Methyl 2-(chlorosulfonyl)benzoate - ≥94% , CAS No.26638-43-7

CAS: 26638-43-7 Cat. No.: M134898 Molecular Weight: 234.66 EC Number: 631-087-9
AVAILABLE TO ORDER
GRADE & PURITY ≥94%
Synonyms
C6HZM8X6PK | F0001-0876 | o-(Carbomethoxy)benzenesulfonyl chloride | DTXSID4067228 | METHYL O-(CHLOROSULFONYL)BENZOATE | O-(METHOXYCARBONYL)BENZENESULPHONYL CHLORIDE | 23968FDA-4EA3-46CD-8871-0DEB9D9EA0B8 | 2-carbomethoxybenzenesulfonyl chloride | KBio3_0
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M134898-250mg
3
$9.90
1g
M134898-1g
2

$9.90

$15.90
Save $6.00 (37.74%)
5g
M134898-5g
2

$31.90

$60.90
Save $29.00 (47.62%)
25g
M134898-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$155.90

$222.90
Save $67.00 (30.06%)
100g
M134898-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$616.90

$689.90
Save $73.00 (10.58%)
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Why this grade

≥94% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice 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.

Specifications

Synonyms
C6HZM8X6PK | F0001-0876 | o-(Carbomethoxy)benzenesulfonyl chloride | DTXSID4067228 | METHYL O-(CHLOROSULFONYL)BENZOATE | O-(METHOXYCARBONYL)BENZENESULPHONYL CHLORIDE | 23968FDA-4EA3-46CD-8871-0DEB9D9EA0B8 | 2-carbomethoxybenzenesulfonyl chloride | KBio3_0
Specifications & Purity
≥94%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥94%
Names and Identifiers
Pubchem Sid504756770
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756770
Canonical SmilesCOC(=O)C1=CC=CC=C1S(=O)(=O)Cl
IUPAC Namemethyl 2-chlorosulfonylbenzoate
InChIKeyHUNUAFNLLYVTQD-UHFFFAOYSA-N
INCHI1S/C8H7ClO4S/c1-13-8(10)6-4-2-3-5-7(6)14(9,11)12/h2-5H,1H3
Isomeric SMILES COC(=O)C1=CC=CC=C1S(=O)(=O)Cl
Molecular Weight 234.66
Reaxy-Rn 981681
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=981681&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acid esters
Alternative Parents Benzenesulfonyl chlorides  Benzoyl derivatives  Sulfonyls  Sulfonyl chlorides  Organosulfonic acids and derivatives  Methyl esters  Monocarboxylic acids and derivatives  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoate ester - Benzenesulfonyl chloride - Benzenesulfonyl group - Benzoyl - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl chloride - Sulfonyl halide - Sulfonyl - Methyl ester - Carboxylic acid ester - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organosulfur compound - Organooxygen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

6 results found

Lot NumberCertificate TypeDateItem
G2430014Certificate of AnalysisMay 19, 2026 M134898
L2015240Certificate of AnalysisApr 15, 2026 M134898
L2015238Certificate of AnalysisApr 15, 2026 M134898
L2015239Certificate of AnalysisApr 15, 2026 M134898
L2015241Certificate of AnalysisOct 17, 2022 M134898
L2015237Certificate of AnalysisOct 17, 2022 M134898
Chemical and Physical Properties
SolubilityReacts with water.
SensitivityMoisture Sensitive
Melt Point(°C)59-64°C
Molecular Weight234.660 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass233.975 Da
Monoisotopic Mass233.975 Da
Topological Polar Surface Area68.800 Ų
Heavy Atom Count14
Formal Charge0
Complexity306.000
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
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