7-Bromothieno[3,2-d]pyrimidin-4(3H)-one CAS 31169-25-2
| CAS No. | 31169-25-2 |
| Molecular Formula | C6H3BrN2OS |
| Molecular Weight | 231.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Bromothieno[3,2-d]pyrimidin-4(3H)-one 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.
7-Bromothieno[3,2-d]pyrimidin-4(3H)-one (CAS 31169-25-2) is a high-purity analytical reference standard with the molecular formula C6H3BrN2OS and a molecular weight of 231.07 g/mol.
Based on its molecular formula C6H3BrN2OS, 7-Bromothieno[3,2-d]pyrimidin-4(3H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C6H3BrN2OS |
| Molecular Weight | 231.07 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 Bromothieno Standards
- 5-Bromothieno[2,3-d]pyrimidin-4(3H)-one (CAS 1239460-83-3)
- 3-Bromothieno[2,3-d]pyridazin-4(5H)-one (CAS 1433203-93-0)
- 2-Bromothieno[2,3-d]pyridazin-4(5H)-one (CAS 1936374-21-8)
- 6-Bromothieno[2,3-d]pyrimidin-4(3H)-one (CAS 56844-40-7)
- 7-Bromothieno[3,4-d]pyrimidin-4-amine (CAS 1238580-99-8)
- 7-Bromothieno[3,2-d]pyrimidin-2-amine (CAS 1293987-58-2)
- 5-Bromothieno[2,3-b]pyridin-4-ol (CAS 104514-87-6)
- 2-Bromothieno[2,3-b]pyridin-4-ol (CAS 104514-90-1)
Recommended Standards
- Methyl 4-6-dichloro-4-6-dideoxy-α-D-galactopyranoside (CAS 4990-82-3)
- 6-Bromothiazolo[5,4-b]pyridin-2(1H)-one (CAS 199538-83-5)
- 3-(3,4-Dichlorophenyl)dihydrofuran-2(3H)-one (CAS 103753-78-2)
- 6-Amino-5-bromo-2-thioxo-2,3-dihydropyrimidine-4-carbonitrile (CAS 2106640-62-2)
- N4-(4-(Trifluoromethoxy)phenyl)quinazoline-4,6-diamine (CAS 899829-91-5)
- (E)-1-(3-Methoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 130820-51-8)
- Ethyl 2-(chloromethyl)pyrimidine-4-carboxylate (CAS 944899-56-3)
- 7-Mercapto-3-methyl-[1,3,4]thiadiazolo[2,3-c][1,2,4]triazin-4-one pyridinium salt (CAS 94350-96-6)
- 1-(1H-pyrazolo[3,4-b]pyridin-5-yl)ethanone (CAS 1256794-87-2)
- (1-((2,4-Dichlorophenyl)sulfonyl)piperidin-2-yl)methanol (CAS 1177643-98-9)
- 5-Bromo-2-((tetrahydro-2H-pyran-4-yl)methoxy)pyrimidine (CAS 1468448-55-6)
- (7-Bromo-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(4-bromophenyl)methanone (CAS 175136-40-0)
- 1-((3-Methoxypropyl)amino)-3-((2-methyl-1H-indol-4-yl)oxy)propan-2-ol (CAS 338392-19-1)
- D-Ala35-Tirzepatide (CAS CATO-CPTD788904)
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