3-[(2,3-dimethoxyphenyl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid CAS 750617-49-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 750617-49-3 |
| Molecular Formula | C22H19NO4 |
| Molecular Weight | 361.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-[(2,3-dimethoxyphenyl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid (CAS 750617-49-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H19NO4. Molecular weight: 361.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H19NO4 |
| Molecular Weight | 361.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related dimethoxyphenyl Standards
- 4-(3,4-Dimethoxyphenyl)-6-(3-methoxypropyl)-3,4,6,7-tetrahydro-1H-pyrrolo[3,4-d]pyrimidine-2,5-dione (CAS 1021093-78-6)
- 2-((3,4-Dimethoxyphenyl)sulfonyl)-3-phenylisoxazol-5(2H)-one (CAS 303987-10-2)
- 2-(2,6-Dimethoxyphenyl)-1-tosylpyrrolidine (CAS 1355175-80-2)
- (E)-2-(3,4-dimethoxyphenyl)-3-oxobutanal O-(4-chlorobenzyl) oxime (CAS 478260-69-4)
- 3-(3,4-Dimethoxyphenyl)-5-((2-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 577963-05-4)
- 3-(3,4-Dimethoxyphenyl)-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 676642-55-0)
- 3-(3,4-Dimethoxyphenyl)-5-((4-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 577791-50-5)
- 4-(3,5-Dimethoxyphenyl)-5-(((4-fluorophenyl)amino)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-08-4)
Recommended Standards
- 3-(3,4-Dimethoxy-benzylidene)-2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylic acid (CAS 379726-67-7)
- 4-((2-((tert-Butoxycarbonyl)amino)ethyl)sulfonyl)-3-fluoro-2-methylbenzoic acid (CAS 2250061-92-6)
- 3-(2-((7-Methyl-2-oxo-4-propyl-2H-chromen-5-yl)oxy)propanamido)propanoic acid (CAS 858744-34-0)
- 2,2-Dimethyl-5-nitro-2,3-dihydrobenzofuran-7-ol (CAS 113194-07-3)
- 4-(4-(Tert-butyl)phenyl)-2-((4-chlorobenzyl)thio)-4-oxobutanoic acid (CAS 303090-93-9)
- 1-(2,2,2-Trifluoroethyl)piperidin-4-amine hydrochloride (CAS 180869-49-2)
- 3-(Bicyclo[1.1.1]pentan-1-ylmethyl)isoxazol-5-amine (CAS 2737247-71-9)
- 103011-95-6
ethyl (2E)-2-cyano-3-(pyridin-3-yl)prop-2-enoate
ethyl 2-cyano-3-(pyridin-3-yl)prop-2-enoate (CAS 103011-95-6)
- (OC-6-21-Λ)-Ruthenium(2+), bis(2,2'-bipyridine-κN1,κN1')(dipyrido[3,2-a:2',3'-c]phenazine-κN4,κN5)-, chloride (1:2) (CAS 1421487-24-2)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com