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107583-03-9

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107583-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107583-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,8 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 107583-03:
(8*1)+(7*0)+(6*7)+(5*5)+(4*8)+(3*3)+(2*0)+(1*3)=119
119 % 10 = 9
So 107583-03-9 is a valid CAS Registry Number.

107583-03-9Relevant articles and documents

An unusual polyheterocyclic diversity by the π-cyclisation of N-carbamoyliminium ion, with or without tandem N,N-acetal cleavage, from spiro(imidazolidinoquinazolinones)

Pesquet, Anthony,Daich, Adam,Coste, Servane,Van Hijfte, Luc

, p. 1389 - 1396 (2008/12/21)

Spiro(imidazolidinoquinazolinones), obtained easily in one step from 1-carbamoylisatins, are readily converted in three steps by successive N-alkylations and sodium borohydride regio-selective reduction into the corresponding hydroxyspirolactams. The latt

Quinazolin-2-ones having a spirohydantoin ring. III. A general and efficient synthesis of 3'-substituted spiro[imidazolidine-4,4'(1'H)-quinazoline]-2,2',5(3'H)-triones

Yamagishi,Ozaki,Yamada,Da-Te,Okamura,Suzuki

, p. 1694 - 1698 (2007/10/02)

The reaction of 1-carbamoylisatins 2 with 2-ethyl-2-isothiourea hydrobromide in the presence of triethylamine followed by acid-catalyzed cyclization of the resulting 4-(2-ethyl-2-isothioureido)carbonyl-3,4-dihydro-4-hydroxy-2(1H)- quinazolinones provides

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