2-[2-[4-(2,3-Dimethylphenyl)-1-piperazinyl]-2-oxoethyl]-4-(4-pyridinylmethyl)-1(2H)-phthalazinone CAS 902499-78-9
| CAS No. | 902499-78-9 |
| Molecular Formula | C28H29N5O2 |
| Molecular Weight | 467.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-[2-[4-(2,3-Dimethylphenyl)-1-piperazinyl]-2-oxoethyl]-4-(4-pyridinylmethyl)-1(2H)-phthalazinone (C28H29N5O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 467.56 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.
2-[2-[4-(2,3-Dimethylphenyl)-1-piperazinyl]-2-oxoethyl]-4-(4-pyridinylmethyl)-1(2H)-phthalazinone (CAS 902499-78-9) is a high-purity analytical reference standard with the molecular formula C28H29N5O2 and a molecular weight of 467.56 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C28H29N5O2 |
| Molecular Weight | 467.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
Related Dimethylphenyl Standards
- 2-[4-(2,5-Dimethylphenyl)piperazin-1-yl]-N-(4-ethoxyphenyl)pyridine-3-sulfonamide (CAS 1291845-83-4)
- Methyl 5-((2,4-dimethylphenyl)carbamoyl)-4-methyl-2-(2-(o-tolyloxy)acetamido)thiophene-3-carboxylate (CAS 335407-88-0)
- 1-(3,4-Dimethylphenyl)-4-(2-(2-hydroxy-3'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-3-yl)hydrazono)-3-methyl-1H-pyrazol-5(4H)-one (CAS 1033040-23-1)
- 4-((2,5-Dimethylphenyl)thio)-1-(4-methoxyphenyl)-2-phenyl-6,7-dihydro-1H-indole-5-carbaldehyde (CAS 477887-80-2)
- 2-(3,4-Dimethylphenyl)-4-((2-hydroxy-3'-(2H-tetrazol-5-yl)-[1,1'-biphenyl]-3-yl)diazenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 376592-42-6)
- 2-((2-(3,4-Dimethylphenyl)-2-oxoethyl)thio)-4-(4-methoxyphenyl)-6-phenylnicotinonitrile (CAS 332018-76-5)
- 3-{[(2,5-dimethylphenyl)methyl]sulfanyl}-4-methyl-5-{2-[3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-thiazol-4-yl}-4H-1,2,4-triazole (CAS 956754-74-8)
- 3-[4-(2,3-dimethylphenyl)piperazine-1-carbonyl]-N,N-dimethyl-4-(pyrrolidin-1-yl)benzene-1-sulfonamide (CAS 794572-10-4)
Recommended Standards
- 2-((4-Benzyl-1,1-dioxido-4H-benzo[e][1,2,4]thiadiazin-3-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 951486-26-3)
- 2-Butyl-2-phenylhexanenitrile (CAS 3508-99-4)
- 1-[(4-Ethenylphenyl)methyl]-N-(4-{[(4-methylphenyl)methyl]carbamoyl}phenyl)-5-oxopyrrolidine-2-carboxamide (CAS 1922855-81-9)
- 5-(2-(Benzyloxy)phenyl)-N'-(4-(diethylamino)benzylidene)-1H-pyrazole-3-carbohydrazide (CAS 634895-37-7)
- 4-(Aminomethyl)-3-chloro-6-(difluoromethyl)pyridin-2-amine (CAS 1806840-49-2)
- 5-(2-Chloro-5-nitrophenyl)-3-(2,5-dimethylphenyl)-1,2,4-oxadiazole (CAS 1707609-08-2)
- 2,4-Dichlorophenyl 6-(1H-1,2,4-triazol-1-yl)nicotinate (CAS 400079-29-0)
- 1-(3-Chlorophenyl)-4-imino-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-amine (CAS 1416346-19-4)
- 1-(2-Fluorophenyl)-1-(5-methyl-1,2,4-oxadiazol-3-yl)methanamine hydrochloride (CAS 1306604-81-8)
- 2-Chloro-N,N-dimethylpyridin-4-amine (CAS 59047-70-0)
- 5-[(3-Methoxyphenyl)methyl]-7-(trifluoromethyl)-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxaline (CAS 860785-75-7)
- 2-Amino-5-(1-(2-(3-hydroxy-2-naphthoyl)hydrazono)ethyl)-4-methylthiophene-3-carboxamide (CAS 304666-68-0)
- 1-Phenylcyclopropane-1-carboximidamide (CAS 1029476-06-9)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
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