4-Hydroxybenzimidazole - ≥98% , CAS No.67021-83-4

CAS: 67021-83-4 Cat. No.: H404541 Summenformel: C7H6N2O Molekulargewicht: 134.14 EG-Nummer: 800-880-3
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GRADE & PURITY ≥98%
Synonyms
4-hydroxy-benzimidazol | 7-Hydroxy-1H-benzimidazole | 1H-Benzoimidazol-4-ol | MFCD00963978 | SCHEMBL1019602 | EN300-205050 | benzimidazol-4-ol | 1H-Benzoimidazol-4-ol, AldrichCPR | Z1198155823 | SY102128 | DTXSID70342742 | 1H-Benzimidazol-7-ol # | 1H-1,3-
Storage
Argon charged,Room temperature
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Size
Deutschland (EU)
USA*
Price
Qty
250mg
H404541-250mg
—
2 Auf Lager
35,49€
1g
H404541-1g
—
2 Auf Lager
102,31€
5g
H404541-5g
—
2 Auf Lager
386,92€
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships 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.

Übersicht

Maximum Absorption Wavelength:261(HCl aq.)nm

Specifications

Synonyme
4-hydroxy-benzimidazol | 7-Hydroxy-1H-benzimidazole | 1H-Benzoimidazol-4-ol | MFCD00963978 | SCHEMBL1019602 | EN300-205050 | benzimidazol-4-ol | 1H-Benzoimidazol-4-ol, AldrichCPR | Z1198155823 | SY102128 | DTXSID70342742 | 1H-Benzimidazol-7-ol # | 1H-1,3-
Spezifikationen & Reinheit
≥98%
Storage
Argon charged,Room temperature
Reinheit
≥98%
Namen und Kennungen
Pubchem Sid488190450
Kanonisches LächelnC1=CC2=C(C(=C1)O)N=CN2
IUPAC Name1H-benzimidazol-4-ol
InChIKeyDODRSIDSXPMYQJ-UHFFFAOYSA-N
INCHI1S/C7H6N2O/c10-6-3-1-2-5-7(6)9-4-8-5/h1-4,10H,(H,8,9)
Isomere SMILES C1=CC2=C(C(=C1)O)N=CN2
Molekulargewicht 134.14
Reaxy-Rn 3638
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3638&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
KlasseBenzimidazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzimidazoles
Alternative Parents 1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Imidazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzimidazole - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Benzenoid - Heteroaromatic compound - Imidazole - Azole - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as benzimidazoles. These are organic compounds containing a benzene ring fused to an imidazole ring (five member ring containing a nitrogen atom, 4 carbon atoms, and two double bonds).
External Descriptors Not available
3D-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
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.

7 results found

Lot NumberCertificate TypeDatumArtikel
B2314576Certificate of AnalysisNov 10, 2025 H404541
B2314556Certificate of AnalysisNov 10, 2025 H404541
B2314550Certificate of AnalysisNov 10, 2025 H404541
B2314541Certificate of AnalysisNov 10, 2025 H404541
B2314528Certificate of AnalysisNov 10, 2025 H404541
B2314524Certificate of AnalysisNov 10, 2025 H404541
C2524026Certificate of AnalysisAug 16, 2022 H404541
Chemische und physikalische Eigenschaften
EmpfindlichkeitAir Sensitive
Schmelzpunkt (°C)200 °C
Molekulargewicht134.140 g/mol
XLogP31.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass134.048 Da
Monoisotopic Mass134.048 Da
Topological Polar Surface Area48.900 Ų
Heavy Atom Count10
Formal Charge0
Complexity129.000
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
Lösungsrechner
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