Methyl (6-chloro-1H-benzo[d]imidazol-2-yl)carbamate - ≥98% , CAS No.20367-38-8

CAS: 20367-38-8 Cat. No.: M191944 Molecular Weight: 225.63 EC Number: 111-062-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
D78067 | Albendazole impurity G [EP] | Carbamic acid, N-(6-chloro-1H-benzimidazol-2-yl)-, methyl ester | Fenbendazole impurity B | A879671 | MFCD08234600 | Methyl (6-chloro-1H-benzimidazol-2-yl)carbamate | methyl N-(6-chloro-1H-1,3-benzodiazol-2-yl)carbam
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
M191944-50mg
3

$27.90

$41.90
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250mg
M191944-250mg
3

$102.90

$154.90
Save $52.00 (33.57%)
1g
M191944-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$253.90

$380.90
Save $127.00 (33.34%)
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Why this grade

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

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

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

Overview

Application:

Methyl [5(6)-chlorobenzimidazole-2-yl]carbamate is an impurity for Fenbendazole (F246750), an anthelmintic (Nematodes). (Albendazole Impurity H)

Specifications

Synonyms
D78067 | Albendazole impurity G [EP] | Carbamic acid, N-(6-chloro-1H-benzimidazol-2-yl)-, methyl ester | Fenbendazole impurity B | A879671 | MFCD08234600 | Methyl (6-chloro-1H-benzimidazol-2-yl)carbamate | methyl N-(6-chloro-1H-1, 3-benzodiazol-2-yl)carbam
Specifications & Purity
≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504765364
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504765364
Canonical SmilesCOC(=O)NC1=NC2=C(N1)C=C(C=C2)Cl
IUPAC Namemethyl N-(6-chloro-1H-benzimidazol-2-yl)carbamate
InChIKeyVLEJNRYXCWJNPA-UHFFFAOYSA-N
INCHI1S/C9H8ClN3O2/c1-15-9(14)13-8-11-6-3-2-5(10)4-7(6)12-8/h2-4H,1H3,(H2,11,12,13,14)
Isomeric SMILES COC(=O)NC1=NC2=C(N1)C=C(C=C2)Cl
Molecular Weight 225.63
Reaxy-Rn 917084
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=917084&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
ClassBenzimidazoles
Subclass2-benzimidazolylcarbamic acid esters
Intermediate Tree Nodes Not available
Direct Parent2-benzimidazolylcarbamic acid esters
Alternative Parents Benzenoids  Aryl chlorides  Imidazoles  Heteroaromatic compounds  Carbamate esters  Azacyclic compounds  Organonitrogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 2-benzimidazolylcarbamic acid ester - Aryl chloride - Aryl halide - Benzenoid - Azole - Imidazole - Heteroaromatic compound - Carbamic acid ester - Azacycle - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 2-benzimidazolylcarbamic acid esters. These are aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Entamoeba histolytica (2676 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Giardia intestinalis (1290 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Taenia crassiceps (97 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.

3 results found

Lot NumberCertificate TypeDateItem
A2626163Certificate of AnalysisJan 29, 2026 M191944
K2215812Certificate of AnalysisAug 13, 2025 M191944
K2215813Certificate of AnalysisAug 13, 2025 M191944
Chemical and Physical Properties
SolubilityDMSO (Slightly)
Molecular Weight225.630 g/mol
XLogP32.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass225.031 Da
Monoisotopic Mass225.031 Da
Topological Polar Surface Area67.000 Ų
Heavy Atom Count15
Formal Charge0
Complexity252.000
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
Solution Calculators
Reviews

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