N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine DISCONTINUED, see A178912 CAS 86293-33-6
| CAS No. | 86293-33-6 |
| Molecular Formula | - |
| Molecular Weight | 211.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine DISCONTINUED, see A178912 is closely related to deuterium isotope labeling, an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine DISCONTINUED, see A178912 (CAS 86293-33-6), a certified reference material (molecular formula C7H9D4NO4S, MW 211.27 g/mol) for analytical method development and quality control.
N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine DISCONTINUED, see A178912 (C7H9D4NO4S) contains deuterium isotope labeling, an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine DISCONTINUED, see A178912 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H9D4NO4S |
| Molecular Weight | 211.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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