| CAS No. | 928137-35-3 |
| Molecular Formula | C20H30N8O5S |
| Molecular Weight | 494.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(5S,8S,11S,14S)-8,14-Bis((1H-imidazol-4-yl)methyl)-5-amino-11-methyl-6,9,12-trioxo-2-thia-7,10,13-triazapentadecan-15-oic acid (CAS 928137-35-3), molecular formula C20H30N8O5S and molecular weight 494.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H30N8O5S, (5S,8S,11S,14S)-8,14-Bis((1H-imidazol-4-yl)methyl)-5-amino-11-methyl-6,9,12-trioxo-2-thia-7,10,13-triazapentadecan-15-oic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 494.57 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (5S,8S,11S,14S)-8,14-Bis((1H-imidazol-4-yl)methyl)-5-amino-11-methyl-6,9,12-trioxo-2-thia-7,10,13-triazapentadecan-15-oic 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 | C20H30N8O5S |
| Molecular Weight | 494.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 1 |