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HCID 90301Erstellt: 27. Oktober 2026

2,4-Dihydroxypyrimidin-5-carbonsure

Uracil 5-carboxylate · 5-Pyrimidinecarboxylic · URACIL-5-CARBOXYLIC ACID · NSC 79561 · ISO-OROTIC ACID · 5-carboxyuracil · Uracil Impurity 1 · RARECHEM AL BO 2377

https://huagongshe.com/de/chemical/90301

Molekülstruktur von 2,4-Dihydroxypyrimidin-5-carbonsure

Identifikatoren & physikalische Daten

CAS No.23945-44-0
SummenformelC5H4N2O4
Durchschnittliche Molmasse156,1 g/mol
Monoisotopische Masse156,01710661 g/mol
SMILESO=C(O)c1c[nH]c(=O)[nH]c1=O
InChIKeyZXYAAVBXHKCJJB-UHFFFAOYSA-N
PubChem CID90301
ChEMBLCHEMBL1213478
ChEBICHEBI:17477
EC No.245-947-2
DTXSIDDTXSID1066942
Lokaler Name2,4-Dihydroxypyrimidin-5-carbonsure

Chemische & physikalische Eigenschaften

XLogP-0,7
Polarare Oberfläche (TPSA)95,5
H-Brücken-Donoren3
H-Brücken-Akzeptoren4
Frei drehbare Bindungen1
Schwere Atome11
Formalladung0
Komplexität268
SpringerMaterials PropertiesNuclear quadrupole resonance spectroscopy
Collision Cross Section118.9 Ų [M-H]- [CCS Type: DTMethod: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]122.93 Ų [M-H]- [CCS Type: DTMethod: stepped-field]119.3 Ų [M-H]-
Schmelzpunkt283 °C (dec.)(lit.)
Siedepunkt280.29°C (rough estimate)
Dichte1.6814 (rough estimate)
Brechungsindex1.4800 (estimate)
LagerbedingungenInert atmosphere,Room Temperature
LöslichkeitSoluble in DMSO1.8g/L(20 ºC)
AggregatzustandCrystalline Powder
pKa (Säurekonstante)5.08±0.20(Predicted)
FarbeWhite to slightly yellow
InChIInChI=1S/C5H4N2O4/c8-3-2(4(9)10)1-6-5(11)7-3/h1H,(H,9,10)(H2,6,7,8,11)
InChIKeyZXYAAVBXHKCJJB-UHFFFAOYSA-N
SMILESC1(=O)NC=C(C(O)=O)C(=O)N1
CAS Datenbank23945-44-0(CAS DataBase Reference)
EPA chemische Informationen5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-2,4-dioxo- (23945-44-0)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29335990
R-Sätze (R)36/37/38
Sicherheitshinweise (S)24/25
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

2,4-Dihydroxypyrimidine-5-carboxylic acid (Uracil-5-carboxylic acid) has been used for the visual sensing of melamine (at parts-per-billion (ppb) level) by a highly sensitive analytical method based on Au nanoparticles.