2,3-Dibromo-1,1,4,4-tetramethoxybutane CAS 25537-21-7
| CAS No. | 25537-21-7 |
| Molecular Formula | C8H16Br2O4 |
| Molecular Weight | 336.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,3-Dibromo-1,1,4,4-tetramethoxybutane.
2,3-Dibromo-1,1,4,4-tetramethoxybutane (CAS 25537-21-7), molecular formula C8H16Br2O4 and molecular weight 336.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-Dibromo-1,1,4,4-tetramethoxybutane (C8H16Br2O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. 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 336.02 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3-Dibromo-1,1,4,4-tetramethoxybutane 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 | C8H16Br2O4 |
| Molecular Weight | 336.02 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 3,5-Dibromo-4-butoxybenzaldehyde (CAS 1134336-37-0)
- 3-(3,5-Dibromo-2-methoxyphenyl)-3-methyloxetane (CAS 1206776-30-8)
- 4,5-Dibromo-2-cyclohexylpyridazin-3(2H)-one (CAS 23215-69-2)
- Ethyl 2,3-dibromo-3-phenylpropionate (CAS 5464-70-0)
- Methyl 2,6-dibromo-4-isopropylbenzoate (CAS 2586126-83-0)
- 7-(3,5-Dibromo-1H-1,2,4-triazol-1-yl)heptanenitrile (CAS 1240572-54-6)
- 3,5-Dibromo-2-ethyl-6-methylpyrazolo[1,2-a]pyrazole-1,7-dione (CAS 1357946-10-1)
- (Z)-3-(2,4-Dibromo-5-methoxyphenyl)acrylic acid (CAS 1643592-80-6)
Recommended Standards
- 1,8-Dibromophenanthrene (CAS 20342-96-5)
- 2,7-Dibromoanthracene (CAS 63469-82-9)
- 1,5-Dibromoanthracene (CAS 3278-82-8)
- 2,7-Dibromophenanthrene (CAS 62325-30-8)
- N-(2-Methoxyethyl)-1H-spiro[piperidine-4,2-quinoxalin]-3-amine (CAS 1171004-09-3)
- 3-[2-(4-Methyl-piperidin-1-yl)-ethoxy]-benzoic acid hydrochloride (CAS 1185301-42-1)
- 4-Chloro-1-nitro-2-(trichloromethoxy)benzene (CAS 1417568-71-8)
- Cilomilast-d9 (CAS 1794779-92-2)
- Ketoconazole Impurity 24 (CAS CATO-C4X-147224)
- 8-(3,4-Dimethoxyphenyl)-1,4-dioxaspiro[4.5]decane-8-carboxylic acid (CAS 61749-07-3)
- 2-Methyl-5-(methylamino)pyrazine (CAS 590423-42-0)
- Cetyl isocyanate (CAS 1943-84-6)
- 1-Benzyl-3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1430750-47-2)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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