Pralidoxime Methyl Sulphate

About Pralidoxime Methyl Sulphate

Pralidoxime Methyl Sulphate is a process intermediate or related compound of Pralidoxime carrying the CAS registry number 1200-55-1. Formula C8H12N2O5S, molecular weight 248.26 g/mol. Common synonyms include Pralidoxime Methyl Sulfate and Contrastigmin.

It is supplied 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 “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is a process intermediate or related compound in the synthesis of Pralidoxime, useful for route development, impurity fate-and-purge studies and analytical method development. 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, Pralidoxime Methyl Sulphate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Pralidoxime

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

Pralidoxime impurities

Specifications & identifiers

Chemical identifiers
Product name	Pralidoxime Methyl Sulphate
Catalogue No.	VQ-041578
CAS Number	1200-55-1
IUPAC name	(NE)-N-[(1-methylpyridin-1-ium-2-yl)methylidene]hydroxylamine;methyl sulfate
Molecular formula	C₈H₁₂N₂O₅S
Molecular weight	248.26 g/mol
Exact mass	248.0467
HSN code	2933
InChIKey	OVPHBYQAKDEEBD-UHFFFAOYSA-N
SMILES	C[N+]1=CC=CC=C1/C=N/O.COS(=O)(=O)[O-]
PubChem CID	135539491

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 6
TPSA	111 Å²
Synonyms	Pralidoxime Methyl Sulfate, Contrastigmin, Contrastigmine, Pyridinium, 2-formyl-1-methyl-, methyl sulfate, oxime, Pyridinium, 2-((hydroxyimino)methyl)-1-methyl-, methyl sulfate (salt), Pyridinium, 2-[(hydroxyimino)methyl]-1-methyl-, methyl sulfate (1:1), N-methylpyridinium 2-aldoxime methylsulfate, 2-((Hydroxyimino)methyl)-1-methylpyridin-1-ium methyl sulfate pound 1:1 pound(c), Pyridine-2-aldoxime methylsulfate, 2-Formyl-1-methylpyridinium methyl sulfate oxime, Sulfomethylate de pralidoxime, 2-((Hydroxyimino)methyl)-1-methylpyridinium methyl sulphate

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 Pralidoxime Methyl Sulphate?

The CAS Registry Number of Pralidoxime Methyl Sulphate is 1200-55-1. It is also known as Pralidoxime Methyl Sulfate, Contrastigmin, Contrastigmine.

What is the molecular formula and molecular weight of Pralidoxime Methyl Sulphate?

Pralidoxime Methyl Sulphate has the molecular formula C8H12N2O5S and a molecular weight of 248.26 g/mol.

What is Pralidoxime Methyl Sulphate used for?

Pralidoxime Methyl Sulphate is supplied as a characterised reference material related to Pralidoxime. 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 Pralidoxime Methyl Sulphate can I order?

We supply Pralidoxime Methyl Sulphate, 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 Pralidoxime Methyl Sulphate?

Yes. Every lot of Pralidoxime Methyl Sulphate 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 Pralidoxime Methyl Sulphate be shipped internationally?

Yes. Pralidoxime Methyl Sulphate 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.