Naphthalene-1,5-diylbis(phenylmethanone) CAS 83-80-7
| CAS No. | 83-80-7 |
| Molecular Formula | C24H16O2 |
| Molecular Weight | 336.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Naphthalene-1,5-diylbis(phenylmethanone) is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Naphthalene-1,5-diylbis(phenylmethanone) (CAS 83-80-7), molecular formula C24H16O2 and molecular weight 336.38 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H16O2, Naphthalene-1,5-diylbis(phenylmethanone) contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H16O2 |
| Molecular Weight | 336.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Naphthalene Standards
- 2,2'-(((Naphthalene-1,5-diylbis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) (CAS 136133-14-7)
- 4,4'-(Naphthalene-1,4-diyl)dibenzaldehyde (CAS 2116542-17-5)
- 4-(Naphthalene-1-carbonyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326808-27-8)
- (Naphthalene-1,4-diylbis(3,1-phenylene))dimethanol (CAS 1349708-87-7)
- 5,5'-(Naphthalene-2,6-diyl)bis(benzene-1,3-diamine) (CAS 1569868-40-1)
- 2-[4-(naphthalene-2-sulfonamido)phenyl]acetic acid (CAS 342373-21-1)
- 4-(Naphthalene-2-sulfonamidomethyl)benzoic acid (CAS 208176-29-8)
- 4,4'-(Naphthalene-2,6-diylbis(oxy))dianiline (CAS 122220-20-6)
Recommended Standards
- N4-(3-Chlorophenyl)-6-methylpyrimidine-2,4-diamine (CAS 7781-33-1)
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- N1-(2-(Dimethylamino)-2-(4-fluorophenyl)ethyl)-N2-(thiazol-2-yl)oxalamide (CAS 941871-17-6)
- tert-Butyl (3R,4R)-3-hydroxy-4-(phenylmethoxycarbonylamino)pyrrolidine-1-carboxylate (CAS 952443-93-5)
- 2-(2-Oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl)propanoic acid (CAS 115706-39-3)
- (R)-5-(2-Aminoethyl)pyrrolidin-2-one hydrochloride (CAS 2230901-13-8)
- 4-Bromo-5-chloro-2-methylbenzenethiol (CAS 1208076-88-3)
- (2S)-2-(4-(2-(2,4-Diamino-6,7-dihydro-5H-cyclopenta[d]pyrimidin-5-yl)ethyl)benzamido)pentanedioic acid (CAS 149325-93-9)
- 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 439095-87-1)
- 1-phenyl-2-(4H-1,2,4-triazol-3-yl)ethan-1-amine hydrochloride (CAS 1607291-00-8)
- 2-(2,6-dioxo-3-piperidyl)-5-ethynyl-isoindoline-1,3-dione (CAS 2154356-63-3)
- 3-Methylphosphinicopropionic Acid Disodium Salt (CAS 66992-42-5)
- 2-Methyl-4-(piperazin-1-yl)-6-(1H-pyrazol-1-yl)pyrimidine (CAS 1706447-42-8)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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