3'-(3,4-Dichlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione CAS 338418-90-9
| CAS No. | 338418-90-9 |
| Molecular Formula | C23H14Cl4N2O2S |
| Molecular Weight | 524.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3'-(3,4-Dichlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338418-90-9) is a high-purity analytical reference standard with the molecular formula C23H14Cl4N2O2S and a molecular weight of 524.25 g/mol.
Structurally, 3'-(3,4-Dichlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (C23H14Cl4N2O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 524.25 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3'-(3,4-Dichlorophenyl)-1-[(3,4-dichlorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 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 | C23H14Cl4N2O2S |
| Molecular Weight | 524.25 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichlorophenyl Standards
- 3'-(3,4-Dichlorophenyl)-1-[(2,4-dichlorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338406-10-3)
- (2E)-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}-3-[(4-iodophenyl)amino]prop-2-en-1-one (CAS 478040-36-7)
- 1-[(2,4-Dichlorophenyl)methyl]-3'-[3-(trifluoromethyl)phenyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338419-00-4)
- 3'-(3,4-Dichlorophenyl)-1-{[3-(trifluoromethyl)phenyl]methyl}-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338418-89-6)
- 1-[(2,4-Dichlorophenyl)methyl]-3-[4-methyl-5-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)-4H-1,2,4-triazol-3-yl]-1,2-dihydropyridin-2-one (CAS 477853-22-8)
- (2E)-1-(3-{4-[(2,4-dichlorophenyl)methoxy]phenyl}-1H-pyrazol-1-yl)-3-[4-(3-fluoropropoxy)phenyl]prop-2-en-1-one (CAS 477711-56-1)
- 5-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-3-[(4-fluorophenyl)methyl]-4-hydroxy-1-[(4-methylphenyl)methyl]-1,2-dihydropyridin-2-one (CAS 477856-08-9)
- N2-[5-[1-(3,4-Dichlorophenyl)-5-(4-fluorophenyl)-1H-pyrazol-3-yl]-2-pyridinyl]-N1,N1-bis(1-methylethyl)-1,2-ethanediamine (CAS 1266401-13-1)
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