Methyl 4-(chloroformyl)butyrate - ≥98% , CAS No.1501-26-4

CAS: 1501-26-4 Cat. No.: G104122 Molecular Weight: 164.59 Beilstein Registry Number: 1762383 EC Number: 216-115-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
methyl 5-chloro-5-oxopentanoate | NSC93892 | NSC-93892 | SCHEMBL48697 | 4-(Chloroformyl)butyric acid, methyl ester | Q63409003 | Amidithion [ISO] | 4-(Chloroformyl)butyric acid methyl ester | Pentanoic acid, 5-chloro-5-oxo-, methyl ester | UNII-U7H8283W54
Storage
Store at 2-8°C,Argon charged,Desiccated
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
G104122-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
5g
G104122-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$23.90
25g
G104122-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$75.90
100g
G104122-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$229.90
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged,Desiccated Ships Wet ice 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.

Specifications

Synonyms
methyl 5-chloro-5-oxopentanoate | NSC93892 | NSC-93892 | SCHEMBL48697 | 4-(Chloroformyl)butyric acid, methyl ester | Q63409003 | Amidithion [ISO] | 4-(Chloroformyl)butyric acid methyl ester | Pentanoic acid, 5-chloro-5-oxo-, methyl ester | UNII-U7H8283W54
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged, Desiccated
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCOC(=O)CCCC(=O)Cl
IUPAC Namemethyl 5-chloro-5-oxopentanoate
InChIKeyJCAZSWWHFJVFPP-UHFFFAOYSA-N
INCHI1S/C6H9ClO3/c1-10-6(9)4-2-3-5(7)8/h2-4H2,1H3
Isomeric SMILES COC(=O)CCCC(=O)Cl
WGK Germany 3
UN Number 3265
Molecular Weight 164.59
Beilstein 1762383
Reaxy-Rn 1762383
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1762383&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
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acid esters
Intermediate Tree Nodes Not available
Direct ParentFatty acid methyl esters
Alternative Parents Methyl esters  Monocarboxylic acids and derivatives  Acyl chlorides  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Fatty acid methyl ester - Methyl ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Acyl halide - Acyl chloride - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organochloride - Organohalogen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fatty acid methyl esters. These are compounds containing a fatty acid that is esterified with a methyl group. They have the general structure RC(=O)OR', where R=fatty aliphatic tail or organyl group and R'=methyl group.
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.

8 results found

Lot NumberCertificate TypeDateItem
K2103449Certificate of AnalysisAug 06, 2025 G104122
K2103538Certificate of AnalysisAug 06, 2025 G104122
K2103547Certificate of AnalysisAug 06, 2025 G104122
K2103548Certificate of AnalysisAug 06, 2025 G104122
K1505107Certificate of AnalysisJul 07, 2023 G104122
C1905156Certificate of AnalysisDec 12, 2022 G104122
C2610094Certificate of AnalysisNov 05, 2021 G104122
D2324137Certificate of AnalysisNov 05, 2021 G104122
Chemical and Physical Properties
SolubilityReacts with water
SensitivityMoisture sensitive.
Refractive Index1.445
Flash Point(°F)179.6 °F
Flash Point(°C)82 °C
Boil Point(°C)110°C/17mmHg
Molecular Weight164.590 g/mol
XLogP31.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count5
Exact Mass164.024 Da
Monoisotopic Mass164.024 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count10
Formal Charge0
Complexity133.000
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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