Methyl 2-chloro-3-oxopropanoate

Name: Methyl 2-chloro-3-oxopropanoate
Brand: Vaqora Chemicals
SKU: VQ-051816

About Methyl 2-chloro-3-oxopropanoate

Methyl 2-chloro-3-oxopropanoate (CAS 20656-61-5) is an ester offered by Vaqora Chemicals. Formula C4H5ClO3, molecular weight 136.53 g/mol. Alternative names: Methyl 2-Chloro-2-formylacetate and Propanoic acid, 2-chloro-3-oxo-, methyl ester.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Methyl 2-chloro-3-oxopropanoate in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl 2-chloro-3-oxopropanoate
Catalogue No.	VQ-051816
CAS Number	20656-61-5
IUPAC name	methyl 2-chloro-3-oxopropanoate
Molecular formula	C₄H₅ClO₃
Molecular weight	136.53 g/mol
Exact mass	135.9927
InChIKey	LXSUVYGZODASAI-UHFFFAOYSA-N
SMILES	COC(=O)C(C=O)Cl
PubChem CID	14355182

Physical properties
Physical form	Other
LogP (XLogP3)	0.5
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Methyl 2-Chloro-2-formylacetate, Propanoic acid, 2-chloro-3-oxo-, methyl ester, 2-chloro-3-oxo-propionic acid methyl ester, methyl 2-chloro-3-oxopropionate, methyl-2-chloro-2-formylacetate, methyl formylchloroacetate, Methyl chloromalonaldehydate

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methyl 2-chloro-3-oxopropanoate?

The CAS Registry Number of Methyl 2-chloro-3-oxopropanoate is 20656-61-5. It is also known as Methyl 2-Chloro-2-formylacetate, Propanoic acid, 2-chloro-3-oxo-, methyl ester, 2-chloro-3-oxo-propionic acid methyl ester.

What is the molecular formula and molecular weight of Methyl 2-chloro-3-oxopropanoate?

Methyl 2-chloro-3-oxopropanoate has the molecular formula C4H5ClO3 and a molecular weight of 136.53 g/mol. Its IUPAC name is methyl 2-chloro-3-oxopropanoate.

Which grade and pack sizes of Methyl 2-chloro-3-oxopropanoate can I order?

We supply Methyl 2-chloro-3-oxopropanoate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl 2-chloro-3-oxopropanoate?

Yes. Every lot of Methyl 2-chloro-3-oxopropanoate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl 2-chloro-3-oxopropanoate be shipped internationally?

Yes. Methyl 2-chloro-3-oxopropanoate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.