| CAS No. | 33944-90-0 |
| Molecular Formula | C20H32N6O12S2Se |
| Molecular Weight | 691.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, (2S,7R,13R,18S)-2,18-Diamino-7,13-bis((carboxymethyl)carbamoyl)-5,15-dioxo-9,11-dithia-10-selena-6,14-diazanonadecanedioic acid is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 691.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(2S,7R,13R,18S)-2,18-Diamino-7,13-bis((carboxymethyl)carbamoyl)-5,15-dioxo-9,11-dithia-10-selena-6,14-diazanonadecanedioic acid (CAS 33944-90-0) is a high-purity analytical reference standard with the molecular formula C20H32N6O12S2Se and a molecular weight of 691.59 g/mol.
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 (2S,7R,13R,18S)-2,18-Diamino-7,13-bis((carboxymethyl)carbamoyl)-5,15-dioxo-9,11-dithia-10-selena-6,14-diazanonadecanedioic 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 | C20H32N6O12S2Se |
| Molecular Weight | 691.59 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |