[(3Z)-1-[(2,6-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate CAS 252579-06-9
| CAS No. | 252579-06-9 |
| Molecular Formula | C20H18Cl2N2O3 |
| Molecular Weight | 405.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), [(3Z)-1-[(2,6-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate 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.
[(3Z)-1-[(2,6-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 252579-06-9), molecular formula C20H18Cl2N2O3 and molecular weight 405.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, [(3Z)-1-[(2,6-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (C20H18Cl2N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 405.27 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C20H18Cl2N2O3 |
| Molecular Weight | 405.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Z Standards
- [(3Z)-1-[(2,4-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 2,2-dimethylpropanoate (CAS 303997-04-8)
- [(3Z)-1-[(2,4-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 303996-98-7)
- [(3Z)-1-[(2,6-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 252579-07-0)
- 1-(4-(2,4-Dichlorophenyl)thiazol-2-yl)-4-(4-fluorophenyl)-1H-pyrazol-5-amine (CAS 956795-96-3)
- 3-((3,4-Dichlorophenyl)diazenyl)-1-(morpholinomethyl)-1H-indol-2-ol (CAS 338391-74-5)
- 4-(2,4-Dichlorophenyl)-2-phenyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine (CAS 339279-76-4)
- N-(3,4-Dichlorophenyl)-4-hydroxy-1-methyl-1H-thieno[3,2-c][1,2]thiazine-3-carboxamide 2,2-dioxide (CAS 303987-82-8)
- (3E)-3-{[(2,6-dichlorophenyl)methoxy]imino}-1-(2-phenyl-1,3-thiazol-5-yl)propan-1-one (CAS 338414-41-8)
Recommended Standards
- [(3Z)-5-Chloro-1-[(4-chlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 320421-02-1)
- [(3Z)-5-Chloro-1-[(4-chlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 320420-99-3)
- 1-Butyl-N-(2,4-dichlorophenyl)-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 300716-28-3)
- (S)-ethyl 4-(1-(3-(3,5-dichlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)ethyl)benzoate (CAS 870823-08-8)
- 2,3,4-Trichloro-6-(2,4-dichlorophenoxy)aniline (CAS 64630-64-4)
- Au1235 (CAS 1338780-86-1)
- 1,1-Difluoro-3-nitrobutan-2-ol (CAS 129660-33-9)
- 3-(Aminomethyl)-2-naphthol (CAS 1181563-65-4)
- N,N-Diethyl-2-(3-phenyl-1,2,4-oxadiazol-5-yl)ethan-1-amine phosphate (CAS 1949-19-5)
- 2-(Butylthio)-4-(4-chlorophenyl)-6-(p-tolyl)nicotinonitrile (CAS 339199-79-0)
- 2-(2-(((4-Aminopyridin-3-yl)amino)methyl)phenyl)isoindoline-1,3-dione (CAS 1417793-22-6)
- (S)-N-(1-((5-Methylisoxazol-3-yl)amino)-1-oxo-3-phenylpropan-2-yl)pivalamide (CAS 1134469-60-5)
- 2-Bromo-N-[3-(heptyloxy)phenyl]acetamide (CAS 1138442-51-9)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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