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API Reference Standards

Monostearyl Maleate

Reference StandardAvailable on request

Monostearyl Maleate (CAS 2424-62-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.

Pack sizes
Monostearyl Maleate chemical structure
CAS number2424-62-6
FormulaC22H40O4
Molar mass368.5 g/mol
Physical formSolid
HS code38229090
InChIKeyMHQJUHSHQGQVTM-HNENSFHCSA-N
IUPAC name(Z)-4-octadecoxy-4-oxobut-2-enoic acid

About Monostearyl Maleate

Analytical teams working on Maleic acid use Monostearyl Maleate as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 2424-62-6, formula C22H40O4 and molar mass 368.5 g/mol. It is handled as a solid.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material
  • Fine chemical synthesis

Handling and storage

Hazard communication follows GHS (Warning: H315, H319, H332 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 certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Maleic acid

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

Maleic acid standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material
  • Fine chemical synthesis

Applications

Specifications and identifiers

Specifications of Monostearyl Maleate
Product nameMonostearyl Maleate
Catalogue numberZX-030689
CAS number2424-62-6
IUPAC name(Z)-4-octadecoxy-4-oxobut-2-enoic acid
Molecular formulaC22H40O4
Molar mass368.5 g/mol
Exact mass368.2927
GradeReference Standard
Physical formSolid
XLogP38.6
H-bond donors / acceptors1 / 4
Topological polar surface area63.6 Ų
HS code38229090
InChIKeyMHQJUHSHQGQVTM-HNENSFHCSA-N
SMILESCCCCCCCCCCCCCCCCCCOC(=O)/C=C\C(=O)O
PubChem CID6436905
SynonymsOctadecyl hydrogen maleate, 2-Butenedioic acid (2Z)-, 1-octadecyl ester, 2-Butenedioic acid (2Z)-, monooctadecyl ester, 1-Octadecyl (2Z)-2-butenedioate, octadecyl fumarate, (Z)-4-(Octadecyloxy)-4-oxobut-2-enoic acid, stearyl fumarate, maleic acid monostearyl ester, (Z)-4-octadecoxy-4-oxo-but-2-enoic acid, (Z)-4-(Octadecyloxy)-4-oxobut-2-enoicacid, (Z)-4-(Octadecyloxy)-4-oxo-2-butenoic Acid

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, 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 Monostearyl Maleate
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 Monostearyl Maleate

Which CAS number identifies Monostearyl Maleate?
Monostearyl Maleate is registered under CAS 2424-62-6. You may also see it listed as Octadecyl hydrogen maleate, 2-Butenedioic acid (2Z)-, 1-octadecyl ester, 2-Butenedioic acid (2Z)-, monooctadecyl ester. Our catalogue number for this item is ZX-030689.
What are the formula and molar mass of Monostearyl Maleate?
For Monostearyl Maleate, its formula is C22H40O4 and its molar mass is 368.5 g/mol. The systematic (IUPAC) name is (Z)-4-octadecoxy-4-oxobut-2-enoic acid. InChIKey MHQJUHSHQGQVTM-HNENSFHCSA-N lets you match it in any structure database.
How is Monostearyl Maleate used in pharmaceutical QC?
Monostearyl Maleate is a characterised reference material linked to Maleic 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 Monostearyl Maleate?
This listing is Reference Standard grade. 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 Monostearyl Maleate?
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 Monostearyl Maleate to my country?
Yes. Because Monostearyl Maleate 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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