2-(((2-(Piperazin-1-yl)ethyl)amino)methylene)-1H-indene-1,3(2H)-dione CAS 354543-33-2
| CAS No. | 354543-33-2 |
| Molecular Formula | C16H19N3O2 |
| Molecular Weight | 285.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(((2-(Piperazin-1-yl)ethyl)amino)methylene)-1H-indene-1,3(2H)-dione (C16H19N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 285.34 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(((2-(Piperazin-1-yl)ethyl)amino)methylene)-1H-indene-1,3(2H)-dione (CAS 354543-33-2) is a high-purity analytical reference standard with the molecular formula C16H19N3O2 and a molecular weight of 285.34 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H19N3O2 |
| Molecular Weight | 285.34 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Piperazin Standards
- 4-(Piperazin-1-ylsulfonyl)benzo[c][1,2,5]thiadiazole (CAS 488122-76-5)
- Methyl 4-(piperazin-1-ylsulfonyl)benzoate (CAS 919063-38-0)
- (2-Methyl-5-(piperazin-1-ylsulfonyl)phenyl)boronic acid (CAS 1704122-13-3)
- 2-(Piperazin-1-yl)-n-[2-(trifluoromethyl)phenyl]acetamide (CAS 851710-82-2)
- (5-Methyl-6-(piperazin-1-yl)pyridin-3-yl)(phenyl)methanol (CAS 1355219-86-1)
- 2-(Piperazin-1-ylsulfonyl)benzo[d]thiazole (CAS 1411763-59-1)
- 2-(3-Oxo-3-(piperazin-1-yl)propyl)isoindoline-1,3-dione (CAS 1018568-22-3)
- N-(4-(Piperazin-1-ylsulfonyl)phenyl)acetamide (CAS 100318-71-6)
Recommended Standards
- 1-tert-Butyl 4-methyl 4-(2-oxoethyl)piperidine-1,4-dicarboxylate (CAS 693824-61-2)
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- 1-Tert-butyl 4-ethyl 3-oxoazepane-1,4-dicarboxylate (CAS 98977-38-9)
- 2-((1R,5S)-9-(tert-butoxycarbonyl)-3-oxa-9-azabicyclo[3.3.1]Nonan-7-yl)acetic acid (CAS 1986375-96-5)
- N-(5-Methylisoxazol-4-yl)-N-propylformamide (CAS 600638-88-8)
- 4-((Thiophen-2-ylmethyl)amino)benzoic acid (CAS 1715-13-5)
- 5-Fluoroimidazo[1,2-a]pyridin-3-amine (CAS 1427372-48-2)
- 8,9-Dichloro-2,3,4,4a-tetrahydro-1H,6H-pyrazino[1,2-a]quinoxalin-5-one hydrochloride (CAS 276695-22-8)
- S-(4-chlorophenyl) methanethioate (CAS 27064-05-7)
- 4-Ethoxy-3-ethynylbenzoic acid (CAS 2365228-84-6)
- 3-Bromo-6,7-dihydropyrrolo[2,3-c]azepine-4,8(1H,5H)-dione (CAS 161200-38-0)
- Methyl 4-(2,3-difluorophenyl)benzoate (CAS 1248542-13-3)
- 6-Chloro-5-(difluoromethyl)-4-iodopyridin-2-ol (CAS 1804448-11-0)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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