4,7-Dibromothieno[3,2-d]pyrimidine CAS 31169-28-5
| CAS No. | 31169-28-5 |
| Molecular Formula | C6H2Br2N2S |
| Molecular Weight | 293.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,7-Dibromothieno[3,2-d]pyrimidine 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.
CATO supplies 4,7-Dibromothieno[3,2-d]pyrimidine (CAS 31169-28-5), a certified reference material (molecular formula C6H2Br2N2S, MW 293.97 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H2Br2N2S, 4,7-Dibromothieno[3,2-d]pyrimidine contains a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.97 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C6H2Br2N2S |
| Molecular Weight | 293.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dibromothieno Standards
- 5,6-Dibromothieno[2,3-d]pyrimidine (CAS 1841081-51-3)
- 4,6-Dibromothieno[2,3-d]pyrimidine (CAS 56844-15-6)
- 5,7-Dibromothieno[3,4-b]pyrazine (CAS 207805-24-1)
- 4,6-Dibromothieno[2,3-b]pyridine (CAS 1823919-81-8)
- 2,5-dibromothieno[3,2-b]thiophene (CAS 25121-87-3)
- 3,6-Dibromothieno[3,2-b]thiophene (CAS 392662-65-6)
- 2,5-dibromothieno[2,3-d]thiazole (CAS 203049-71-2)
- 5,6-Dibromothieno[2,3-d]pyrimidin-4(3H)-one (CAS 1239460-82-2)
Recommended Standards
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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