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74982-79-9

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74982-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74982-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,8 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74982-79:
(7*7)+(6*4)+(5*9)+(4*8)+(3*2)+(2*7)+(1*9)=179
179 % 10 = 9
So 74982-79-9 is a valid CAS Registry Number.

74982-79-9Downstream Products

74982-79-9Relevant articles and documents

Synthesis of Polyfunctionally Substituted Pyridazines

Ghozlan, Said Ahmed Soliman,Mohamed, Mona Hassan,Fakhr, Yehia,Elnagdi, Mohamed Hilmy

, p. 293 - 296 (2007/10/02)

The pyridazines 3,4,5, and 7 were obtained by reaction of the hydrazone derivatives 2 with several reagents.By treatment of 5 with acetic acid/hydrochloric acid, the pyrazolopyridazine 6 was formed.The pyrido-pyridazine derivatives 8 and 9 were obtained by reaction of 2 and 3 with malononitrile and ethyl cyanoacetate, respectively, and the isoxazolo-pyridazines 11 by reaction of 3a,b with hydroxylamine hydrochloride in ethanolic sodium ethoxide solution.The intermediate 9 was separated by reaction of 3a,b with hydroxylamine hydrochloride in ethanolic sodium acetate solution.

Reactions with the Arylhydrazones of α-Cyanoketones: Utility of Arylhydrazonomesoxalonitriles for the Synthesis of Azoles and Azolines

Hafez, Ebtisam Abdel Aziz,Khalifa, Mohamed Ali Elsayed,Guda, Sayed Kamel Ahmed,Elnagdi, Mohamed Hilmy

, p. 485 - 489 (2007/10/02)

The arylhydrazonomesoxalonitriles derivatives 1 a-c were utilised for the synthesis of several new pyrimidine, pyridines, triazine and isoxazole derivatives.Compound 1a reacted with alkyl halides to yield the N-alkyl derivatives 12 a, b.The latter reacted

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