Distearyl Fumarate

Name: Distearyl Fumarate
Brand: Vaqora Chemicals
SKU: VQ-042215

About Distearyl Fumarate

Distearyl Fumarate (CAS 7283-68-3) is an API impurity reference standard offered by Vaqora Chemicals. Its molecular formula is C40H76O4 and its molecular weight is 621.0 g/mol. The IUPAC name is dioctadecyl (E)-but-2-enedioate. It is also known as Dioctadecyl fumarate or 1,4-dioctadecyl but-2-enedioate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Distearyl Fumarate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Distearyl Fumarate
Catalogue No.	VQ-042215
CAS Number	7283-68-3
IUPAC name	dioctadecyl (E)-but-2-enedioate
Molecular formula	C₄₀H₇₆O₄
Molecular weight	621 g/mol
Exact mass	620.5744
Grade	Reference Standard
HSN code	38229090
InChIKey	XHSDDKAGJYJAQM-ULDVOPSXSA-N
SMILES	CCCCCCCCCCCCCCCCCCOC(=O)/C=C/C(=O)OCCCCCCCCCCCCCCCCCC
PubChem CID	6436351

Physical properties
Physical form	Solid
LogP (XLogP3)	17.9
H-bond donors / acceptors	0 / 4
TPSA	52.6 Å²
Synonyms	Dioctadecyl fumarate, 1,4-dioctadecyl but-2-enedioate, 2-Butenedioic acid(2E)-, 1,4-dioctadecyl ester, Distearyl maleate, Dioctadecyl maleate, 2-Butenedioic acid (2E)-, dioctadecyl ester, Fumaric acid, dioctadecyl ester, 2-Butenedioic acid (2E)-, 1,4-dioctadecyl ester, 2-Butenedioic acid (2Z)-, 1,4-dioctadecyl ester, Dioctadecyl (2E)-but-2-enedioate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 Distearyl Fumarate?

The CAS Registry Number of Distearyl Fumarate is 7283-68-3. It is also known as Dioctadecyl fumarate, 1,4-dioctadecyl but-2-enedioate, 2-Butenedioic acid(2E)-, 1,4-dioctadecyl ester.

What is the molecular formula and molecular weight of Distearyl Fumarate?

Distearyl Fumarate has the molecular formula C40H76O4 and a molecular weight of 621 g/mol. Its IUPAC name is dioctadecyl (E)-but-2-enedioate.

Which grade and pack sizes of Distearyl Fumarate can I order?

We supply Distearyl Fumarate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Distearyl Fumarate?

Yes. Every lot of Distearyl Fumarate 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 Distearyl Fumarate be shipped internationally?

Yes. Distearyl Fumarate 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.