1,1'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))bis(naphthalen-2-ol) CAS 17635-31-3
| CAS No. | 17635-31-3 |
| Molecular Formula | C28H20N2O2 |
| Molecular Weight | 416.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,1'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))bis(naphthalen-2-ol) (CAS 17635-31-3) is a high-purity analytical reference standard with the molecular formula C28H20N2O2 and a molecular weight of 416.47 g/mol.
Structurally, 1,1'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))bis(naphthalen-2-ol) (C28H20N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 416.47 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1,1'-((1,4-Phenylenebis(azanylylidene))bis(methanylylidene))bis(naphthalen-2-ol) 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 | C28H20N2O2 |
| Molecular Weight | 416.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Phenylenebis Standards
- 1,1''-(1,4-Phenylenebis(methylene))bis(([4,4'-bipyridin]-1-ium)) (CAS 108861-19-4)
- 5,5'-((1,2-Phenylenebis(azanediyl))bis(methaneylylidene))bis(2,2-dimethyl-1,3-dioxane-4,6-dione) (CAS 503863-91-0)
- ((1,4-Phenylenebis(dimethylsilanediyl))bis(2,1-phenylene))dimethanol (CAS 1266252-11-2)
- 1,1'-(1,3-phenylenebis(methylene))bis(3-phenylthiourea) (CAS 37042-63-0)
- 4,4'-((1,2-Phenylenebis(methylene))bis(oxy))bis(3-methoxybenzaldehyde) (CAS 128353-40-2)
- 2,2'-((1,4-Phenylenebis(methylene))bis(oxy))bis(isoindoline-1,3-dione) (CAS 30777-94-7)
- 2,2'-((1,2-Phenylenebis(azanediyl))bis(carbonyl))dibenzoic acid (CAS 66532-88-5)
- 2,2'-((1,3-Phenylenebis(azanediyl))bis(carbonyl))dibenzoic acid (CAS 852636-98-7)
Recommended Standards
- (3-(Di(pyridin-2-yl)methylene)cyclopenta-1,4-dien-1-yl)di(pyridin-2-yl)methanol (CAS 1740-22-3)
- tert-Butyl 4-(3-(2-ethoxy-2-oxoethyl)-4-oxo-3,4-dihydroquinazolin-6-yl)piperazine-1-carboxylate (CAS 183622-37-9)
- 1-(3-(tert-Butyl)-5-(6-hydroxynaphthalen-2-yl)-4-methoxyphenyl)pyrimidine-2,4(1H,3H)-dione (CAS 1355646-93-3)
- [1,1'-Biphenyl]-4-yl 4-(4-(acryloyloxy)butoxy)benzoate (CAS 245760-39-8)
- 1-Acryloyl-1H-pyrrole-2-carbaldehyde (CAS 398138-51-7)
- 6-(2,5-Difluorophenyl)picolinic acid (CAS 887983-00-8)
- 1-(2-Chlorophenyl)-3-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)urea (CAS 1049225-96-8)
- Methyl 2-amino-2-(2-chloro-4-methoxyphenyl)acetate (CAS 1888616-97-4)
- 1-(1-(2-Chlorophenyl)-1-phenylbut-3-yn-1-yl)-1H-imidazole (CAS 88557-61-3)
- 1-(4-Methoxy-1,3-benzothiazol-2-yl)azetidine-3-carboxylic acid (CAS 1283108-96-2)
- 5-(2-hydroxyethyl)-6-methyl-2-(pyridin-2-yl)pyrimidin-4-ol (CAS 874765-37-4)
- 3-[3-(1,3-dioxolan-2-yl)-2-thienyl]-1-[3-(trifluoromethyl)phenyl]prop-2-en-1-one (CAS 256353-55-6)
- N-benzyl-1-(trifluoromethyl)cyclohexan-1-amine (CAS 1100246-29-4)
- Des-Ala21-Tirzepatide (CAS CATO-CPTD788952)
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