8-Methyl-5-nitrocinnolin-4(1H)-one CAS 5375-23-5
| CAS No. | 5375-23-5 |
| Molecular Formula | C17H23ClN2O4S2 |
| Molecular Weight | 418.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 8-Methyl-5-nitrocinnolin-4(1H)-one (CAS 5375-23-5), a certified reference material (molecular formula C17H23ClN2O4S2, MW 418.96 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H23ClN2O4S2, 8-Methyl-5-nitrocinnolin-4(1H)-one contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 418.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 8-Methyl-5-nitrocinnolin-4(1H)-one 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 | C17H23ClN2O4S2 |
| Molecular Weight | 418.96 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- Methyl 5-(6-nitrocinnolin-4-yl)-1H-pyrrole-2-carboxylate (CAS 1443978-92-4)
- 3-Methyl-6-nitrocinnolin-4(1h)-one (CAS 500590-07-8)
- 6-nitrocinnolin-4-ol (CAS 7387-19-1)
- 5-Nitrocinnolin-3-ol (CAS 1823800-95-8)
- 3-Nitrocinnolin-4-ol (CAS 500538-67-0)
- 5-Nitrocinnolin-4-ol (CAS 306991-09-3)
- 6-Nitrocinnolin-4(1H)-one (CAS 86222-55-1)
- 7-Nitrocinnolin-4-ol (CAS 412338-77-3)
Recommended Standards
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- 3-Bromoisoquinoline (CAS 34784-02-6)
- Ethyl 4-(2-Chloroacetyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 315663-65-1)
- 3-Cyclopropyl-2,2-difluoropropane-1-sulfonyl chloride (CAS 1783608-33-2)
- N-Desmethyl Bedaquiline (CAS 861709-47-9)
- Lamotrigine EP Impurity E (CAS 50-45-3)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com