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298216-14-5

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298216-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 298216-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,8,2,1 and 6 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 298216-14:
(8*2)+(7*9)+(6*8)+(5*2)+(4*1)+(3*6)+(2*1)+(1*4)=165
165 % 10 = 5
So 298216-14-5 is a valid CAS Registry Number.

298216-14-5Relevant articles and documents

A facile and simple synthesis of novel isoxazolyl benzo[f][l,4]oxazepin-3-(2H)-ones and their antimicrobial activity

Kakkerla, Ramu,Marri, Nivas,Murali Krishna,Rajam

, p. 823 - 829 (2019/05/21)

A series of novel isoxazolyl benzo[f][l,4]oxazepin-3-(2H)-ones (9a-h) have been synthesized by adopting a facile and. simple methodology. The reaction of 3-arnino-5-methylisoxazole (5) with salicylaldehydes (6), followed by reduction with " NaBH4, and in situ chloroacetylation and cyclization with chloroacetyl chloride and triethyl amine affords isoxazolyl benzo[f][l,4]oxazepin-3-(2H)-ones (9a-h). The newly synthesized compounds (7-9) have been characterized by spectral (IR, 1H and 13C NMR, and HRMS) data. The title compounds (9a-h) have been evaluated for their in vitro antimicrobial activity against different bacterial and fungal strains. Compounds 9b, 9f and 9g show excellent antimicrobial activity, when compared to the respective standard drugs.

A simple method for the synthesis of 5-isoxazolyl-4-thioxo-1,3,5- benzoxadiazocines

Rajanarendar,Rao, E. Kalyan,Reddy, A. Siva Rami

experimental part, p. 134 - 137 (2009/05/07)

Synthesis of novel isoxazolyl 1,3,5-benzoxadiazocines 5 has been accomplished by condensation of 3-amino-5-methylisoxazole 1 with salicylaldehydes, followed by reduction, treatment with arylisothio-cyanates, and subsequent ring closure in the presence of

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