2-(1,3-Benzodioxol-5-yl)-7-chloro-8-methylquinoline-4-carbonyl chloride CAS 1160256-75-6
| CAS No. | 1160256-75-6 |
| Molecular Formula | C18H11Cl2NO3 |
| Molecular Weight | 360.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 360.19 g/mol gives 2-(1,3-Benzodioxol-5-yl)-7-chloro-8-methylquinoline-4-carbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1,3-Benzodioxol-5-yl)-7-chloro-8-methylquinoline-4-carbonyl chloride (CAS 1160256-75-6), molecular formula C18H11Cl2NO3 and molecular weight 360.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(1,3-Benzodioxol-5-yl)-7-chloro-8-methylquinoline-4-carbonyl chloride (C18H11Cl2NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 360.19 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.
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 | C18H11Cl2NO3 |
| Molecular Weight | 360.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- tert-Butyl 3-iodo-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate (CAS 1033706-36-3)
- (3-Propyloxetan-3-yl)methyl 4-iodobenzoate (CAS 118546-18-2)
- 2-Mercapto-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine-3-carbonitrile (CAS 144291-93-0)
- (Z)-Pentatriacont-9-en-18-one (CAS 173546-57-1)
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- 1-(((Benzyloxy)carbonyl)amino)-3-oxocyclobutane-1-carboxylic acid (CAS 2490374-67-7)
- (4Z)-1-(4-Chlorophenyl)-4-{[(2,4-difluorophenyl)amino]methylidene}-3-ethoxy-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-17-0)
- N-(3-(1H-Benzo[d]imidazol-2-yl)-1H-pyrazol-4-yl)-2-ethoxybenzamide (CAS 825617-70-7)
- 2-(1H-benzo[d][1,2,3]triazol-1-yl)-N-(2-(trifluoromethyl)phenyl)acetamide (CAS 332157-62-7)
- 3-(Aminomethyl)-2-cyclopropoxybenzenesulfonamide (CAS 1243400-23-8)
- 4-(Methylamino)piperidine Dihydrochloride (CAS 1220039-56-4)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
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