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Home/Compounds/CAS 5408-04-8
Formula C6H9NO4MW 159.14Research-use catalog entryCOA/SDS by request

Ethyl-2-(hydroxyimino)-3-oxobutanoate

CAS Number: 5408-04-8

Sourcing & RFQ

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Loading RDKit molecule structure...
InChIKey: HVTHITHXCDMTDK-UHFFFAOYSA-NC6H9NO4 | MW 159.14

Chemical Absolute Identifiers

CAS Number

5408-04-8

PubChem CID

135399194

Molecular Formula

C6H9NO4

Molecular Weight

159.14 g/mol

Exact Mass

159.053158

InChIKey

HVTHITHXCDMTDK-UHFFFAOYSA-N

IUPAC Name

ethyl 3-hydroxy-2-nitrosobut-2-enoate

SMILES String

CCOC(=O)C(N=O)=C(C)O

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Ethyl-2-(hydroxyimino)-3-oxobutanoate (CAS 5408-04-8) is listed in the Advanced Chemicals portfolio, with molecular formula C6H9NO4 and molecular weight 159. 14 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Ethyl-2-(hydroxyimino)-3-oxobutanoate

Names & Synonyms

Ethyl (2Z)-2-hydroxyimino-3-oxo-butanoateethyl 2-hydroxyimino-3-oxobutanoateethyl (2E)-2-(hydroxyimino)-3-oxobutanoate(E)-Ethyl 2-(hydroxyimino)-3-oxobutanoateButanoic acid, 2-(hydroxyimino)-3-oxo-, ethyl ester, (Z)-
Show all synonyms
ethyl 2-(hydroxyimino)-3-oxobutyrate2-hydroxyimino-3-oxo-butyric acid ethyl esterethyl 2-oximinoacetoacetateethyl 2-hydroxyiminoacetoacetateethyl 2-oximino-3-oxobutanoateethyl 2-hydroxyimino-acetoacetateEthyl2-hydroxyimino-3-oxobutyrateEthyl 2-hydroximino-3-oxobutyrateethyl 2-hydroxyimino-3-oxobutyrateethyl 3-oxo-2-hydroxyiminobutyrateethyl 2-acetyl-2-hydroxyiminoacetateethyl 2-(hydroximino)-3-oxobutanoateethyl 2-hydroxyimino-3-oxo-butanoate
External Identifiers
Ethyl-2-Hydroxyimino-3-oxobutanoate

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

Ethyl 2-cyano-2-(hydroxyimino)acetateCAS 3849-21-6
Ethyl (E)-cyano(hydroxyimino)acetateCAS 56503-39-0
Ethyl acetohydroximateCAS 10576-12-2
Ethyl 2-(2-aminothiazole-4-yl)-2-hydroxyiminoacetateCAS 64485-82-1
Methyl amino(hydroxyimino)acetateCAS 865706-98-5

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 5408-04-8

What are the key identifiers for Ethyl-2-(hydroxyimino)-3-oxobutanoate (CAS 5408-04-8)?

Ethyl-2-(hydroxyimino)-3-oxobutanoate is identified by CAS 5408-04-8, with molecular formula C6H9NO4, molecular weight 159.14, InChIKey HVTHITHXCDMTDK-UHFFFAOYSA-N.

Can I request a COA for CAS 5408-04-8?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Ethyl-2-(hydroxyimino)-3-oxobutanoate?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 5408-04-8 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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