4-(Acridin-9-yl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one CAS 90878-34-5
| CAS No. | 90878-34-5 |
| Molecular Formula | C23H17N3O |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-(Acridin-9-yl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 90878-34-5), a certified reference material (molecular formula C23H17N3O, MW 351.40 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 4-(Acridin-9-yl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 351.40 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.
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 | C23H17N3O |
| Molecular Weight | 351.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
Related Acridin Standards
- 4-(2-(Acridin-9-yl)vinyl)-N,N-diethylaniline (CAS 54827-59-7)
- N-(Acridin-1-yl)-4-aminobenzenesulfonamide (CAS 676456-16-9)
- 1-(Acridin-9-yl)-2,5-dioxopyrrolidine-3-sulfonic acid (CAS 89685-75-6)
- Ethyl (3-(acridin-9-ylamino)phenyl)carbamate (CAS 655238-71-4)
- (3-(Acridin-9-ylamino)-5-(hydroxymethyl)phenyl)carbamic acid (CAS 492431-26-2)
- N-(4-(Acridin-9-ylamino)phenyl)-2-aminoacetamide (CAS 83209-86-3)
- (4-(Acridin-9-ylamino)phenyl)methanesulfonic acid (CAS 64895-24-5)
- Ethyl (3-(acridin-9-ylamino)-4-methylphenyl)carbamate (CAS 655238-67-8)
Recommended Standards
- 4-(5-(Benzo[d][1,3]dioxol-5-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid (CAS 314751-79-6)
- 4-[2-(2-Methoxyethoxy)ethoxy]-6-(pyridin-2-yl)-2,2'-bipyridine (CAS 613665-49-9)
- 4-(4-Fluorophenyl)-5-((naphthalen-1-yloxy)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917746-74-8)
- 5-(3-(4-Fluorophenyl)ureido)-N,N,2-trimethylbenzenesulfonamide (CAS 380320-85-4)
- (E)-N'-Benzylidene-2-(trifluoromethyl)benzenesulfonohydrazide (CAS 2301998-85-4)
- n-(5-Fluoro-2-phenoxyphenyl)acetamide (CAS 867252-29-7)
- Ethyl (R)-3-hydroxybutyrate (CAS 24915-95-5)
- 1-(3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)ethan-1-one (CAS 478065-94-0)
- (S)-3-[(2-Amino-acetyl)-cyclopropyl-amino]-piperidine-1-carboxylic acid benzyl ester (CAS 1353999-49-1)
- 4-Amino-5-(difluoromethyl)-3-fluoropicolinonitrile (CAS 1806811-19-7)
- Ecamsule Triethanolamine (CAS 92841-53-7)
- (2,5-Dichlorophenyl)(pyrrolidin-1-yl)methanone (CAS 328283-71-2)
- 3-(5-Methylisoxazol-3-yl)benzonitrile (CAS 1231244-50-0)
- Prolactin-Releasing Peptide (1-31) (rat) (CAS 215510-06-8)
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