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113094-18-1

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113094-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113094-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,0,9 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 113094-18:
(8*1)+(7*1)+(6*3)+(5*0)+(4*9)+(3*4)+(2*1)+(1*8)=91
91 % 10 = 1
So 113094-18-1 is a valid CAS Registry Number.

113094-18-1Downstream Products

113094-18-1Relevant articles and documents

STEREOCHEMICAL STUDIES 107; SATURATED HETEROCYCLES 111; PREPARATION OF URACILS VIA CYCLOREVERSION OF NORBORNENE-FUSED PYRIMIDINEDIONES

Bernath, Gabor,Stajer, Geza,Szabo, Angela E.,Szoeke-Molnar, Zsolt,Sohar, Pal,et al.

, p. 1921 - 1930 (2007/10/02)

From diexo-norbornane- and norbornene-azetidinones 5 and 6 with aryl isocyanates, N-arylcarbamoyl-substituted β-lactams (9 and 10) were prepared.The structures of the compounds were elucidated by IR, NMR spectroscopy and X-ray analysis, in comparison with saturated methylene-bridged quinazoline-2,4-diones (7a-b) prepared from norbornane-diexo-β-amino acid (1) with isocyanates and PPA.When heated with PPA, compounds 9 can be isomerized to 7.For preparation of the unsaturated compounds 8, the amino acid 2 was converted into the acid amides (13) and cyclized with 1,1'-carbonyl-diimidazole to tricyclic quinazoline-2,4-dione (8a-e), which decompose when heated, splitting off cyclopentadiene to yield 3-substituted uracils (14).

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