4-(Methoxymethylene)tetrahydro-2H-thiopyran CAS 131992-30-8

Purity 97%+In StockPharmaceutical Standards
CAS No.131992-30-8
Molecular FormulaC7H12OS
Molecular Weight144.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Methoxymethylene)tetrahydro-2H-thiopyran CAS 131992-30-8 chemical structure

Description

The occurrence of 4-(Methoxymethylene)tetrahydro-2H-thiopyran is closely related to sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-(Methoxymethylene)tetrahydro-2H-thiopyran (CAS 131992-30-8), molecular formula C7H12OS and molecular weight 144.23 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(Methoxymethylene)tetrahydro-2H-thiopyran (C7H12OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 144.23 g/mol, it falls into the low-molecular-weight range.

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

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 FormulaC7H12OS
Molecular Weight144.23 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1994
Sulfur Atoms1

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Why CATO?