1-Chloro-4-methoxybutan-2-one CAS 87308-03-0

Purity 97%+In StockPharmaceutical Standards
CAS No.87308-03-0
Molecular FormulaC5H9ClO2
Molecular Weight136.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Chloro-4-methoxybutan-2-one CAS 87308-03-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 136.58 g/mol gives 1-Chloro-4-methoxybutan-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-Chloro-4-methoxybutan-2-one (CAS 87308-03-0) is a high-purity analytical reference standard with the molecular formula C5H9ClO2 and a molecular weight of 136.58 g/mol.

Structurally, 1-Chloro-4-methoxybutan-2-one (C5H9ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 136.58 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 1-Chloro-4-methoxybutan-2-one 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 FormulaC5H9ClO2
Molecular Weight136.58 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1981
Halogen ContentCl-containing

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