2,5,8,11,14,17,20-Heptaoxadocosan-22-ol O-Methyl-heptaethylene glycol Methoxyheptaethylene glycol Monomethoxy-PEG (n=7) 4437-01-8 CAS 4437-01-8
| CAS No. | 4437-01-8 |
| Molecular Formula | C15H32O8 |
| Molecular Weight | 340.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,5,8,11,14,17,20-Heptaoxadocosan-22-ol O-Methyl-heptaethylene glycol Methoxyheptaethylene glycol Monomethoxy-PEG (n=7) 4437-01-8 (C15H32O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 340.41 g/mol, it falls into the moderately-high-molecular-weight range.
CATO supplies 2,5,8,11,14,17,20-Heptaoxadocosan-22-ol O-Methyl-heptaethylene glycol Methoxyheptaethylene glycol Monomethoxy-PEG (n=7) 4437-01-8 (CAS 4437-01-8), a certified reference material (molecular formula C15H32O8, MW 340.41 g/mol) for analytical method development and quality control.
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 | C15H32O8 |
| Molecular Weight | 340.41 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) | 0.0 |
| CAS Registry Year (est.) | 1958 |
Recommended Standards
- 34827-26-4 5,5'-Methylenebis[6-propyl-1,3-benzodioxole Bis(2-propyl-4,5-methylenedioxyphenyl)methane Bis[4,5-(methylenedioxy)-2-propylphenyl]-methane (CAS 34827-26-4)
- Perindopril EP Impurity B (CAS 95153-31-4)
- Sulindac EP Impurity C (CAS 32004-67-4)
- Perindopril Impurity 99 (CAS 145513-63-9)
- 7-Chloro-2-oxo-2,3,4,5-tetrahydro-1h-1-benzazepine-8-sulfonyl chloride (CAS 1094543-97-1)
- 4-(4-Bromophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 891190-54-8)
- 7-Ethyl-5-methyl-6,7,8,9-tetrahydro-5H-pyrazino[2,3-d]azepin-2-amine (CAS 730917-56-3)
- Carbamazepine Impurity N9 (CAS 16968-19-7)
- N,N-Dimethyl-4-phenylpiperidin-4-amine dihydrochloride (CAS 3543-19-9)
- 1-Methyl-2,3-dihydro-1h-indene-2-carboxylic acid, mixture of diastereomers (CAS 708-37-2)
- tert-Butyl 3-(2h-1,3-benzodioxol-5-yl)piperazine-1-carboxylate (CAS 886769-95-5)
- 1-(4-((2,4-Dimethylpiperazin-1-yl)methyl)piperidin-1-yl)-2-methoxyethan-1-one (CAS 1421461-53-1)
- 1-[3,5-Bis(trifluoromethyl)phenyl]cyclopropanecarbonitrile (CAS 1260786-06-8)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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