Ac-Gln-NH2 (E-2865.0250) CAS 18839-88-8
| CAS No. | 18839-88-8 |
| Molecular Formula | C7H13N3O3 |
| Molecular Weight | 187.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ac-Gln-NH2 (E-2865.0250) (CAS 18839-88-8), molecular formula C7H13N3O3 and molecular weight 187.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H13N3O3, Ac-Gln-NH2 (E-2865.0250) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.20 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.
As a certified reference material (CRM), Ac-Gln-NH2 (E-2865.0250) 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 | C7H13N3O3 |
| Molecular Weight | 187.20 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Recommended Standards
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