O-Methyl Malathion β-Monoacid CAS 55733-40-9

Purity 97%+In StockPharmaceutical Standards
CAS No.55733-40-9
Molecular FormulaC7H13O6PS2
Molecular Weight288.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

O-Methyl Malathion β-Monoacid CAS 55733-40-9 chemical structure

Description

Owing to a carbohydrate-derived structure, a sulfone group, a phosphate ester group, O-Methyl Malathion β-Monoacid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 288.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

CATO supplies O-Methyl Malathion β-Monoacid (CAS 55733-40-9), a certified reference material (molecular formula C7H13O6PS2, MW 288.28 g/mol) for analytical method development and quality control.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), O-Methyl Malathion β-Monoacid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC7H13O6PS2
Molecular Weight288.28 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.5
CAS Registry Year (est.)1972
Sulfur Atoms2

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