2-(2-Ethoxynaphthalen-1-yl)-1H-indene-1,3(2H)-dione CAS 27533-85-3
| CAS No. | 27533-85-3 |
| Molecular Formula | C21H16O3 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(2-Ethoxynaphthalen-1-yl)-1H-indene-1,3(2H)-dione (CAS 27533-85-3), a certified reference material (molecular formula C21H16O3, MW 316.35 g/mol) for analytical method development and quality control.
Structurally, 2-(2-Ethoxynaphthalen-1-yl)-1H-indene-1,3(2H)-dione (C21H16O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 316.35 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 2-(2-Ethoxynaphthalen-1-yl)-1H-indene-1,3(2H)-dione 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 | C21H16O3 |
| Molecular Weight | 316.35 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Ethoxynaphthalen Standards
- 1-((6-Ethoxynaphthalen-2-yl)sulfonyl)-4-methylpiperazine (CAS 364339-79-7)
- 2-(2-Ethoxynaphthalen-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246703-71-7)
- 5-(1-Ethoxynaphthalen-2-yl)-1,3,4-thiadiazol-2-amine (CAS 881040-00-2)
- 1-(4-((4-Ethoxynaphthalen-1-yl)sulfonyl)piperazin-1-yl)ethan-1-one (CAS 941008-51-1)
- 1-(2-Ethoxynaphthalen-1-yl)-2,2,2-trifluoroethan-1-one (CAS 1443305-04-1)
- (Z)-3-(5-((2-Ethoxynaphthalen-1-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 728924-73-0)
- 1-(2-Ethoxynaphthalen-1-yl)propan-1-one (CAS 1216019-09-8)
- (2-Ethoxynaphthalen-1-yl)(methyl)sulfane (CAS 1443309-27-0)
Recommended Standards
- 2-(2-(4-Isopropoxybenzyl)-4-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)acetic acid (CAS 64677-97-0)
- 2-(2-Hydroxyphenyl)-3-phenyl-2,3-dihydroquinazolin-4(1H)-one (CAS 404930-75-2)
- 2-(1H-Indol-3-yl)ethyl quinoline-4-carboxylate (CAS 89391-13-9)
- 2-(3,5-Dimethoxyphenyl)propan-2-yl phenyl carbonate (CAS 39507-97-6)
- Pirimiphos-Methyl-d6 (CAS 1793055-06-7)
- (S)-2-((tert-butoxycarbonyl)amino)-3-(5-methoxy-1H-indol-3-yl)propanoic acid (CAS 114903-30-9)
- 1,6-Di-O-acetyl-2,3,4-tri-O-benzyl-α-D-mannopyranose (CAS 65556-30-1)
- 1-(1-Adamantyl)ethanol (CAS 26750-08-3)
- tert-Butyl 4-(2-amino-1-hydroxyethyl)piperidine-1-carboxylate (CAS 301221-57-8)
- (s)-1-(Pyrrolidin-3-yl)-1,3-dihydro-2h-benzo[d]imidazol-2-one hydrochloride (CAS 2680616-15-1)
- 2,4-Dichloro-5-(chloromethyl)pyridine (CAS 73998-96-6)
- 2,2-Dichloro-N-(4-(6-methylbenzo[d]thiazol-2-yl)phenyl)acetamide (CAS 349616-50-8)
- N-(2-methylbenzyl)piperidin-3-amine hydrochloride (CAS 1289384-74-2)
- D-[Phe]6-Semaglutide (CAS CATO-CPTD788633)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com