2-Ethyl-2-(hydroxymethyl)propane-1,3-diyl distearate CAS 66753-01-3
| CAS No. | 66753-01-3 |
| Molecular Formula | C42H82O5 |
| Molecular Weight | 667.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethyl-2-(hydroxymethyl)propane-1,3-diyl distearate (CAS 66753-01-3), molecular formula C42H82O5 and molecular weight 667.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C42H82O5, 2-Ethyl-2-(hydroxymethyl)propane-1,3-diyl distearate contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 667.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C42H82O5 |
| Molecular Weight | 667.10 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.) | 1976 |
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Recommended Standards
- 19:0 Cholesterol ester 19:0 Cholesteryl ester 25605-90-7 CE 19:0 CE(19:0) CHEBI:133745 cholest-5-en-3beta-yl nonadecanoate cholesteryl nonadecanoate nonadecanoylcholesterol (CAS 25605-90-7)
- 2-(Hexanoyloxy)propane-1,3-diyl dipalmitate (CAS 56588-23-9)
- 5,5'''-Didodecyl-2,2':5',2'':5'',2'''-quaterthiophene (CAS 153561-79-6)
- 2-((Dodecanoyloxy)methyl)-2-methylpropane-1,3-diyl didodecanoate (CAS 67873-95-4)
- 2-Chloro-4-sulfanylbenzoic acid (CAS 116209-31-5)
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- 5-Nitro-2-(pyrimidin-2-ylthio)benzaldehyde (CAS 591747-15-8)
- 4,6-Dimethoxy-5-methyl-2,3-dihydro-1H-inden-1-one (CAS 57122-06-2)
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- 4-(1-Aminoethyl)benzene-1-sulfonamide (CAS 49783-81-5)
- Ketoprofen Impurity 46 (CAS 713-36-0)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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