4-((6,7-Dihydroxyisoquinolin-1-yl)methyl)-2,3-dihydroxybenzenesulfonic acid CAS 66719-09-3
| CAS No. | 66719-09-3 |
| Molecular Formula | C16H13NO7S |
| Molecular Weight | 363.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-((6,7-Dihydroxyisoquinolin-1-yl)methyl)-2,3-dihydroxybenzenesulfonic acid.
4-((6,7-Dihydroxyisoquinolin-1-yl)methyl)-2,3-dihydroxybenzenesulfonic acid (CAS 66719-09-3) is a high-purity analytical reference standard with the molecular formula C16H13NO7S and a molecular weight of 363.34 g/mol.
Structurally, 4-((6,7-Dihydroxyisoquinolin-1-yl)methyl)-2,3-dihydroxybenzenesulfonic acid (C16H13NO7S) 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 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 363.34 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.
As a certified reference material (CRM), 4-((6,7-Dihydroxyisoquinolin-1-yl)methyl)-2,3-dihydroxybenzenesulfonic acid 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 | C16H13NO7S |
| Molecular Weight | 363.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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