7-Chloro-2-methyl-5-oxo-N-(pyridin-4-yl)-5H-chromeno[2,3-b]pyridine-3-carboxamide CAS 343375-49-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343375-49-5 |
| Molecular Formula | C19H12ClN3O3 |
| Molecular Weight | 365.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-2-methyl-5-oxo-N-(pyridin-4-yl)-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 343375-49-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H12ClN3O3. Molecular weight: 365.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H12ClN3O3 |
| Molecular Weight | 365.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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Recommended Standards
- 6-(2-Chlorophenyl)-4-imino-3-phenyl-1H,2H,3H,4H,7H,8H-[1,3]diazino[5,4-d]pyrimidine-2,8-dione (CAS 866019-01-4)
- Methyl 2-(4-amino-3-benzyl-5-(2-chloroacetyl)-2,6-dioxo-3,6-dihydropyrimidin-1(2h)-yl)acetate (CAS 749219-02-1)
- 4-Amino-6-(4-chlorophenyl)-3-phenyl-3,7-dihydropyrimido[5,4-d]pyrimidine-2,8-dione (CAS 865658-75-9)
- 6-Chloro-8-fluoroquinazolin-4(3H)-one (CAS 187805-51-2)
- 1-[(4,5,6,7-tetrafluorobenzo[b]furan-2-yl)methyl]pyrrolidine (CAS 256525-88-9)
- 4-Bromo-2-cyano-5-(difluoromethyl)benzene-1-sulfonyl chloride (CAS 1804907-04-7)
- Ethyl 2-((3-cyano-4-phenyl-6-(p-tolyl)pyridin-2-yl)thio)acetate (CAS 94360-76-6)
- 3-Oxo-7-azaspiro[3.5]nonane-7-carboxylate tert-butyl ester 849203-60-7 1-Oxo-7-Boc-7-azaspiro[3.5]nonane (CAS 849203-60-7)
- Maritoclax (CAS 1010732-14-5)
- Neuropeptide S (human) (CAS 412938-67-1)
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