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API Process Intermediates & Related Compounds

Diethyl Fumarate

Available on request

Diethyl Fumarate (CAS 623-91-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-031513.

Pack sizes
Diethyl Fumarate chemical structure
CAS number623-91-6
FormulaC8H12O4
Molar mass172.18 g/mol
Physical formSolid
InChIKeyIEPRKVQEAMIZSS-AATRIKPKSA-N
IUPAC namediethyl (E)-but-2-enedioate

About Diethyl Fumarate

Zemixal supplies Diethyl Fumarate within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 623-91-6, formula C8H12O4 and molar mass 172.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Safe handling

Hazard communication follows GHS (Warning: H302, H315, H317 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Fumaric acid

See every impurity, metabolite and related compound we list for this API.

Fumaric acid standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Diethyl Fumarate
Product nameDiethyl Fumarate
Catalogue numberZX-031513
CAS number623-91-6
IUPAC namediethyl (E)-but-2-enedioate
Molecular formulaC8H12O4
Molar mass172.18 g/mol
Exact mass172.0736
Physical formSolid
XLogP30.9
H-bond donors / acceptors0 / 4
Topological polar surface area52.6 Ų
InChIKeyIEPRKVQEAMIZSS-AATRIKPKSA-N
SMILESCCOC(=O)/C=C/C(=O)OCC
PubChem CID638144
SynonymsFumaric acid, diethyl ester, 2-Butenedioic acid (E)-, diethyl ester, Diethylester kyseliny fumarove, 2-Butenedioic acid (2E)-, diethyl ester, 2-Butenedioic acid, diethyl ester, (E)-, trans-2-Butenedioic acid diethyl ester, 1,4-diethyl (2Z)-but-2-enedioate, Anti-Psoriaticum, diethyl (2E)-but-2-enedioate, Fumaric Acid Diethyl Ester, 1,4-diethyl (2E)-but-2-enedioate, (2E)-2-Butenedioic acid diethyl ester

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
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H335May cause respiratory irritation
  • H371May cause damage to organs
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P260, P261, P264, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P308 + P316, P319, P321, P330, P332 + P317, P333 + 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 Diethyl Fumarate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Diethyl Fumarate

Which CAS number identifies Diethyl Fumarate?
Diethyl Fumarate is registered under CAS 623-91-6. You may also see it listed as Fumaric acid, diethyl ester, 2-Butenedioic acid (E)-, diethyl ester, Diethylester kyseliny fumarove. Our catalogue number for this item is ZX-031513.
What are the formula and molar mass of Diethyl Fumarate?
For Diethyl Fumarate, its formula is C8H12O4 and its molar mass is 172.18 g/mol. The systematic (IUPAC) name is diethyl (E)-but-2-enedioate. InChIKey IEPRKVQEAMIZSS-AATRIKPKSA-N lets you match it in any structure database.
How is Diethyl Fumarate used in pharmaceutical QC?
Diethyl Fumarate is a characterised reference material linked to Fumaric acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Diethyl Fumarate?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Diethyl Fumarate?
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 Diethyl Fumarate to my country?
Yes. Because Diethyl Fumarate 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.

More Fumaric acid standards

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