5-Mercaptoquinoline-6-carboxylic acid CAS 873970-05-9
| CAS No. | 873970-05-9 |
| Molecular Formula | C10H7NO2S |
| Molecular Weight | 205.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 205.23 g/mol gives 5-Mercaptoquinoline-6-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Mercaptoquinoline-6-carboxylic acid (CAS 873970-05-9) is a high-purity analytical reference standard with the molecular formula C10H7NO2S and a molecular weight of 205.23 g/mol.
The molecular framework of 5-Mercaptoquinoline-6-carboxylic acid (C10H7NO2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H7NO2S |
| Molecular Weight | 205.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Mercaptoquinoline Standards
- 8-Mercaptoquinoline-4-carboxylic acid (CAS 121689-24-5)
- 3-Mercaptoquinoline-2-carboxylic acid (CAS 61830-01-1)
- 8-Mercaptoquinoline-5-carboxylic acid (CAS 732219-03-3)
- 2-Mercaptoquinoline-4-carboxamide (CAS 929973-05-7)
- 8-Mercaptoquinoline 1-oxide (CAS 88144-87-0)
- 4-Mercaptoquinoline-3-sulfonic acid (CAS 502621-93-4)
- 4-Mercaptoquinoline-8-sulfonic acid (CAS 71330-94-4)
- 5-Mercaptoquinoline-8-sulfonic acid (CAS 60999-28-2)
Recommended Standards
- 5-Fluoro-3-(tetrahydrofuran-3-yl)-1h-indole (CAS 2197056-90-7)
- 5-methoxy-1,3-dimethyl-1H-pyrazole-4-sulfonamide (CAS 88398-41-8)
- 5-Fluoro-1-propyl-1H-indole-3-carbaldehyde (CAS 944465-16-1)
- 5-Phenylthiazole-2-carboxylic Acid (CAS 937369-77-2)
- 3-Iodo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole (CAS 2057506-89-3)
- 4-(2-Methylprop-2-en-1-yl)-5-(phenoxymethyl)-4h-1,2,4-triazole-3-thiol (CAS 328556-78-1)
- 7-Amino Clonazepam (CAS 4959-17-5)
- 2-(Benzo[d][1,3]dioxol-5-yl)-2,3-dihydroquinolin-4(1H)-one (CAS 135762-53-7)
- 1-(propan-2-yloxy)isoquinoline-3-carboxylic acid (CAS 1094553-97-5)
- N-(cyanomethyl)-2-iodobenzamide (CAS 333349-51-2)
- 6-Hydroxy-5-((5-methoxy-1-(thiophene-2-carbonyl)-1H-indol-3-yl)methyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 1190013-14-9)
- 1-Ethyl-2-(4-fluorophenyl)pyrrolidine (CAS 1109231-05-1)
- 2-(2,4-Difluorophenyl)-1H-imidazole-5-carbaldehyde (CAS 1824090-49-4)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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