4-Chloro-8-nitrocinnoline CAS 2096-41-5
| CAS No. | 2096-41-5 |
| Molecular Formula | C8H4ClN3O2 |
| Molecular Weight | 209.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Chloro-8-nitrocinnoline (C8H4ClN3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 209.59 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Chloro-8-nitrocinnoline (CAS 2096-41-5), a certified reference material (molecular formula C8H4ClN3O2, MW 209.59 g/mol) for analytical method development and quality control.
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 4-Chloro-8-nitrocinnoline 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 | C8H4ClN3O2 |
| Molecular Weight | 209.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-Chloro-6-nitro-1,8-naphthyridine (CAS 1051372-61-2)
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Recommended Standards
- 4-Chloro-7-nitroquinazoline (CAS 19815-17-9)
- 4-Chloro-8-nitroquinazoline (CAS 19815-18-0)
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- 4-Oxo-4H-pyrimido[1,2-b]pyridazine-3-carbonyl chloride (CAS 68786-53-8)
- 7K14B03X18 625-52-5 Ethylurea Urea, ethyl- Urea, N-ethyl- AI3-52220 EINECS 210-898-8 N-Ethylurea 1-Ethylurea NSC 53556 Urea, 1-ethyl- UNII-7K14B03X18 (CAS 625-52-5)
- 1-(2-Hydroxy-2-(2-methoxyphenyl)ethyl)-1H-1,2,3-triazole-4-carbohydrazide (CAS 1403233-73-7)
- 4-(3-Fluoro-5-hydroxyphenyl)-2-methoxybenzoic acid (CAS 1261890-38-3)
- 3-(5-Fluoropyridin-3-yl)-2-methylpropan-1-ol (CAS 1341496-11-4)
- 7-Chloro-N-(3,5-dimethoxyphenyl)quinazolin-4-amine (CAS 477856-39-6)
- 4-(4-Chlorophenyl)tetrahydrofuran-3-ol (CAS 1935328-84-9)
- Darolutamide Impurity 17 (CAS CATO-C4X-310617)
- 9,9'-(6-Chloro-1,3,5-triazine-2,4-diyl)bis(9H-carbazole) (CAS 877615-05-9)
- 2-Chloro-5-ethylbenzaldehyde (CAS 1289207-94-8)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
Why CATO?
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