021-26-8

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332021-26-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 332021-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,2,0,2 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 332021-26:
(8*3)+(7*3)+(6*2)+(5*0)+(4*2)+(3*1)+(2*2)+(1*6)=78
78 % 10 = 8
So 332021-26-8 is a valid CAS Registry Number.

332021-26-8Relevant articles and documents

Facile synthesis of N-acylbenzotriazoles from carboxylic acids mediated by 2,4,6-trichloro-1,3,5-triazine and triethylamine

Wet-Osot, Sirawit,Duangkamol, Chuthamat,Pattarawarapan, Mookda,Phakhodee, Wong

, p. 959 - 963 (2015)

Abstract A facile, efficient, and economic method toward N-acylbenzotriazoles was reported using 2,4,6-trichloro-1,3,5-triazine in combination with triethylamine as a carboxylic acid activator. Through reacting 1H-benzotriazole with the generated triacylated triazine intermediate, a series of N-acylbenzotriazoles could be rapidly prepared in high yields without column chromatography.

An Improved N-Acylation of 1 H-Benzotriazole Using 2,2′-Dipyridyl?-di?-sulfide and Triphenylphosphine

Singh, Anoop S.,Agrahari, Anand K.,Mishra, Nidhi,Singh, Mala,Tiwari, Vinod K.

, p. 470 - 476 (2019/01/10)

A novel path has been developed for the conversion of carboxylic acids into the corresponding N-acylbenzotriazoles by using 2,2′-dipyridyl disulfide/PPh 3 in anhydrous dichloromethane in the presence of 1 H-benzotriazole. Mild reaction conditio

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