| CAS No. | 83111-01-7 |
| Molecular Formula | C4H12N2O3S |
| Molecular Weight | 168.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
2-[(2-Aminoethyl)-amino]-ethanesulfonic acid (CAS 83111-01-7) is a high-purity analytical reference standard with the molecular formula C4H12N2O3S and a molecular weight of 168.21 g/mol.
Based on its molecular formula C4H12N2O3S, 2-[(2-Aminoethyl)-amino]-ethanesulfonic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 168.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2-[(2-Aminoethyl)-amino]-ethanesulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C4H12N2O3S |
| Molecular Weight | 168.21 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) | 0.0 |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |