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380653-16-7

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380653-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 380653-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,6,5 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 380653-16:
(8*3)+(7*8)+(6*0)+(5*6)+(4*5)+(3*3)+(2*1)+(1*6)=147
147 % 10 = 7
So 380653-16-7 is a valid CAS Registry Number.

380653-16-7Relevant articles and documents

A metal-free tandem approach to prepare structurally diverse N-heterocycles: Synthesis of 1,2,4-oxadiazoles and pyrimidinones

Gupta, Puneet K.,Hussain, Mohd. Kamil,Asad, Mohd.,Kant, Ruchir,Mahar, Rohit,Shukla, Sanjeev K.,Hajela, Kanchan

, p. 3062 - 3070 (2014/07/07)

A metal-free one-pot approach to the diversity oriented synthesis of N-heterocycles, 1,2,4-oxadiazoles and 2,6 disubstituted pyrimidin-4-ones is described via carboxamidation of amidines with aryl carboxylic acids and aryl propargylic acids. The reactions occur at room temperature forming N-acylamidines which undergo tandem nucleophilic addition-deamination- intramolecular cyclisation to give the corresponding heterocyclic compounds in good to excellent yields. This one pot approach has led to the successful synthesis of the drug lead molecule, ataluren, 3-(5-(2-fluorophenyl)-1,2,4- oxadiazol-3-yl) benzoic acid in two steps. the Partner Organisations 2014.

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