(R)-2-(2-Amino-3-(ethyldisulfanyl)propanamido)acetic acid CAS 63695-95-4
| CAS No. | 63695-95-4 |
| Molecular Formula | C7H14N2O3S2 |
| Molecular Weight | 238.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2-(2-Amino-3-(ethyldisulfanyl)propanamido)acetic acid (CAS 63695-95-4) is a high-purity analytical reference standard with the molecular formula C7H14N2O3S2 and a molecular weight of 238.33 g/mol.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, (R)-2-(2-Amino-3-(ethyldisulfanyl)propanamido)acetic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (R)-2-(2-Amino-3-(ethyldisulfanyl)propanamido)acetic acid 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 | C7H14N2O3S2 |
| Molecular Weight | 238.33 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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