L-Homocystine bis-methyl ester dihydrochloride CAS 147857-42-9

Purity 97%+In StockPharmaceutical Standards
CAS No.147857-42-9
Molecular FormulaC10H20N2O4S2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-Homocystine bis-methyl ester dihydrochloride CAS 147857-42-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 332.86 g/mol gives L-Homocystine bis-methyl ester dihydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

L-Homocystine bis-methyl ester dihydrochloride (CAS 147857-42-9), molecular formula C10H20N2O4S2HCl and molecular weight 332.86 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H20N2O4S2HCl, L-Homocystine bis-methyl ester dihydrochloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 332.86 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

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 FormulaC10H20N2O4S2 HCl
Molecular Weight332.86 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1999
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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