Camphor sulfonic acid methyl ester (methyl (1S)-(+)-10-camphorsulfonate) is a small-molecule research reagent reported as an impurity of camphor and supplied as a solid reference material for analytical, synthetic, and quality-control applications. It is identified by CAS 62319-13-5, has molecular formula C11H18O4S and molecular weight 246.32 g/mol. Common pack sizes range from 25 mg to 10 g, with 1 g commonly available.
- Suitable as a reference standard and impurity marker in analytical testing.
- Applicable for synthetic chemistry and drug intermediate workflows.
- Provided as a solid with reported purity greater than 95%.
- Available in multiple pack sizes for flexibility of use.
- Well-defined chemical identity: C11H18O4S; MW 246.32 g/mol.