| CAS No. | 154161-81-6 |
| Molecular Formula | C34H32ClN3O6 |
| Molecular Weight | 614.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, 4-((5-Chloro-1,3,3-trimethyl-3H-indol-1-ium-2-yl)methylene)-2-((5-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)-1-ethyl-3,3-dimethylindolin-2-ylidene)methyl)-3-oxocyclobut-1-en-1-olate (C34H32ClN3O6) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 614.09 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4-((5-Chloro-1,3,3-trimethyl-3H-indol-1-ium-2-yl)methylene)-2-((5-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)-1-ethyl-3,3-dimethylindolin-2-ylidene)methyl)-3-oxocyclobut-1-en-1-olate (CAS 154161-81-6), a certified reference material (molecular formula C34H32ClN3O6, MW 614.09 g/mol) for analytical method development and quality control.
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.
CATO manufactures 4-((5-Chloro-1,3,3-trimethyl-3H-indol-1-ium-2-yl)methylene)-2-((5-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)-1-ethyl-3,3-dimethylindolin-2-ylidene)methyl)-3-oxocyclobut-1-en-1-olate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C34H32ClN3O6 |
| Molecular Weight | 614.09 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |