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HCID 587797Erstellt: 2. November 2026

1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid

TIMTEC-BB SBB010494 · CHEMBRDG-BB 4402460 · Sildenafil Impurity 57 · ASINEX-REAG BAS 02107705 · Methisosildenafil Impurity 14 · 2-methyl-5-propyl-3-pyrazolecarboxylate · 2-methyl-5-propylpyrazole-3-carboxylic acid · 1-Methyl-3-propylpyrazole-5-carboxylic acid

https://huagongshe.com/de/chemical/587797

Molekülstruktur von 1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid

Identifikatoren & physikalische Daten

CAS No.139755-99-0
SummenformelC8H12N2O2
Durchschnittliche Molmasse168,19 g/mol
Monoisotopische Masse168,08987763 g/mol
SMILESCCCc1cc(C(=O)O)n(C)n1
InChIKeyKOABFSONXOOIIH-UHFFFAOYSA-N
PubChem CID587797
EC No.834-280-8
DTXSIDDTXSID10343157

Chemische & physikalische Eigenschaften

XLogP1,3
Polarare Oberfläche (TPSA)55,1
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen3
Schwere Atome12
Formalladung0
Komplexität172
Schmelzpunkt150-154 °C
Siedepunkt330.3±30.0 °C(Predicted)
Dichte1.19±0.1 g/cm3(Predicted)
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitChloroform (Sightly), Methanol (Slightly)
AggregatzustandSolid
pKa (Säurekonstante)3.10±0.25(Predicted)
FarbeOff-White to Pale Beige
CAS Datenbank139755-99-0(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (100%): 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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Zollcode29331990
R-Sätze (R)20/21/22
Sicherheitshinweise (S)3/9-24/25-36/37
GefahrenklasseIRRITANT

Anwendungen & Verwendung

Verwenden

Intermediate in the production of Sildenafil and respective analogs.