2,6-Dimethoxy-3,7-bis(methylseleno)-naphthalene CAS 136559-37-0
| CAS No. | 136559-37-0 |
| Molecular Formula | C14H16O2Se2 |
| Molecular Weight | 374.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,6-Dimethoxy-3,7-bis(methylseleno)-naphthalene 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.
2,6-Dimethoxy-3,7-bis(methylseleno)-naphthalene (CAS 136559-37-0) is a high-purity analytical reference standard with the molecular formula C14H16O2Se2 and a molecular weight of 374.20 g/mol.
Based on its molecular formula C14H16O2Se2, 2,6-Dimethoxy-3,7-bis(methylseleno)-naphthalene contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 374.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C14H16O2Se2 |
| Molecular Weight | 374.20 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Dimethoxy Standards
- 2,7-Dimethoxy-3,6-bis(methylseleno)-naphthalene (CAS 105405-00-3)
- 2,5-Dimethoxy-N-[(3-phenyl-1,2-oxazol-5-yl)methyl]benzene-1-sulfonamide (CAS 339016-95-4)
- Methyl 2-((1-(1,4-dimethoxy-3-methylnaphthalen-2-yl)-3-methylbut-3-en-2-yl)thio)acetate (CAS 99347-76-9)
- 1-Benzyl-4-(2,4-dimethoxy-3-methylbenzenesulfinyl)piperazine (CAS 338981-87-6)
- 2,3-Dimethoxy-N-((1-(thiophen-2-ylmethyl)piperidin-4-yl)methyl)benzamide (CAS 954022-40-3)
- N1-(5,6-Dimethoxy-4-methylquinolin-8-yl)-N6,N6-diethylhexane-1,6-diamine dihydrochloride (CAS 68219-28-3)
- 7-(4,5-Dimethoxy-2-methylnaphthalen-1-yl)-1,3-dimethylisoquinolin-8-ol (CAS 68727-50-4)
- Benzyl 4,4-dimethoxy-3-((methylsulfonyl)oxy)piperidine-1-carboxylate (CAS 1956306-17-4)
Recommended Standards
- 2-(2,4-Bis(trifluoromethyl)imidazo[1,2-a]pyrido[3,2-e]pyrazin-8-yl)-1,3,4-oxadiazole (CAS 1431424-54-2)
- Roxadustat Impurity 139 (CAS CATO-C4X-2213139)
- 2-(2,4-Bis(trifluoromethyl)imidazo[1,2-a]pyrido[3,2-e]pyrimidin-8-yl)-1,3,4-oxadiazole (CAS 1431424-56-4)
- N-(4-bromophenyl)-6-methoxy-2-oxo-2H-chromene-3-carboxamide (CAS 314272-99-6)
- N-(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)cyclopropanecarboxamide (CAS 930043-45-1)
- 4-Fluoro-3-(piperidin-3-yl)-1H-indole (CAS 1266795-93-0)
- 2-(2-((((Benzyloxy)carbonyl)(isopropyl)amino)methyl)piperidin-1-yl)acetic acid (CAS 1353962-55-6)
- Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-1-carboxylate (CAS 1256360-06-1)
- Teduglutide Di-Gly4 Impurity (CAS CATO-C4X-23645)
- 1-Pyridin-3-yl-piperazine (CAS 67980-77-2)
- Ethyl 2-(pyrrolidin-2-yl)acetate (CAS 5027-77-0)
- 1-(4-Aminoindolin-1-yl)ethanone (CAS 17274-64-5)
- Olprinone Impurity 23 (CAS CATO-C4X-204323)
- Serpent Peptide (CAS 823202-99-9)
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