(2Z)-2-{[(4-methoxyphenyl)amino]methylidene}-1H,2H-naphtho[2,1-b]furan-1-one CAS 338415-30-8
| CAS No. | 338415-30-8 |
| Molecular Formula | C20H15NO3 |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2Z)-2-{[(4-methoxyphenyl)amino]methylidene}-1H,2H-naphtho[2,1-b]furan-1-one (CAS 338415-30-8), molecular formula C20H15NO3 and molecular weight 317.34 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, (2Z)-2-{[(4-methoxyphenyl)amino]methylidene}-1H,2H-naphtho[2,1-b]furan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 317.34 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), (2Z)-2-{[(4-methoxyphenyl)amino]methylidene}-1H,2H-naphtho[2,1-b]furan-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.
Physical & Chemical Properties
| Molecular Formula | C20H15NO3 |
| Molecular Weight | 317.34 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Z Standards
- 6-(4-Methoxyphenyl)-5-phenylfuro[2,3-d]pyrimidin-4-amine (CAS 14774-66-4)
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- 3-(((2-Methoxyphenyl)amino)methylene)-1,5-dioxaspiro[5.5]undecane-2,4-dione (CAS 384357-00-0)
- 3-(((3-Methoxyphenyl)amino)methylene)-1,5-dioxaspiro[5.5]undecane-2,4-dione (CAS 369394-57-0)
- 4-(4-Methoxyphenyl)-6-(methylamino)-2-(pyridin-2-yl)pyrimidine-5-carbonitrile (CAS 320418-93-7)
- 5,6-Bis(4-methoxyphenyl)pyridazine-3-carbonitrile (CAS 375793-04-7)
- 5-Acetyl-3-(4-methoxyphenyl)-1-phenyl-1H-pyrazole-4-carbonitrile (CAS 649746-09-8)
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Recommended Standards
- (R)-5-Amino-4-((S)-2-((tert-butoxycarbonyl)amino)propanamido)-5-oxopentanoic acid (CAS 18814-50-1)
- (3-(4-Fluorophenyl)-4-(2-(methylthio)pyrimidin-4-yl)isoxazol-5-yl)methanol (CAS 673451-64-4)
- Methyl 3-[(5-fluoro-1,3-dimethyl-1H-pyrazol-4-yl)sulfonyl]-3-azabicyclo[3.1.0]hexane-6-carboxylate (CAS 1855899-72-7)
- (8-Benzyl-2,4-dioxo-1,3,8-triaza-spiro[4.5]dec-3-yl)-acetic acid (CAS 732926-20-4)
- 2-Chloro-6-iodo-5H-pyrrolo[3,2-d]pyrimidine (CAS 1934648-78-8)
- 3-[(4-Isopropyl-3-methylphenoxy)methyl]-pyrrolidine hydrochloride (CAS 1220032-36-9)
- 1,3-bis(phenylimino)thiourea (CAS 23216-42-4)
- Nemonoxacin Impurity 43 (CAS CATO-C4X-312843)
- 3-O-Benzyl Estrone Monoethylene Ketal (CAS 162784-26-1)
- N-[4-(5-Acetylpyridin-2-yl)phenyl]-acetamide (CAS 2088941-84-6)
- 5-Amino-1-(3-nitropyridin-2-yl)-1H-pyrazole-4-carbonitrile (CAS 1177093-04-7)
- 4-(4-Methoxyphenyl)-1H-imidazole (CAS 35512-31-3)
- 4,5-Difluoro-1-benzofuran-2-carboxylic acid (CAS 1521284-52-5)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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