4,5-Dihydroxy-1H-imidazole-2(3H)-thione CAS 299418-23-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 299418-23-8 |
| Molecular Formula | C3H4N2O2S |
| Molecular Weight | 132.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dihydroxy-1H-imidazole-2(3H)-thione (CAS 299418-23-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C3H4N2O2S. Molecular weight: 132.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C3H4N2O2S |
| Molecular Weight | 132.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-fluoropyrazine-2-carbaldehyde (CAS 206278-24-2)
- 4-Amino-5-thioxo-1,2,4-triazolidin-3-one (CAS 60783-96-2)
- 3,4-Diamino-1,2,5-thiadiazole 1-oxide (CAS 81074-83-1)
- 2-Amino-1-(pyrimidin-5-yl)ethan-1-ol (CAS 933719-57-4)
- 4-(4-Fluorophenyl)-1,3-dimethyl-1h-pyrazol-5-amine (CAS 702709-77-1)
- 4-Methoxybenzenethiol (CAS 696-63-9)
- 2-(5-ethylfuran-2-yl)-4-methylpiperidine (CAS 1354963-47-5)
- 4-Isopropyl-3-phenyl-1H-pyrazol-5-amine (CAS 2145474-02-6)
- N-[(1-Boc-4-piperidyl)methyl]pyridin-2-amine (CAS 302341-48-6)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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 13829788188 / jacky.chen@cato-chem.com