4-Aminopyrazole - ≥95% , CAS No.28466-26-4

CAS: 28466-26-4 Cat. No.: A135058 Formule: C3H5N3 Poids moléculaire: 83.09 Numéro CE: 625-292-2
DISPONIBLE À COMMANDE
GRADE & PURITY ≥95%
Synonyms
AXINVSXSGNSVLV-UHFFFAOYSA-N | 1,2-diazolium-4-aminide | SY006645 | DTXSID90182682 | 4-Aminopyrazole | P2523 | 1-H-pyrazol-4-amine | 1H-Pyrazol-4-amine | 4-NH2-pyrazole | 4-Amino-1H-pyrazole | 1H-Pyrazol-4-amine (9CI) | InChI=1/C3H5N3/c4-3-1-5-6-2-3/h1-2H,
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
USA
Allemagne (EU)*
Price
Qty
250mg
A135058-250mg
4 En stock
—

13,90$US

20,90$US
Enregistrer 7,00 $US (33.49%)
1g
A135058-1g
5 En stock
—

25,90$US

38,90$US
Enregistrer 13,00 $US (33.42%)
5g
A135058-5g
3 En stock
—

31,90$US

47,90$US
Enregistrer 16,00 $US (33.40%)
10g
A135058-10g
Sur commande · 8–12 semaines

38,90$US

58,90$US
Enregistrer 20,00 $US (33.96%)
25g
A135058-25g
3 En stock
—

95,90$US

143,90$US
Enregistrer 48,00 $US (33.36%)
100g
A135058-100g
Sur commande · 8–12 semaines

382,90$US

574,90$US
Enregistrer 192,00 $US (33.40%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥95% 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Vue d’ensemble

Application

4-Aminopyrazole, is a versatile building block for the preparation of pharmaceutical and biologically active compounds. 4-Amino-1H-pyrazole, has also shown to have anticonvulsant activity, and thus can be used in the treatment of epileptic seizures.

Specifications

Synonymes
AXINVSXSGNSVLV-UHFFFAOYSA-N | 1,2-diazolium-4-aminide | SY006645 | DTXSID90182682 | 4-Aminopyrazole | P2523 | 1-H-pyrazol-4-amine | 1H-Pyrazol-4-amine | 4-NH2-pyrazole | 4-Amino-1H-pyrazole | 1H-Pyrazol-4-amine (9CI) | InChI=1/C3H5N3/c4-3-1-5-6-2-3/h1-2H,
Spécifications et pureté
≥95%
Conditions de stockage de stockage
Room temperature,Argon charged
Expédié en
Normal
Pureté
≥95%
Noms et identifiants
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488185499
Sourires canoniques
C1=C(C=NN1)N
IUPAC Name
1H-pyrazol-4-amine
InChIKey
AXINVSXSGNSVLV-UHFFFAOYSA-N
INCHI
1S/C3H5N3/c4-3-1-5-6-2-3/h1-2H,4H2,(H,5,6)
Isomères SMILES
C1=C(C=NN1)N
WGK Allemagne
3
RTECS
UQ4993000
Poids moléculaire
83.09
Reaxy-Rn
1619
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1619&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
ClasseAzoles
SubclassPyrazoles
Intermediate Tree Nodes Not available
Direct ParentPyrazoles
Alternative Parents Heteroaromatic compounds  Azacyclic compounds  Primary amines  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Pyrazole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Amine - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazoles. These are compounds containing a pyrazole ring, which is a five-member aromatic ring with two nitrogen atoms (at positions 1 and 2) and three carbon atoms.
External Descriptors Not available
Structure 3D
Modèle de structure chimique interactif





Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
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.

11 results found

Lot NumberCertificate TypeDateArticle
C23031379Certificate of AnalysisSep 01, 2026 A135058
C23031380Certificate of AnalysisSep 01, 2026 A135058
C23031388Certificate of AnalysisSep 01, 2026 A135058
C23031406Certificate of AnalysisSep 01, 2026 A135058
C2620010Certificate of AnalysisMar 27, 2026 A135058
J2520010Certificate of AnalysisOct 21, 2025 A135058
L1705024Certificate of AnalysisFeb 08, 2025 A135058
E2231018Certificate of AnalysisMar 20, 2022 A135058
E2231064Certificate of AnalysisMar 20, 2022 A135058
E2231085Certificate of AnalysisMar 20, 2022 A135058
E2231093Certificate of AnalysisMar 20, 2022 A135058
Propriétés chimiques et physiques
SensibilitéLight & Moisture & air sensitive
Point de fusion (°C)77-82°C
Poids moléculaire83.090 g/mol
XLogP3-1.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass83.0483 Da
Monoisotopic Mass83.0483 Da
Topological Polar Surface Area54.700 Ų
Heavy Atom Count6
Formal Charge0
Complexity45.300
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
FAQ et articles
Citations of This Product
Calculateurs de solution
Avis

Avis des clients

Foire aux questions

What is the purity of this product?
This product is supplied at ≥95% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 28466-26-4, the molecular formula is C3H5N3, and the molecular weight is 83.09 g/mol. InChIKey AXINVSXSGNSVLV-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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