((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) distearate CAS 142-20-1
| CAS No. | 142-20-1 |
| Molecular Formula | C44H86O7 |
| Molecular Weight | 727.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 727.15 g/mol gives ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) distearate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) distearate (CAS 142-20-1), a certified reference material (molecular formula C44H86O7, MW 727.15 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) distearate is typically white to off-white amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 727.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 | C44H86O7 |
| Molecular Weight | 727.15 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Related Oxybis Standards
- 5',5""-Oxybis(2'-amino-[1,1':3',1"-terphenyl]-4,4"-dicarboxylic acid) (CAS 2345749-57-5)
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- 9,9'-(Oxybis([1,1'-biphenyl]-4',3-diyl))bis(9H-carbazole) (CAS 1470161-29-5)
- 4,4'-{Oxybis[benzene-4,1-diyl(hexafluoropropane-2,2-diyl)]}dianiline (CAS 131662-80-1)
- 5',5''''-Oxybis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid)) (CAS 2345749-58-6)
- 1,1'-Oxybis[4-(tridecafluorohexyl)benzene (CAS 151707-03-8)
- 3,3'-Oxybis(3-cyclohexyl-1,1,5,5-tetramethyl-1,5-divinyltrisiloxane) (CAS 302912-37-4)
- (Z)-Oxybis(ethane-2,1-diyl) dioleate (CAS 21209-30-3)
Recommended Standards
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- (4-Benzhydrylpiperazin-1-yl)(2,6-difluorophenyl)methanone (CAS 496054-70-7)
- 4-(4-Methoxybenzyl)-3-methoxybenzaldehyde (CAS 129047-38-7)
- 5-Isopropyl-2-methyl-3-nitro aniline (CAS 860404-91-7)
- 1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (CAS 566939-58-0)
- Etoricoxib Impurity 93 (CAS CATO-C4X-108093)
- 4-(1-Methyl-1H-pyrazol-4-yl)-1H-pyrazol-3-amine (CAS 930286-91-2)
- (Z)-(Pentan-3-yl N-(3,5-dichlorophenyl)-1-methyl-1H-imidazole-5-carboximidate) (CAS 866153-15-3)
- n'-(2-Chloroacetyl)benzohydrazide (CAS 50677-24-2)
- (1R,4S,5S)-6,6-difluoro-4-(hydroxymethyl)-3-azabicyclo[3.1.0]Hexan-2-one (CAS 2306248-82-6)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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