Isomalathion

Name: Isomalathion
Brand: Vaqora Chemicals
SKU: VQ-031712

About Isomalathion

Isomalathion (CAS 3344-12-5) is an impurity of Malathion offered by Vaqora Chemicals. With the molecular formula C10H19O6PS2, it has a molar mass of 330.4 g/mol. Its systematic (IUPAC) name is diethyl 2-[methoxy(methylsulfanyl)phosphoryl]sulfanylbutanedioate. Alternative names: S-Methylmalathion.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

This Malathion impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Isomalathion 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

Related to Malathion

View every impurity, metabolite and intermediate we list for Malathion.

Malathion impurities

Specifications & identifiers

Chemical identifiers
Product name	Isomalathion
Catalogue No.	VQ-031712
CAS Number	3344-12-5
IUPAC name	diethyl 2-[methoxy(methylsulfanyl)phosphoryl]sulfanylbutanedioate
Molecular formula	C₁₀H₁₉O₆PS₂
Molecular weight	330.4 g/mol
Exact mass	330.0361
Grade	Reference Standard
HSN code	38229090
InChIKey	LPQDGVLVYVULMX-UHFFFAOYSA-N
SMILES	CCOC(=O)CC(C(=O)OCC)SP(=O)(OC)SC
PubChem CID	91529

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 8
TPSA	130 Å²
Synonyms	(Methoxy(methylthio)phosphinothioyl)butanedioic acid diethyl ester, Butanedioic acid, ((methoxy(methylthio)phosphinothioyl)thio)diethyl ester, ((Methoxy(methylthio)phosphinyl)thio)butanedioic acid diethyl ester, S-(1,2-dicarbethoxyethyl)-O,S-dimethyl phosphorodithioate, S-Methylmalathion, Mercaptosuccinic acid diethyl ester, S-ester with O,S-dimethylphosphorodithioate, Succinic acid, mercapto-, diethyl ester, S-ester with O,S-dimethyl phosphorodithioate, diethyl 2-{[methoxy(methylsulfanyl)phosphoryl]sulfanyl}butanedioate, Diethyl 2-([methoxy(methylsulfanyl)phosphoryl]sulfanyl)succinate #, Butanedioic acid, ((methoxy(methylthio)phosphinyl)thio)-, diethyl ester

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, 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 Isomalathion?

The CAS Registry Number of Isomalathion is 3344-12-5. It is also known as (Methoxy(methylthio)phosphinothioyl)butanedioic acid diethyl ester, Butanedioic acid, ((methoxy(methylthio)phosphinothioyl)thio)diethyl ester, ((Methoxy(methylthio)phosphinyl)thio)butanedioic acid diethyl ester.

What is the molecular formula and molecular weight of Isomalathion?

Isomalathion has the molecular formula C10H19O6PS2 and a molecular weight of 330.4 g/mol. Its IUPAC name is diethyl 2-[methoxy(methylsulfanyl)phosphoryl]sulfanylbutanedioate.

What is Isomalathion used for?

Isomalathion is supplied as a characterised reference material related to Malathion. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Isomalathion can I order?

We supply Isomalathion 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 Isomalathion?

Yes. Every lot of Isomalathion 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 Isomalathion be shipped internationally?

Yes. Isomalathion 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.