2-Phenylthieno[2,3-d]pyrimidin-4-ol CAS 56843-76-6
| CAS No. | 56843-76-6 |
| Molecular Formula | C12H8N2OS |
| Molecular Weight | 228.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 2-Phenylthieno[2,3-d]pyrimidin-4-ol (CAS 56843-76-6), a certified reference material (molecular formula C12H8N2OS, MW 228.27 g/mol) for analytical method development and quality control.
Structurally, 2-Phenylthieno[2,3-d]pyrimidin-4-ol (C12H8N2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 228.27 g/mol, it falls into the medium-molecular-weight range. 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 | C12H8N2OS |
| Molecular Weight | 228.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Phenylthieno Standards
- 2-Phenylthieno[3,2-d]pyrimidin-4-ol (CAS 18678-14-3)
- 6-Phenylthieno[2,3-d]pyrimidin-4-ol (CAS 35970-78-6)
- 6-phenylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 209853-24-7)
- 2-Phenylthieno[2,3-d]pyrimidin-4-amine (CAS 1249756-97-5)
- 5-Phenylthieno[2,3-d]pyrimidin-4-amine (CAS 195193-10-3)
- 2-Phenylthieno[3,2-c]pyridin-4(5H)-one (CAS 690636-03-4)
- 2-Methyl-6-phenylthieno[3,2-d]pyrimidin-4-amine (CAS 109879-70-1)
- 1-(2-Phenylthieno[2,3-b]furan-5-yl)ethanone (CAS 61255-02-5)
Recommended Standards
- 2-Phenylthiazolo[5,4-d]pyrimidin-7-amine (CAS 3298-77-9)
- 2-thien-3-ylquinazolin-4(3H)-one (CAS 923800-74-2)
- 2-Methyl-4-(thiazol-2-ylcarbamoyl)-butyric acid (CAS 799258-42-7)
- 2-Tosylacetohydrazide (CAS 2850-22-8)
- Pentamethylcyclopentadienyl rhodium iodide dimer (CAS 67841-74-1)
- (Z)-2-(4-methoxyphenoxy)-N'-(2-phenoxynicotinoyl)acetohydrazonamide (CAS 303148-30-3)
- Ethyl 4-(3-methyl-1h-pyrazol-1-yl)-2-(methylamino)butanoate (CAS 1339659-10-7)
- 2H-Pyrrolo[3,4-d]thiazole (CAS 72332-80-0)
- Donepezil-d7 HCl (CAS 1261394-20-0)
- 2,2-Difluoroethyl (2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorononyl) carbonate (CAS 1980076-47-8)
- 2,2'-(((Oxybis(4,1-phenylene))bis(azanediyl))bis(carbonyl))dibenzoic acid (CAS 82131-85-9)
- Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(trifluoromethyl)benzoate (CAS 1810790-95-4)
- 4-Bromo-2-(difluoromethyl)benzonitrile (CAS 1261760-22-8)
- Peptide 434 (CAS CATO-CPTD788434)
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