1-Ethyl-2-methylquinolin-1-ium tetrafluoroborate CAS 21658-58-2
| CAS No. | 21658-58-2 |
| Molecular Formula | C12H14N |
| Molecular Weight | N/A |
| 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 1-Ethyl-2-methylquinolin-1-ium tetrafluoroborate.
CATO supplies 1-Ethyl-2-methylquinolin-1-ium tetrafluoroborate (CAS 21658-58-2), a certified reference material (molecular formula C12H14NBF4, MW 259.05 g/mol) for analytical method development and quality control.
Structurally, 1-Ethyl-2-methylquinolin-1-ium tetrafluoroborate (C12H14NBF4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 259.05 g/mol, it falls into the medium-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.
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.
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 | C12H14N BF4 |
| Molecular Weight | 259.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 2-(2-Methylquinolin-6-yl)acetonitrile (CAS 1000564-75-9)
- (8-Methylquinolin-4-yl)methanamine hydrochloride (CAS 1001906-67-7)
- (8-Methylquinolin-4-yl)methanamine (CAS 1001939-58-7)
- (3-methylquinolin-5-yl)methanol (CAS 1015078-02-0)
- 2-(((2-Methylquinolin-4-yl)amino)methylene)-1H-indene-1,3(2H)-dione (CAS 1024127-32-9)
- (8-Methylquinolin-5-yl)boronic acid (CAS 1025010-58-5)
- (3-Methylquinolin-2-yl)methanamine (CAS 1027763-54-7)
- 3-Ethyl-2-methylquinolin-4-amine (CAS 104338-91-2)
Recommended Standards
- 2-(chloromethyl)pyridin-3-ol hydrochloride (CAS 80322-74-3)
- 6-(3-(Hydroxymethyl)phenyl)pyridin-3-ol (CAS 1255638-64-2)
- 2-Propoxy-5-(trifluoromethyl)pyridin-3-ol (CAS 1881320-55-3)
- 5,6-Dimethoxypyrazine-2,3-dicarbonitrile (CAS 244261-36-7)
- Bendamustine Impurity 35 (CAS CATO-C4X-127135)
- 2-(5-(2,5-Dichlorophenyl)furan-2-yl)cyclopropanamine (CAS 1315344-42-3)
- 3,5-Dibromo-N-methylpyrazin-2-amine (CAS 894808-28-7)
- 1-(Tert-butyl) 4-ethyl 2-methyl-5-oxoazepane-1,4-dicarboxylate (CAS 2242945-39-5)
- (S)-1-hydroxy-3-(4-((3-methylbut-2-en-1-yl)oxy)phenyl)pyrrolidine-2,5-dione (CAS 656832-04-1)
- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
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