Diisopropyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate CAS 326008-30-4
| CAS No. | 326008-30-4 |
| Molecular Formula | C23H28ClN2O3P |
| Molecular Weight | 446.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 446.91 g/mol gives Diisopropyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diisopropyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate (CAS 326008-30-4), molecular formula C23H28ClN2O3P and molecular weight 446.91 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a phosphonate group, a hydroxyl group, an ether linkage, chlorine substitution, Diisopropyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 446.91 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Diisopropyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C23H28ClN2O3P |
| Molecular Weight | 446.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Diisopropyl Standards
- Diisopropyl(2',4',6'-triisopropyl-3,6-dimethoxy-[1,1'-biphenyl]-2-yl)phosphine (CAS 1160861-52-8)
- Diisopropyl 4-(5-(4-chlorophenyl)furan-2-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 421580-71-4)
- (1,3-Diisopropyl-1,3-dihydro-2H-benzo[d]imidazol-2-ylidene)gold(III) chloride (CAS 953820-59-2)
- Diisopropyl-(1H,1H,2H,2H-Perfluorooctyl)Silane (CAS 356056-14-9)
- Diisopropyl 2,6-dimethyl-4-(5-(3-nitrophenyl)furan-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate (CAS 111399-97-4)
- Diisopropyl 2-tosyl-2-azaspiro[3.3]heptane-6,6-dicarboxylate (CAS 1237542-10-7)
- Diisopropyl 3-benzoyl-7-(pyridin-4-yl)indolizine-1,2-dicarboxylate (CAS 853334-28-8)
- Diisopropyl 1-tosylpiperidine-4,4-dicarboxylate (CAS 1523618-00-9)
Recommended Standards
- 3-(3-Chlorobenzo[b]thiophene-2-carboxamido)-N-phenylbenzofuran-2-carboxamide (CAS 620581-66-0)
- Avanafil Impurity 3 (CAS 1364671-52-2)
- 2-(3-Chlorophenyl)-4-(3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)phthalazin-1(2H)-one (CAS 1291859-96-5)
- 4,6-Dibromo-2-(2-bromophenyl)benzo[d]oxazol-5-amine (CAS 637302-91-1)
- 2-(4-(Benzyloxy)-3-fluoro-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2744257-92-7)
- 2-(2-Fluoro-4-(trifluoromethyl)phenyl)-4-methylthiazole-5-carboxylic acid (CAS 1186404-90-9)
- 4-(2-Oxoimidazolidin-1-yl)benzaldehyde (CAS 40224-25-7)
- Posaconazole impurity 241 (CAS CATO-C4X-1208241)
- Methyl 2-(3-isopropylureido)benzoate (CAS 100075-58-9)
- 3-(4-amino-2-fluorophenoxymethyl)benzonitrile (CAS 1094859-64-9)
- N-Methyl-1-(1-phenyl-1h-pyrrol-2-yl)methanamine (CAS 1211512-65-0)
- N-(6-Ethynyl-1H-pyrrolo[3,2-b]pyridin-7-yl)methanesulfonamide (CAS 1357980-94-9)
- 4-Bromo-2-fluoro-N-(4-methylpyridin-3-yl)benzamide (CAS 1284195-86-3)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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