2-Hydroxypyrimidine-4(1H)-thione CAS 203268-53-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203268-53-5 |
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxypyrimidine-4(1H)-thione (CAS 203268-53-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4N2OS. Molecular weight: 128.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.15 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydroxypyrimidine Standards
- 5-Hydroxypyrimidine-2(1H)-thione (CAS 1895778-67-2)
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- 6-Hydroxypyrimidine-4-carbaldehyde (CAS 98136-87-9)
- 4-Hydroxypyrimidine-2-carbonitrile (CAS 1034827-34-3)
- 4-Hydroxypyrimidine-5-carbonitrile (CAS 4774-34-9)
- N-Hydroxypyrimidine-2-carboximidamide (CAS 90993-49-0)
- n'-Hydroxypyrimidine-4-carboximidamide (CAS 51285-11-1)
Recommended Standards
- 2-(3-Fluoro-3-methylazetidin-1-yl)acetonitrile (CAS 2301394-32-9)
- 2-Mercaptopyrimidin-4-ol (CAS 80275-68-9)
- 1,3-Thiazole-5-carboxamide (CAS 74411-19-1)
- 5-Chloro-2-methylnicotinonitrile (CAS 1256819-16-5)
- (Z)-4-(Octyloxy)but-2-en-1-ol (CAS 111934-56-6)
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- 2-(((4,4,5,5,5-Pentafluoropentyl)oxy)carbonyl)benzoic acid (CAS 303133-78-0)
- 4-(n-Methylacetamido)butanoic acid (CAS 117704-99-1)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine (CAS 852227-96-4)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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