m-PEG9-Br CAS 125562-30-3
| CAS No. | 125562-30-3 |
| Molecular Formula | C19H39BrO9 |
| Molecular Weight | 491.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 491.41 g/mol gives m-PEG9-Br distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies m-PEG9-Br (CAS 125562-30-3), a certified reference material (molecular formula C19H39BrO9, MW 491.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H39BrO9, m-PEG9-Br contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 491.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures m-PEG9-Br under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H39BrO9 |
| Molecular Weight | 491.41 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Br-containing |
Recommended Standards
- 4-Aminocarminic Acid (CAS 407626-19-1)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 1260590-64-4)
- 4-(((2-(4-Bromophenyl)pyrazolo[1,5-a]pyrazin-4-yl)thio)methyl)-5-methyl-2-(m-tolyl)oxazole (CAS 1207026-49-0)
- (S)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 1260607-72-4)
- 6-Amino-2-methylpyridine-3-sulfonic acid (CAS 1399663-63-8)
- 4-(((4-Bromophenyl)thio)methyl)-5-chloro-1-methyl-3-((phenylthio)methyl)-1H-pyrazole (CAS 956181-42-3)
- 4-Hydroxy-7-(p-tolyloxy)isobenzofuran-1,3-dione (CAS 89450-87-3)
- 1-(4-Chloro-2-(trifluoromethyl)phenyl)-2-methylpropan-1-ol (CAS 1823580-13-7)
- 5-(Trifluoromethyl)-1,3-dihydro-2H-pyrrolo[3,2-b]pyridin-2-one (CAS 178393-13-0)
- 2-Methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid (CAS 103041-03-8)
- Fmoc-a-methyl-DL-glutamic acid (CAS 1219372-49-2)
- 2-Bromo-4-chloro-6-fluorophenacyl bromide (CAS 1806971-22-1)
- (R)-(6,6'-Dimethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(dicyclopentylphosphine) (CAS 150971-53-2)
- Anxiety Peptide (CAS 95237-86-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com