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5067-80-1

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5067-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5067-80-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,6 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5067-80:
(6*5)+(5*0)+(4*6)+(3*7)+(2*8)+(1*0)=91
91 % 10 = 1
So 5067-80-1 is a valid CAS Registry Number.

5067-80-1Relevant articles and documents

A simple one-pot methodology for the synthesis of substituted benzoylguanidines from benzoylthioureas using tert-butyl hydroperoxide

Esteves, Henrique,De Fátima, ?ngelo,Castro, Rosane De P.,Sabino, José R.,MacEdo, Fernando,Brito, Tiago Oliveira

, p. 6872 - 6874 (2015/11/27)

The potential of tert-butyl hydroperoxide as a reagent in the guanylation of benzoylthioureas in the presence of amines has been evaluated in a systematic study involving substrates bearing N2-substituents with different electronic properties. The results show that tBuOOH is a suitable and robust reagent for the synthesis of either N1,N2,N3-tri- and tetrasubstituted or N1,N2-disubstituted guanidines from N2-substituted N1-benzoylthioureas and N1-benzoylthioureas, respectively. The recrystallised guanylation adducts were readily obtained in good yields and at high purity levels after a simple one-pot reaction procedure. The crystal structures of two novel benzoylguanidines are provided.

Reactions with N-Acylimino-dithiocarbonic-acid-diesters

Augustin, M.,Richter, M.,Salas, S.

, p. 55 - 68 (2007/10/02)

Reactions of N-acylimino-dithiocarbonic-acid-S,S-diesters 1 with nucleophilic compounds present new possibilities to synthesize heterocycles.With amines 1a reacts by mono- and disubstitution, respectively, of methylthio-groups to isothioureas 2 and guanidines 3, with 1,2-binucleophilic arenes to benzoheterocycles 4, with aliphatic diamines to imidazolines 5, pyrimidines 6, diazepines 7 and the hexamethylene-diamine-derivatives 8. 1a reacts also with hydrazines to 1,2,4-triazoles 9 and with hydrazides to the thiosemicarbazones 10 or 1,3,4-oxadiazoles 11.Heterocyclisations of 1 with guanidines, thiourea, salts of thiourea and amidines give the 1,3,5-triazines 12, 14, 15 and 16.N-benzoyl-dithiocarbonic-acid-methylester -amid reacts with CH-acidic compounds to thiazoles 17.The structures of the final products are determined by i.r.-, 1H-n.m.r.-, u.v.- and mass-spectras.

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