(E)-5-(((4-fluorobenzyl)oxy)imino)-4-(4-methoxyphenyl)-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile CAS 477854-14-1
| CAS No. | 477854-14-1 |
| Molecular Formula | C28H24FN3O3 |
| Molecular Weight | 469.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-5-(((4-fluorobenzyl)oxy)imino)-4-(4-methoxyphenyl)-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile 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.
(E)-5-(((4-fluorobenzyl)oxy)imino)-4-(4-methoxyphenyl)-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 477854-14-1), molecular formula C28H24FN3O3 and molecular weight 469.51 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, (E)-5-(((4-fluorobenzyl)oxy)imino)-4-(4-methoxyphenyl)-2-(1H-pyrrol-1-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 469.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C28H24FN3O3 |
| Molecular Weight | 469.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related E Standards
- Benzyl [1-[4-[[(4-Fluorobenzyl)amino]carbonyl]-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl]-1-methylethyl]carbamate-d3 (CAS 1189916-86-6)
- 2-((4-Fluorobenzyl)thio)-3-((2,4,6-trichlorophenyl)diazenyl)-1H-indole (CAS 478042-14-7)
- Ethyl 2-(2-((3-fluorobenzyl)sulfonyl)-4,5-diphenyl-1H-imidazol-1-yl)acetate (CAS 338957-08-7)
- Ethyl 2-(2-((4-fluorobenzyl)sulfonyl)-4,5-diphenyl-1H-imidazol-1-yl)acetate (CAS 339277-80-4)
- 2-((2-Fluorobenzyl)thio)-6,7-dimethoxy-3-octylquinazolin-4(3H)-imine (CAS 860786-54-5)
- (E)-2-(4-((4-fluorobenzyl)oxy)-3-methoxyphenyl)-N-(3-methoxybenzyl)ethene-1-sulfonamide (CAS 339104-63-1)
- 4-(5-((4-Fluorobenzyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)-2-(3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazole (CAS 955976-78-0)
- 2-((2-Fluorobenzyl)thio)-3-(4-methoxyphenyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477331-62-7)
Recommended Standards
- 2-(2-(2-(2-(4-Nitrophenoxy)ethoxy)ethoxy)ethoxy)ethyl 4-methylbenzenesulfonate (CAS 168784-48-3)
- 1-(9H-Carbazol-2-yl)-2-(triphenylphosphoranylidene)ethanone (CAS 88093-00-9)
- H-Asp-Ala-His-Lys-OH (CAS 111543-77-2)
- Roxadustat Impurity 45 (CAS CATO-C4X-221345)
- 6-Amino-3,5-dimethyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 98432-28-1)
- 4-Amino-1-(3-pyridyl)piperidine (CAS 933760-08-8)
- 2-(Methylthio)-7-(trifluoromethyl)pyrido[2,3-d]pyrimidine (CAS 2529569-27-3)
- 6-Amino-5-fluoronicotinic acid (CAS 1523095-31-9)
- [1-(difluoromethyl)-3,5-dimethyl-1H-pyrazol-4-yl]methanol (CAS 1341983-71-8)
- 2-(2-Ethoxyethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1361022-71-0)
- 4-(4-Chlorophenyl)-4-methylpyrrolidin-2-one (CAS 1494289-57-4)
- (6-Bromo-2,3-dichlorophenyl)boronic acid (CAS 1451392-86-1)
- 3-((tert-Butoxycarbonyl)amino)-3-phenylpropanoic acid (CAS 14676-01-8)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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