2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one CAS 71977-19-0
| CAS No. | 71977-19-0 |
| Molecular Formula | C26H14ClNO2 |
| Molecular Weight | 407.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 407.85 g/mol gives 2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one (CAS 71977-19-0), a certified reference material (molecular formula C26H14ClNO2, MW 407.85 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H14ClNO2, 2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 2-(2-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C26H14ClNO2 |
| Molecular Weight | 407.85 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-1-((3,5-dimethylbenzyl)oxy)-6-nitro-1H-benzo[d]imidazole (CAS 282523-32-4)
- 2-(4-Chlorophenyl)-4-(pyren-1-ylmethylene)oxazol-5(4H)-one (CAS 71977-20-3)
- 5-((4-Chlorophenyl)sulfonyl)-4-(4-fluorophenoxy)-N,N-dimethylpyrimidin-2-amine (CAS 478247-37-9)
- 4-[(E)-2-(2-Chlorophenyl)ethenyl]-8-(trifluoromethoxy)-2H,3H-thieno[3,2-c]quinoline (CAS 866133-25-7)
- N-{4-[(2-chlorophenyl)sulfanyl]phenyl}-3-(trifluoromethyl)benzamide (CAS 339105-54-3)
- 1-(4-Chlorophenyl)-N-(2-fluorobenzyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide (CAS 1251672-01-1)
- (E)-{[2-(4-chlorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]methylidene}amino 4-fluorobenzoate (CAS 478257-20-4)
- 2-(4-(4-Chlorophenyl)-1-oxophthalazin-2(1H)-yl)-N-(4-fluorophenyl)acetamide (CAS 684234-60-4)
Recommended Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-chloro-3-methylbenzoic acid (CAS 2243507-71-1)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-chloro-3-methylbenzoic acid (CAS 2243516-16-5)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-chlorophenyl)acetic acid (CAS 339208-91-2)
- 2-Chloro-4-(dibenzo[b,d]furan-3-yl)-6-(naphthalen-2-yl)-1,3,5-triazine (CAS 2226747-69-7)
- n-(3,5-Dimethylphenyl)acetamide (CAS 2050-45-5)
- Methyl<I>O</I>-methyl pohenate (CAS 1231-74-9)
- 1-(2-Nitrophenyl)cyclobutanecarboxylic Acid (CAS 422280-54-4)
- Maleic anhydride-phthalic anhydride-diethylene glycol polymer (CAS 26123-45-5)
- 5-(Tert-butyl)-4,5,6,7-tetrahydrobenzo[d]oxazol-2-amine (CAS 1351387-05-7)
- 4-Cyclopropoxy-5-methylnicotinamide (CAS 1243355-23-8)
- Lutetium(III) triflate (CAS 126857-69-0)
- (E)-2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-4-(2-(thiophen-2-yl)vinyl)pyrimidine (CAS 339278-44-3)
- N,N'-(((6,12-Dioxo-6,12-dihydronaphtho[7,8,1,2,3-nopqr]tetraphene-4,10-diyl)bis(azanediyl))bis(9,10-dioxo-9,10-dihydroanthracene-4,1-diyl))dibenzamide (CAS 6049-19-0)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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