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CAS No 492-11-5 , 2-amino-5,8-dihydro-1H-pteridine-4,6,7-trione Search by region : Germany

  • Name: 2-amino-5,8-dihydro-1H-pteridine-4,6,7-trione
  • Synonyms: Spectrum2_000587; 492-11-5; Spectrum4_001724; SpecPlus_000324; Spectrum3_000761;Leikopterin; Leukopterin; Spectrum_001136;2-amino-5,8-dihydro-1H-pteridine-4,6,7-trione;
  • CAS Registry Number:
  • Density: 2.45g/cm3
  • Refractive index: 2.076
  • EINECS: 207-747-3
  • Molecular Weight: 195.1356
  • InchiKey: SFLOGVVDXPCWGR-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H5N5O3/c7-6-10-2-1(3(12)11-6)8-4(13)5(14)9-2/h(H,8,13)(H4,7,
    9,10,11,12,14)
  • Molecular Formula: C6H5N5O3
  • Molecular Structure:CAS No:492-11-5 2-amino-5,8-dihydro-1H-pteridine-4,6,7-trione

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492-11-5 Leucopterin

  • Leucopterin
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References of 2-amino-5,8-dihydro-1H-pteridine-4,6,7-trione
Title: Leucopterin
CAS Registry Number: 492-11-5
CAS Name: 2-Amino-5,8-dihydro-4,6,7(1H)-pteridinetrione
Synonyms: 2-amino-4,6,7-pteridinetriol; 2-amino-4,6,7-trihydroxypteridine; 2-amino-4,6,7-trihydroxypyrimido[4,5-b]pyrazine
Molecular Formula: C6H5N5O3
Molecular Weight: 195.14
Percent Composition: C 36.93%, H 2.58%, N 35.89%, O 24.60%
Literature References: A colorless substance found in the wings of butterflies (especially of white-winged butterflies). May be obtained from xanthopterin by dehydrogenation: Wieland, Purrmann, Ann. 544, 172 (1940). Synthesis by fusing 2,4,5-triamino-6-hydroxypyrimidine with an excess of oxalic acid: Purrmann, ibid. 188. See also ref under Xanthopterin and review on pterins by Purrmann, Fortschr. Chem. Org. Naturst. 4, 64 (1945).
Properties: Fine colorless crystals forming yellow Na and Ag salts, and a sparingly sol NH4 salt. Soluble in alkaline solns with blue fluorescence.