20605-01-0 Diethyl bis(hydroxymethyl)malonate Propanedioic acid, 2,2-bis(hydroxymethyl)-, 1,3-diethyl ester Propanedioic acid, bis(hydroxymethyl)-, diethyl ester EINECS 243-916-8 CAS 20605-01-0

Description

Compared with other compounds in its class, the molecular weight of 220.22 g/mol gives 20605-01-0 Diethyl bis(hydroxymethyl)malonate Propanedioic acid, 2,2-bis(hydroxymethyl)-, 1,3-diethyl ester Propanedioic acid, bis(hydroxymethyl)-, diethyl ester EINECS 243-916-8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

20605-01-0 Diethyl bis(hydroxymethyl)malonate Propanedioic acid, 2,2-bis(hydroxymethyl)-, 1,3-diethyl ester Propanedioic acid, bis(hydroxymethyl)-, diethyl ester EINECS 243-916-8 (CAS 20605-01-0), molecular formula C9H16O6 and molecular weight 220.22 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 20605-01-0 Diethyl bis(hydroxymethyl)malonate Propanedioic acid, 2,2-bis(hydroxymethyl)-, 1,3-diethyl ester Propanedioic acid, bis(hydroxymethyl)-, diethyl ester EINECS 243-916-8 (C9H16O6) contains a carboxylic acid group, 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 220.22 g/mol, it falls into the medium-molecular-weight range.

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

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com