8,8'-Disulfanediylbis(quinoline-3-carboxylic acid) dihydrochloride CAS 2438559-02-3
| CAS No. | 2438559-02-3 |
| Molecular Formula | C20H12N2O4S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 8,8'-Disulfanediylbis(quinoline-3-carboxylic acid) dihydrochloride (C20H12N2O4S2HCl) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 444.90 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
8,8'-Disulfanediylbis(quinoline-3-carboxylic acid) dihydrochloride (CAS 2438559-02-3), molecular formula C20H12N2O4S2HCl and molecular weight 444.90 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 8,8'-Disulfanediylbis(quinoline-3-carboxylic acid) dihydrochloride 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.
Physical & Chemical Properties
| Molecular Formula | C20H12N2O4S2 2*HCl |
| Molecular Weight | 444.90 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Disulfanediylbis Standards
- 3,3'-Disulfanediylbis(N-phenylpropanamide) (CAS 1047-89-8)
- 2,2'-Disulfanediylbis(4-ethylaniline) (CAS 1049032-33-8)
- 2,2'-Disulfanediylbis(N,N,N-trimethylethan-1-aminium) iodide (CAS 10498-85-8)
- 6,6'-Disulfanediylbis(2,4-dimethylphenol) (CAS 106449-24-5)
- 2,2'-Disulfanediylbis(N,N-dimethylethanamine) (CAS 1072-11-3)
- 1,1'-(Disulfanediylbis(ethane-2,1-diyl))diguanidine (CAS 1072-13-5)
- 1,1'-(Disulfanediylbis(ethane-2,1-diyl))bis(pyrrolidine-2,5-dione) (CAS 108482-22-0)
- 16,16'-Disulfanediylbis(hexadecan-1-ol) (CAS 112141-28-3)
Recommended Standards
- N-(4,6-Difluorobenzo[d]thiazol-2-yl)-4-nitrobenzamide (CAS 313520-81-9)
- 3-(2-Bromo-4-chlorophenoxy)propan-1-amine (CAS 1016838-15-5)
- N-(2-aminoethyl)-2,6-difluorobenzamide hydrochloride (CAS 1311317-04-0)
- Methotrexate Impurity 78 (CAS CATO-C4X-115478)
- 1-(3-(5-Isobutyl-6-oxo-1,6-dihydropyrazin-2-yl)propyl)guanidine (CAS 34098-41-4)
- 5-(2,4,6-Trimethylphenyl)-1h-imidazole (CAS 104672-18-6)
- 2,7-Dichloro-4,5-bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-9H-xanthen-9-one (CAS 439791-19-2)
- Sugammadex Impurity 36 (CAS CATO-C4X-190636)
- (2S)-1-benzhydryl-2-methylazetidin-3-ol (CAS 2231670-15-6)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
Why CATO?
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