Imidazoles - ≥99.5%, for buffer , CAS No.288-32-4

CAS: 288-32-4 Cat. No.: I108704 Formula: C3H4N2 Molecular Weight: 68.08 Beilstein Registry Number: 103853 EC Number: 206-019-2
AVAILABLE TO ORDER
GRADE & PURITY ≥99.5% for buffer
Synonyms
CHEBI:14434 | 1H-Imidazole | BRN 0103853 | SILDENAFIL CITRATE IMPURITY E [EP IMPURITY] | BDBM7882 | I0001 | Imidazole, ReagentPlus(R), 99% | FLUTRIMAZOLE IMPURITY A [EP IMPURITY] | Formamidine,N'-vinylene- | Glyoxaline solution | Him | NSC-60522 | UNII-7G
Storage
Argon charged,Desiccated,Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25g
I108704-25g
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2 In stock

€19.87

€23.34
Save €3.47 (14.87%)
100g
I108704-100g
Made to order · 8–12 wks

€38.96

€45.04
Save €6.07 (13.49%)
500g
I108704-500g
1 In stock
1 In stock

€84.08

€98.84
Save €14.75 (14.93%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99.5%, for buffer for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Desiccated,Room temperature 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 429 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
CHEBI:14434 | 1H-Imidazole | BRN 0103853 | SILDENAFIL CITRATE IMPURITY E [EP IMPURITY] | BDBM7882 | I0001 | Imidazole, ReagentPlus(R), 99% | FLUTRIMAZOLE IMPURITY A [EP IMPURITY] | Formamidine,N'-vinylene- | Glyoxaline solution | Him | NSC-60522 | UNII-7G
Specifications & Purity
≥99.5%, for buffer
Storage
Argon charged,Desiccated,Room temperature
Shipped In
Normal
Purity
≥99.5%
Names and Identifiers
Pubchem Sid508812954
Canonical SmilesC1=CN=CN1
IUPAC Name1H-imidazole
InChIKeyRAXXELZNTBOGNW-UHFFFAOYSA-N
INCHI1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
Isomeric SMILES C1=CN=CN1
WGK Germany 1
RTECS NI3325000
UN Number 2923
Molecular Weight 68.08
Beilstein 103853
Reaxy-Rn 103853
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=103853&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
ClassAzoles
SubclassImidazoles
Intermediate Tree Nodes Not available
Direct ParentImidazoles
Alternative Parents Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Imidazole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as imidazoles. These are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms.
External Descriptors an aromatic compound
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
EPHX1 Tchem Epoxide hydrolase 1 (644 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TBXAS1 Tchem Thromboxane-A synthase (3355 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1B1 Tchem Cytochrome P450 1B1 (1148 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NOS1 Tchem Nitric-oxide synthase, brain (1786 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGIS Tchem Prostaglandin I2 synthase (104 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HL-60 (67320 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SW480 (6023 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lymphoblastoid cell (5959 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
QPCT Tchem Glutaminyl-peptide cyclotransferase (1121 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMMC-7721 (5516 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FKBP5 Tchem Peptidyl-prolyl cis-trans isomerase FKBP5 (259 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Nos2 Nitric oxide synthase, inducible (3573 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Saccharomyces cerevisiae (19171 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHO (4503 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 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.

166 results found

Lot NumberCertificate TypeDateItem
I2623453Certificate of AnalysisSep 07, 2026 I108704
I2623454Certificate of AnalysisSep 07, 2026 I108704
I2623620Certificate of AnalysisSep 07, 2026 I108704
I2611575Certificate of AnalysisSep 04, 2026 I108704
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H2621095Certificate of AnalysisAug 14, 2026 I108704
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D2621330Certificate of AnalysisMar 17, 2026 I108704
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A2630546Certificate of AnalysisDec 22, 2025 I108704
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L2511396Certificate of AnalysisNov 12, 2025 I108704
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I2529314Certificate of AnalysisSep 08, 2025 I108704
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C2517200Certificate of AnalysisMar 11, 2025 I108704
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B2525293Certificate of AnalysisFeb 14, 2025 I108704
A2509393Certificate of AnalysisDec 27, 2024 I108704
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L2403627Certificate of AnalysisNov 27, 2024 I108704
J2429481Certificate of AnalysisOct 22, 2024 I108704
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J2409858Certificate of AnalysisSep 23, 2024 I108704
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I2403452Certificate of AnalysisAug 29, 2024 I108704
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G2431030Certificate of AnalysisAug 07, 2024 I108704
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A2403393Certificate of AnalysisDec 27, 2023 I108704
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J2320505Certificate of AnalysisOct 16, 2023 I108704
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H2316426Certificate of AnalysisAug 04, 2023 I108704
H2316427Certificate of AnalysisAug 04, 2023 I108704
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F23061202Certificate of AnalysisMay 08, 2023 I108704
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D23251042Certificate of AnalysisApr 13, 2023 I108704
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C23181131Certificate of AnalysisMar 13, 2023 I108704
C2320170Certificate of AnalysisMar 13, 2023 I108704
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C2306304Certificate of AnalysisFeb 24, 2023 I108704
C2306316Certificate of AnalysisFeb 24, 2023 I108704
C2306328Certificate of AnalysisFeb 24, 2023 I108704
J2217701Certificate of AnalysisSep 28, 2022 I108704
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I2221391Certificate of AnalysisSep 08, 2022 I108704
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G2209277Certificate of AnalysisJul 05, 2022 I108704
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C2226591Certificate of AnalysisMar 23, 2022 I108704
C2226592Certificate of AnalysisMar 23, 2022 I108704
B2207196Certificate of AnalysisJan 19, 2022 I108704
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B2207198Certificate of AnalysisJan 19, 2022 I108704
B2207385Certificate of AnalysisJan 19, 2022 I108704
Chemical and Physical Properties
SolubilitySoluble in water, alcohol, acetone, and chloroform, slightly soluble in benzene
Sensitivityair sensitive
x_flash_point_drop_centigrade145℃
x_boil_point_char257°C
x_melt_point_char90-91°C
Molecular Weight68.080 g/mol
XLogP3-0.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass68.0374 Da
Monoisotopic Mass68.0374 Da
Topological Polar Surface Area28.700 Ų
Heavy Atom Count5
Formal Charge0
Complexity28.100
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
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