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Esters & Lactones

Methyl 2-chloro-3-oxopropanoate

Available on request

Buy Methyl 2-chloro-3-oxopropanoate (CAS 20656-61-5) from Zemixal: C4H5ClO3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Methyl 2-chloro-3-oxopropanoate chemical structure
CAS number20656-61-5
FormulaC4H5ClO3
Molar mass136.53 g/mol
InChIKeyLXSUVYGZODASAI-UHFFFAOYSA-N
IUPAC namemethyl 2-chloro-3-oxopropanoate

About Methyl 2-chloro-3-oxopropanoate

Zemixal supplies Methyl 2-chloro-3-oxopropanoate within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 20656-61-5, formula C4H5ClO3 and molar mass 136.53 g/mol.

Typical applications

  • Organic synthesis
  • API synthesis

Storage and safety notes

It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Methyl 2-chloro-3-oxopropanoate
Product nameMethyl 2-chloro-3-oxopropanoate
Catalogue numberZX-041723
CAS number20656-61-5
IUPAC namemethyl 2-chloro-3-oxopropanoate
Molecular formulaC4H5ClO3
Molar mass136.53 g/mol
Exact mass135.9927
XLogP30.5
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
InChIKeyLXSUVYGZODASAI-UHFFFAOYSA-N
SMILESCOC(=O)C(C=O)Cl
PubChem CID14355182
SynonymsMethyl 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Methyl 2-chloro-3-oxopropanoate
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Methyl 2-chloro-3-oxopropanoate

Which CAS number identifies Methyl 2-chloro-3-oxopropanoate?
Methyl 2-chloro-3-oxopropanoate is registered under CAS 20656-61-5. You may also see it listed as Methyl 2-Chloro-2-formylacetate, Propanoic acid, 2-chloro-3-oxo-, methyl ester, 2-chloro-3-oxo-propionic acid methyl ester. Our catalogue number for this item is ZX-041723.
What are the formula and molar mass of Methyl 2-chloro-3-oxopropanoate?
For Methyl 2-chloro-3-oxopropanoate, its formula is C4H5ClO3 and its molar mass is 136.53 g/mol. The systematic (IUPAC) name is methyl 2-chloro-3-oxopropanoate. InChIKey LXSUVYGZODASAI-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Methyl 2-chloro-3-oxopropanoate?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Methyl 2-chloro-3-oxopropanoate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Methyl 2-chloro-3-oxopropanoate to my country?
Yes. Because Methyl 2-chloro-3-oxopropanoate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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