(3Z)-3-{[(4-phenoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one CAS 338751-66-9
| CAS No. | 338751-66-9 |
| Molecular Formula | C21H15NO3 |
| Molecular Weight | 329.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3Z)-3-{[(4-phenoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one 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.
(3Z)-3-{[(4-phenoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one (CAS 338751-66-9) is a high-purity analytical reference standard with the molecular formula C21H15NO3 and a molecular weight of 329.35 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, (3Z)-3-{[(4-phenoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 329.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C21H15NO3 |
| Molecular Weight | 329.35 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Z Standards
- (E)-4-((4-phenoxyphenyl)amino)-3-phenylbut-3-en-2-one (CAS 1164524-97-3)
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Recommended Standards
- (3-Bromophenoxy)triisopropylsilane (CAS 571202-87-4)
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- (3-(3-Bromophenyl)propoxy)(tert-butyl)dimethylsilane (CAS 65537-55-5)
- (4E)-4-[(2H-1,3-Benzodioxol-5-yl)methylidene]-2-(2,6-dimethylmorpholin-4-yl)-4,5-dihydro-1H-imidazol-5-one (CAS 866142-91-8)
- 1-(4-Imidazolyl)-N,N-dimethylmethanamine (CAS 104926-40-1)
- 4-(6-Chloro-5-nitro-4-(trifluoromethyl)pyridin-2-yl)morpholine (CAS 1053659-56-5)
- 1-(4-chlorophenyl)-3-methyl-1H-pyrazol-5-amine hydrochloride (CAS 1177349-55-1)
- Landiolol Impurity 25 (CAS CATO-C4X-262125)
- 2-(phenylmethoxy)-Benzenecarboximidamide,hydrochloride (1:1) (CAS 1235441-58-3)
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- 3-(6-Oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)propanoic acid (CAS 148191-56-4)
- tert-Butyl 3-(hydroxymethyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 2862774-74-9)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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