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HCID 499Erstellt: 25. Oktober 2026

5-Oxo-DL-prolin

2-PYRROLIDONE-5-CARBOXYLIC ACID · H-DL-PYR-OH · DL-Pyr-OH · 5-OXO-DL-PROLINE · DL-Proline, 5-oxo- · DL-PYR · DL- pGlu-OH · DL-5-Oxoproline

https://huagongshe.com/de/chemical/499

Molekülstruktur von 5-Oxo-DL-prolin

Identifikatoren & physikalische Daten

CAS No.149-87-1
SummenformelC5H7NO3
Durchschnittliche Molmasse129,11 g/mol
Monoisotopische Masse129,04259308 g/mol
SMILESO=C1CCC(C(=O)O)N1
InChIKeyODHCTXKNWHHXJC-UHFFFAOYSA-N
PubChem CID499
ChEBICHEBI:16010
EC No.205-748-3
DTXSIDDTXSID80859174
Lokaler Name5-Oxo-DL-prolin

Chemische & physikalische Eigenschaften

XLogP-0,8
Polarare Oberfläche (TPSA)66,4
H-Brücken-Donoren2
H-Brücken-Akzeptoren3
Frei drehbare Bindungen1
Schwere Atome9
Formalladung0
Komplexität154
Schmelzpunkt183-185 °C(lit.)
Siedepunkt239.15°C (rough estimate)
Dichte1.3816 (rough estimate)
Dampfdruck0Pa at 25℃
Brechungsindex1.4220 (estimate)
LagerbedingungenSealed in dry,Room Temperature
Löslichkeit52g/l5.67 g/100 mL (20 ºC)
pKa (Säurekonstante)3.48±0.20(Predicted)
AggregatzustandCrystalline Powder
FarbeWhite
pH1.7 (50g/l, H2O, 20℃)
BRN82131
Hauptanwendungenpeptide synthesis
InChI1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)
InChIKeyODHCTXKNWHHXJC-UHFFFAOYSA-N
SMILESOC(=O)C1CCC(=O)N1
LogP (Verteilungskoeffizient)0.065 at 21.1℃
CAS Datenbank149-87-1(CAS DataBase Reference)
NIST chemische InformationenDL-5-Oxoproline(149-87-1)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 54.5% (60 of 110) of all reports.WarningH302 (36.4%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 110 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: DL-Proline, 5-oxo-Status: Active Update: 19-11-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/23377Proline, 5-oxo-: Non hazardous
Weitere SicherheitsinformationenIMAP assessments - DL-Proline, 5-oxo-: Environment tier I assessment
Hazard Classes and CategoriesAcute Tox. 4 (36.4%)
Wassergefährdungsklasse (WGK)3
Zollcode29337900
R-Sätze (R)22-36/37/38
GefahrensymboleXn,Xi
Sicherheitshinweise (S)26-37/39
GefahrenklasseIRRITANT
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

DL-Pyroglutamic acid is used in the preparation of AZT steroid conjugates as potent anti-HIV agents.