N-[(4-Methylphenyl)methyl]-2-(1-oxo-4-phenyl-1,2-dihydrophthalazin-2-yl)acetamide CAS 866153-81-3
| CAS No. | 866153-81-3 |
| Molecular Formula | C24H21N3O2 |
| Molecular Weight | 383.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-[(4-Methylphenyl)methyl]-2-(1-oxo-4-phenyl-1,2-dihydrophthalazin-2-yl)acetamide (CAS 866153-81-3) is a high-purity analytical reference standard with the molecular formula C24H21N3O2 and a molecular weight of 383.44 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, N-[(4-Methylphenyl)methyl]-2-(1-oxo-4-phenyl-1,2-dihydrophthalazin-2-yl)acetamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 383.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), N-[(4-Methylphenyl)methyl]-2-(1-oxo-4-phenyl-1,2-dihydrophthalazin-2-yl)acetamide 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 | C24H21N3O2 |
| Molecular Weight | 383.44 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related N Standards
- 2-({2-[2-(4-methylphenyl)-1,3-thiazol-4-yl]ethyl}amino)-5-nitrobenzoic acid (CAS 861211-13-4)
- 3-benzyl-6-(4-methylphenyl)-2-sulfanyl-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 438030-47-8)
- 6-[(E)-2-(4-Methylphenyl)ethenyl]-4-[(Z)-2-(4-methylphenyl)ethenyl]-2-(methylsulfanyl)pyridine-3-carbonitrile (CAS 303985-25-3)
- 2-[(5-{[(4-Methylphenyl)amino]methyl}-4-phenyl-4H-1,2,4-triazol-3-yl)thio]propanohydrazide (CAS 1306738-81-7)
- 4-[(4-Methylphenyl)methyl]-3-[1-(thiophene-3-carbonyl)piperidin-4-yl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775365-84-8)
- 4-[(4-Methylphenyl)methyl]-3-[1-(thiophene-2-carbonyl)piperidin-4-yl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775505-28-6)
- 2-{3-[({[(4-Methylphenyl)sulfonyl]amino}carbonyl)amino]phenoxy}pyrazine (CAS 866157-02-0)
- 1-(4-Methylphenyl)-4-{2-[(3-methylphenyl)methoxy]benzoyl}-1H-pyrazole (CAS 955966-94-6)
Recommended Standards
- N-(7-Methylbenzo[1,2-d:4,3-d']bis(thiazole)-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 681167-36-2)
- N-{4-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)ethyl]-1,3-thiazol-2-yl}thiophene-2-carboxamide (CAS 866041-02-3)
- N-(4-Methoxyphenyl)-2-(4-methoxystyryl)quinazolin-4-amine (CAS 69019-03-0)
- tert-Butyl (((9H-fluoren-9-yl)methoxy)carbonyl)-D-serinate (CAS 225662-91-9)
- 4-Chloro-2-(pyridin-4-yl)pyrimidine-5-carboxylic acid (CAS 1082160-02-8)
- 3-(3-Fluorophenoxy)azetidine hydrochloride (CAS 1236861-75-8)
- 2-{[(tert-butoxy)carbonyl]amino}-3-(1H-pyrrol-2-yl)propanoic acid (CAS 1379870-15-1)
- 5-[4-(tert-Butyl)phenyl]tetrazole (CAS 126393-38-2)
- 2-(Ethylamino)-2-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol (CAS 1183214-23-4)
- 4-Isocyanatobut-1-ene (CAS 52114-85-9)
- 2-(1H-1,2,3-Benzotriazol-1-yl)-N-(4-butylphenyl)acetamide (CAS 298218-10-7)
- 2-(6-(4-Methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid (CAS 870692-87-8)
- 2,2-Dimethyl-5-oxocyclohexane-1-carbonitrile (CAS 56830-41-2)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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