Potassium 1-hydroxy-4-((4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)naphthalene-2-sulfonate CAS 156122-91-7
| CAS No. | 156122-91-7 |
| Molecular Formula | C18H15N2O7S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Potassium 1-hydroxy-4-((4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)naphthalene-2-sulfonate 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.
CATO supplies Potassium 1-hydroxy-4-((4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)naphthalene-2-sulfonate (CAS 156122-91-7), a certified reference material (molecular formula C18H15N2O7S2K, MW 474.54 g/mol) for analytical method development and quality control.
Structurally, Potassium 1-hydroxy-4-((4-((2-hydroxyethyl)sulfonyl)phenyl)diazenyl)naphthalene-2-sulfonate (C18H15N2O7S2K) 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 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 474.54 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C18H15N2O7S2 K |
| Molecular Weight | 474.54 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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- (S)-3-Amino-3-(4-hydroxyphenyl)propanoic acid hydrochloride (CAS 54732-46-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com