3H-pyrazol-3-one - ≥97% , CAS No.137-45-1

CAS: 137-45-1 Cat. No.: H173741 Fórmula: C3H4N2O Peso molecular: 84.078 Número EC: 878-599-0
Disponible para pedir
GRADE & PURITY ≥97%
Synonyms
2H-Pyrazol-3-ol | 1H-Pyrazol-5-ol | F30274 | 1H-pyrazol-3(2H)-one | 3-Pyrazolin-5-one | D5840 | DTXSID90929655 | 1H-Pyrazol-3-ol | 3H-Pyrazol-3-one,2-dihydro- | AKOS015854124 | SS-4955 | Pyrazolinone | U35JHQ8347 | J-504719 | AKOS006271398 | 1,2-Dihydro-3
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Alemania (EU)
USA*
Price
Qty
250mg
H173741-250mg
—
5 Disponible
8,59€
1g
H173741-1g
—
5 Disponible
9,46€
5g
H173741-5g
—
2 Disponible

16,40€

25,08€
Guardar 8,68 € (34.60%)
10g
H173741-10g
—
1 Disponible

19,87€

30,28€
Guardar 10,41 € (34.38%)
25g
H173741-25g
—
1 Disponible

44,17€

66,73€
Guardar 22,56 € (33.81%)
100g
H173741-100g
—
1 Disponible

172,59€

259,37€
Guardar 86,77 € (33.46%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Sinónimos
2H-Pyrazol-3-ol | 1H-Pyrazol-5-ol | F30274 | 1H-pyrazol-3(2H)-one | 3-Pyrazolin-5-one | D5840 | DTXSID90929655 | 1H-Pyrazol-3-ol | 3H-Pyrazol-3-one,2-dihydro- | AKOS015854124 | SS-4955 | Pyrazolinone | U35JHQ8347 | J-504719 | AKOS006271398 | 1,2-Dihydro-3
Especificaciones y pureza
≥97%
Condiciones de almacenamiento de almacenamiento
Room temperature,Argon charged
Enviado en
Normal
Pureza
≥97%
Nombres e identificadores
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488189613
Sonrisas canónicas
C1=CNNC1=O
IUPAC Name
1,2-dihydropyrazol-3-one
InChIKey
XBYRMPXUBGMOJC-UHFFFAOYSA-N
INCHI
1S/C3H4N2O/c6-3-1-2-4-5-3/h1-2H,(H2,4,5,6)
Isómeros SMILES
C1=CNNC1=O
Peso molecular
84.078
Reaxy-Rn
106267
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=106267&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClaseAzolines
SubclassPyrazolines
Intermediate Tree Nodes Not available
Direct ParentPyrazolones
Alternative Parents Vinylogous amides  Pyrazoles  Heteroaromatic compounds  Lactams  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyrazolinone - Heteroaromatic compound - Vinylogous amide - Pyrazole - Azole - Lactam - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescripciónThis compound belongs to the class of organic compounds known as pyrazolones. These are compounds containing a pyrazole ring which bears a ketone.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

18 results found

Lot NumberCertificate TypeFechaArticulo
C2620040Certificate of AnalysisMar 28, 2026 H173741
C2307677Certificate of AnalysisDec 12, 2025 H173741
C2307779Certificate of AnalysisDec 12, 2025 H173741
C2307765Certificate of AnalysisDec 12, 2025 H173741
C2307762Certificate of AnalysisDec 12, 2025 H173741
C2307761Certificate of AnalysisDec 12, 2025 H173741
C2307760Certificate of AnalysisDec 12, 2025 H173741
C2307759Certificate of AnalysisDec 12, 2025 H173741
C2307746Certificate of AnalysisDec 12, 2025 H173741
C2307732Certificate of AnalysisDec 12, 2025 H173741
C2307726Certificate of AnalysisDec 12, 2025 H173741
C2307664Certificate of AnalysisSep 27, 2022 H173741
K2208397Certificate of AnalysisSep 27, 2022 H173741
K2208398Certificate of AnalysisSep 27, 2022 H173741
K2208446Certificate of AnalysisSep 27, 2022 H173741
K2208464Certificate of AnalysisSep 27, 2022 H173741
K2208478Certificate of AnalysisSep 27, 2022 H173741
K2208490Certificate of AnalysisSep 27, 2022 H173741
Propiedades químicas y físicas
SensibilidadAir Sensitive
Punto de fusión (°C)163 °C
Peso molecular84.080 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass84.0324 Da
Monoisotopic Mass84.0324 Da
Topological Polar Surface Area41.100 Ų
Heavy Atom Count6
Formal Charge0
Complexity97.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Calculadoras de soluciones
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