2,2''-Dimethoxy-1,1':4',1''-terphenyl CAS 70017-24-2
| CAS No. | 70017-24-2 |
| Molecular Formula | C20H18O2 |
| Molecular Weight | 290.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H18O2, 2,2''-Dimethoxy-1,1':4',1''-terphenyl 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 290.36 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).
CATO supplies 2,2''-Dimethoxy-1,1':4',1''-terphenyl (CAS 70017-24-2), a certified reference material (molecular formula C20H18O2, MW 290.36 g/mol) for analytical method development and quality control.
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), 2,2''-Dimethoxy-1,1':4',1''-terphenyl 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 | C20H18O2 |
| Molecular Weight | 290.36 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Dimethoxy Standards
- 4,4''-Dimethoxy-1,1':4',1''-terphenyl (CAS 13021-19-7)
- 6,7-Dimethoxy-1'-methyl-1H-spiro[isoquinoline-3,4'-piperidin]-4(2H)-one (CAS 55423-58-0)
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- 7,8-Dimethoxy-1,4-dimethyl-5H-benzo[d][1,2]diazepine-5-carbohydrazide (CAS 159324-61-5)
- 5,8-Dimethoxy-2-phenylquinoline-3-carbonitrile (CAS 882748-20-1)
- Ethyl 5,8-dimethoxy-4-(methylamino)quinoline-3-carboxylate (CAS 1215623-47-4)
- 2,6-Dimethoxy-N-(3-propylisoxazol-5-yl)benzamide (CAS 82558-93-8)
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Recommended Standards
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- 2-(Furan-2-yl)-1,3-diphenylimidazolidine (CAS 94378-00-4)
- 2,4,5,6,7-Pentachloro-1h-benzo[d]imidazole (CAS 7682-34-0)
- Benzyl ((1-(2-chloroacetyl)pyrrolidin-2-yl)methyl)(cyclopropyl)carbamate (CAS 1353954-09-2)
- 5-(Benzyloxy)-1H-indole-2-carbohydrazide (CAS 20948-66-7)
- 6-Tosylpyridazin-3(2H)-one (CAS 99985-09-8)
- 5-Hydroxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1029439-74-4)
- Brivaracetam impurity 112 (CAS 10414-69-4)
- Methyl 3-phenyl-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazole-5-carboxylate (CAS 116340-27-3)
- 2-({[(4-chlorophenyl)methyl]carbamoyl}amino)acetic acid (CAS 1016730-04-3)
- 1-(4-Cyclopropylphenyl)-N-methylmethanamine (CAS 1215989-72-2)
- Thalidomide-5'-C7-OH (CAS 2493430-96-7)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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