1-methoxycyclobutane-1-carbonyl chloride CAS 110046-66-7

Purity 97%+In StockPharmaceutical Standards
CAS No.110046-66-7
Molecular FormulaC6H9ClO2
Molecular Weight148.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-methoxycyclobutane-1-carbonyl chloride CAS 110046-66-7 chemical structure

Description

1-methoxycyclobutane-1-carbonyl chloride (CAS 110046-66-7) is a high-purity analytical reference standard with the molecular formula C6H9ClO2 and a molecular weight of 148.59 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 1-methoxycyclobutane-1-carbonyl chloride is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 148.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC6H9ClO2
Molecular Weight148.59 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)2.0
CAS Registry Year (est.)1988
Halogen ContentCl-containing

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