Diethyl Dibromomalonate CAS 631-22-1
| CAS No. | 631-22-1 |
| Molecular Formula | C7H10Br2O4 |
| Molecular Weight | 317.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 317.96 g/mol gives Diethyl Dibromomalonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl Dibromomalonate (CAS 631-22-1) is a high-purity analytical reference standard with the molecular formula C7H10Br2O4 and a molecular weight of 317.96 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, Diethyl Dibromomalonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 317.96 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 Diethyl Dibromomalonate 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 | C7H10Br2O4 |
| Molecular Weight | 317.96 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Diethyl Standards
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- 3,4-Diethyl 2-(2-chloroacetamido)-5-methylfuran-3,4-dicarboxylate (CAS 851208-03-2)
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Recommended Standards
- 6,8-Dibromo-2-methylquinazolin-4(3H)-one (CAS 82326-77-0)
- Dimethyl 2-bromo-2-(bromomethyl)succinate (CAS 99523-16-7)
- 6,8-Dibromo-2H-chromene-3-carbaldehyde (CAS 885271-27-2)
- Methyl 3,5-dibromo-4-fluorothiophene-2-carboxylate (CAS 2839564-13-3)
- 7-Fluoro-2-[(4-fluoroanilino)methylene]-3-phenyl-1-indanone (CAS 339115-72-9)
- 3-((1-Methyl-1H-tetrazol-5-yl)methoxy)benzaldehyde (CAS 1373247-84-7)
- Thieno[2,3-c]pyridine (CAS 272-12-8)
- 1-Methyl-2-phenylquinazolin-4(1H)-one (CAS 22686-80-2)
- n-Phenethyl-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 304888-44-6)
- 5-BROMO-3-PHENYL-1H-PYRAZOLO[3,4-C]PYRIDAZINE (CAS 1424017-38-8)
- 5-Isobutylpyridin-3-amine (CAS 1434127-16-8)
- 3-(Hydroxymethyl)-4-methoxybenzaldehyde (CAS 76646-42-9)
- 3-(1-methyl-1H-pyrrol-3-yl)prop-2-enoic acid (CAS 1369471-70-4)
- C-telopeptide (CAS 162929-64-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com