| CAS No. | 61925-55-1 |
| Molecular Formula | C10H6O6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 466.42 g/mol gives Fast Red B Salt 1,5-Naphthalenedisulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Fast Red B Salt 1,5-Naphthalenedisulfonate (CAS 61925-55-1) is a high-purity analytical reference standard with the molecular formula C10H6O6S2C7H6N3O3 and a molecular weight of 466.42 g/mol.
Structurally, Fast Red B Salt 1,5-Naphthalenedisulfonate (C10H6O6S2C7H6N3O3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.5, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 466.42 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Fast Red B Salt 1,5-Naphthalenedisulfonate 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.
| Molecular Formula | C10H6O6S2 2*C7H6N3O3 |
| Molecular Weight | 466.42 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |