Pyrrole - ≥99% , CAS No.109-97-7

CAS: 109-97-7 Cat. No.: P104879 Formula: C4H5N Molecular Weight: 67.09 Beilstein Registry Number: 1159 EC Number: 203-724-7
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
Imidole | 1-Aza-2,4-cyclopentadiene | Azole | Divinylenimine | 1H-Pyrrole | Monopyrrole
Storage
Store at 2-8°C,Protected from light,Argon charged,Desiccated
Shipped In
Wet ice,FedEx DG Service
★
Size
USA
Germany (EU)*
Price
Qty
5ml
P104879-5ml
In stock ≥10
—
$9.90
25ml
P104879-25ml
3 In stock
—
$34.90
100ml
P104879-100ml
8 In stock
—
$83.90
500ml
P104879-500ml
1 In stock
—
$299.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Argon charged,Desiccated Ships Wet ice,FedEx DG Service 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 1320 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Pyrrole is a heterocyclic aromatic compound that can undergo electrophilic aromatic substitution.

Specifications

Synonyms
Imidole | 1-Aza-2,4-cyclopentadiene | Azole | Divinylenimine | 1H-Pyrrole | Monopyrrole
Specifications & Purity
≥99%
Storage
Store at 2-8°C,Protected from light,Argon charged,Desiccated
Shipped In
Wet ice,FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥99%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504751548
Canonical Smiles
C1=CNC=C1
IUPAC Name
1H-pyrrole
InChIKey
KAESVJOAVNADME-UHFFFAOYSA-N
INCHI
1S/C4H5N/c1-2-4-5-3-1/h1-5H
Isomeric SMILES
C1=CNC=C1
WGK Germany
2
RTECS
UX9275000
UN Number
1992
Packing Group
III
Molecular Weight
67.09
Beilstein
1159
Reaxy-Rn
1159
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1159&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
ClassHeteroaromatic compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentHeteroaromatic compounds
Alternative Parents Pyrroles  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Pyrrole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as heteroaromatic compounds. These are compounds containing an aromatic ring where a carbon atom is linked to an hetero atom.
External Descriptors a pyrrole
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TBXAS1 Tchem Thromboxane-A synthase (3355 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

82 results found

Lot NumberCertificate TypeDateItem
G2620242Certificate of AnalysisJul 09, 2026 P104879
G2620243Certificate of AnalysisJul 09, 2026 P104879
G2620244Certificate of AnalysisJul 09, 2026 P104879
G2620245Certificate of AnalysisJul 09, 2026 P104879
G2620247Certificate of AnalysisJul 09, 2026 P104879
G2601143Certificate of AnalysisDec 30, 2025 P104879
G2614071Certificate of AnalysisDec 30, 2025 P104879
A2612581Certificate of AnalysisDec 30, 2025 P104879
A2612577Certificate of AnalysisDec 30, 2025 P104879
A2612576Certificate of AnalysisDec 30, 2025 P104879
A2612574Certificate of AnalysisDec 30, 2025 P104879
A2612572Certificate of AnalysisDec 30, 2025 P104879
E2620037Certificate of AnalysisDec 30, 2025 P104879
G2504309Certificate of AnalysisJun 23, 2025 P104879
G2504310Certificate of AnalysisJun 23, 2025 P104879
G2504562Certificate of AnalysisJun 23, 2025 P104879
G2504586Certificate of AnalysisJun 23, 2025 P104879
G2504595Certificate of AnalysisJun 23, 2025 P104879
L2522029Certificate of AnalysisJun 23, 2025 P104879
K2510011Certificate of AnalysisJun 23, 2025 P104879
B2528446Certificate of AnalysisJan 20, 2025 P104879
B2528445Certificate of AnalysisJan 20, 2025 P104879
B2528444Certificate of AnalysisJan 20, 2025 P104879
B2528443Certificate of AnalysisJan 20, 2025 P104879
F2509112Certificate of AnalysisJan 20, 2025 P104879
A2503207Certificate of AnalysisJan 06, 2025 P104879
J2411654Certificate of AnalysisSep 26, 2024 P104879
J2411669Certificate of AnalysisSep 26, 2024 P104879
F2517132Certificate of AnalysisSep 26, 2024 P104879
J2411668Certificate of AnalysisSep 26, 2024 P104879
J2411667Certificate of AnalysisSep 26, 2024 P104879
G2418559Certificate of AnalysisJul 06, 2024 P104879
G2418561Certificate of AnalysisJul 06, 2024 P104879
G2418562Certificate of AnalysisJul 06, 2024 P104879
G2418564Certificate of AnalysisJul 06, 2024 P104879
F2403125Certificate of AnalysisMay 21, 2024 P104879
F2403126Certificate of AnalysisMay 21, 2024 P104879
F2403127Certificate of AnalysisMay 21, 2024 P104879
F2403128Certificate of AnalysisMay 21, 2024 P104879
F2403124Certificate of AnalysisMay 21, 2024 P104879
D2418388Certificate of AnalysisApr 11, 2024 P104879
D2418389Certificate of AnalysisApr 11, 2024 P104879
D2418440Certificate of AnalysisApr 11, 2024 P104879
D2418441Certificate of AnalysisApr 11, 2024 P104879
D2418625Certificate of AnalysisApr 11, 2024 P104879
D2409276Certificate of AnalysisMar 11, 2024 P104879
L2307419Certificate of AnalysisNov 27, 2023 P104879
L2307418Certificate of AnalysisNov 27, 2023 P104879
L2307417Certificate of AnalysisNov 27, 2023 P104879
L2307416Certificate of AnalysisNov 27, 2023 P104879
A2429359Certificate of AnalysisNov 27, 2023 P104879
L2307420Certificate of AnalysisNov 27, 2023 P104879
L2307421Certificate of AnalysisNov 27, 2023 P104879
L2307422Certificate of AnalysisNov 27, 2023 P104879
L2307423Certificate of AnalysisNov 27, 2023 P104879
L2307424Certificate of AnalysisNov 27, 2023 P104879
G2303236Certificate of AnalysisJun 25, 2023 P104879
I2301166Certificate of AnalysisJun 25, 2023 P104879
G2303132Certificate of AnalysisJun 25, 2023 P104879
G2303127Certificate of AnalysisJun 25, 2023 P104879
J2312033Certificate of AnalysisJun 25, 2023 P104879
B23081205Certificate of AnalysisJan 06, 2023 P104879
B23081207Certificate of AnalysisJan 06, 2023 P104879
B23081243Certificate of AnalysisJan 06, 2023 P104879
J2212152Certificate of AnalysisOct 15, 2022 P104879
J2226796Certificate of AnalysisOct 15, 2022 P104879
J2226795Certificate of AnalysisOct 15, 2022 P104879
J2226794Certificate of AnalysisOct 15, 2022 P104879
J2226793Certificate of AnalysisOct 15, 2022 P104879
D2321327Certificate of AnalysisOct 15, 2022 P104879
K2211407Certificate of AnalysisOct 15, 2022 P104879
K2211412Certificate of AnalysisOct 15, 2022 P104879
E2206018Certificate of AnalysisFeb 14, 2022 P104879
J2317098Certificate of AnalysisFeb 14, 2022 P104879
F2316111Certificate of AnalysisFeb 14, 2022 P104879
E2206017Certificate of AnalysisFeb 14, 2022 P104879
E2206015Certificate of AnalysisFeb 14, 2022 P104879
E2206007Certificate of AnalysisFeb 14, 2022 P104879
D2321321Certificate of AnalysisFeb 14, 2022 P104879
E2206019Certificate of AnalysisFeb 14, 2022 P104879
I2322136Certificate of AnalysisFeb 14, 2022 P104879
K2317028Certificate of AnalysisFeb 14, 2022 P104879
Chemical and Physical Properties
SolubilityMiscible with alcohol, ethyl ether, dilute acids and organic solvents. Immiscible with water
SensitivityLight, Air, Moisture and Heat Sensitive
Refractive Index1.508
Flash Point(°F)96.8 °F - closed cup
Flash Point(°C)36°C
Boil Point(°C)131°C
Melt Point(°C)-23°C
Molecular Weight67.090 g/mol
XLogP30.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass67.0422 Da
Monoisotopic Mass67.0422 Da
Topological Polar Surface Area15.800 Ų
Heavy Atom Count5
Formal Charge0
Complexity22.800
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
Documents & Articles
Pyrroline Explained: Structural Isomers, Representative Research Applications, and Reagent Selection Navigation (Tables 1–3)
Pyrrole Research Reagent Selection Roadmap: Structure—Reactive Sites—Application Throughline and Reagent Classification Guide (Tables 1–4)
Experimental Selection of SEM-Cl: From O/N-SEM Protection and Directed Functionalization of N-Heterocycles to the Introduction of Protected C1 Fragments
Overcoming the Electronic-Effect Limitations of Nucleophilic Aromatic Substitution in Fluoroarenes: Anion Activation, Concerted Substitution, and HF Capture by t-Bu-P4
Reaction Mechanism of Pyrrole Skeletal Recasting: Reconstruction of Intraring Atomic Connectivity during Dearomatization—Skeletal Reorganization—Rearomatization
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at 2–8 °C, protected from light, desiccated, under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships chilled on wet ice. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 109-97-7, the molecular formula is C4H5N, and the molecular weight is 67.09 g/mol. InChIKey KAESVJOAVNADME-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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