Detail of "557-01-7"

CAS Number:
557-01-7
Name:
2-Hydroxypyrimidine
Molecular Structure:
Formula:
C₄H₄N₂O
Molecular Weight:
96.09
Deleted CAS:
2209-57-6
Synonyms:
2-Oxopyrimidine;2-Pyrimidinone;2-Pyrimidone;NSC 618280;2(1H)-Pyrimidinone;2(1H)-Pyrimidone;1,2-Dihydropyrimidin-2-one;
EINECS:
209-149-8
Density:
1.28 g/cm³
Boiling Point:
309.2 °C at 760 mmHg
Flash Point:
140.8 °C
Hazard Symbols:
Xn
Risk Codes:
36/37/38-40
Safety:
22-26-36 Details

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Azoreductase activity of liver aldehyde oxidase: Azoreductase activity of liver aldehyde oxidase. Kitamura, Shigeyuki; Tatsumi, Kiyoshi (Sch. Med., Hiroshima Univ., Hiroshima 734, Japan). Chem. Pharm. Bull., 31(9), 3334-7 (English) 1983. CODEN: CPBTAL. ISSN: 0009-2363. DOCUMENT TYPE: Journal CA Section: 1 (Pharmacology) Section cross-reference(s): 4, 7 Rabbit liver cytosol exhibited a significant azoreductase activity toward methyl red [493-52-7] and methyl orange [547-58-0] in the presence of acetaldehyde [75-07-0], 2-hydroxypyrimidine [557-01-7], or N1-methylnicotinamide [3106-60-3] under anaerobic conditions. In this case, methyl red was more readily reduced than methyl orange. 9029-07-6 and 75-07-0 which are cas registry numbers of chemicals are mentioned. The aldehyde and N-heterocyclic compds. are elec. donors of aldehyde oxidase [9029-07-6]. This is the first evidence that rabbit liver aldehyde oxidase supplemented with its electron donors functions as an azoreductase towards azo compds. .

Nucleic acid components and their analogs: Nucleic acid components and their analogs. CXCI.Several reagents such as 557-01-7 is used here. 5-Fluoro-2-pyrimidinone and its N1-substituted derivatives. Cech, D.; Beerbaum, H.; Holy, A. (Humboldt-Univ., Berlin, E. Ger.). Collect. Czech. Chem. Commun. 557-01-7 is the cas registry number of certain chemical which is used as reagents here., 42(9), 2694-700 (English) 1977. CODEN: CCCCAK. DOCUMENT TYPE: Journal CA Section: 33 (Carbohydrates) Section cross-reference(s): 28 Fluoropyrimidinones I (R = H, Me, PhCH2, tri-O-acyl-b-D-ribofuranosyl, -xylofuranosyl, -ribopyranosyl; acyl = Bz, Ac) were prepd. by feeding at 0° a mixt. of F and N into a soln. of the N1-substituted 2-pyrimidinones in anhyd. HF. Methanolysis of 1-(2,3,5-tri-O-benzoyl-b-D-ribofuranosyl)-5-fluoro-2-pyrimidinone with MeOH-NaOMe gave I (R = b-D-ribofuranosyl). ..