2-Thioxo-5H-1,3,4-thiadiazolo[2,3-b]quinazolin-5-one CAS 106511-81-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 106511-81-3 |
| Molecular Formula | C9H5N3OS2 |
| Molecular Weight | 235.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Thioxo-5H-1,3,4-thiadiazolo[2,3-b]quinazolin-5-one (CAS 106511-81-3) pharmaceutical standards reference standard. Molecular formula: C9H5N3OS2. Molecular weight: 235.29 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H5N3OS2 |
| Molecular Weight | 235.29 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Thioxo Standards
- Ethyl 2-thioxo-1,2,3,4-tetrahydroquinoline-4-carboxylate (CAS 1291486-25-3)
- 2-(3-Phenyl-5-thioxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)acetic acid (CAS 185034-18-8)
- 5-Thioxo-7-(trifluoromethyl)-3,5-dihydroimidazo[1,2-a]pyrimidin-2(1H)-one (CAS 294880-84-5)
- 3-(3-Methyl-2-thioxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)propanoic acid (CAS 247128-23-0)
- N-((5-thioxo-2,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)benzamide (CAS 320420-23-3)
- 2-Thioxo-5-(m-tolyloxy)-2,3-dihydropyrimidin-4(1H)-one (CAS 66047-03-8)
- Ethyl 2-(2-thioxo-1,3-thiazinan-3-yl)propanoate (CAS 866151-58-8)
- 2-Oxo-2-((2-thioxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)amino)acetic acid (CAS 125748-12-1)
Recommended Standards
- 5-(2-Methylpropyl)-3-[(1H-1,2,3,4-tetrazol-5-yl)amino]cyclohex-2-en-1-one (CAS 1020251-83-5)
- 4-Oxo-6-(thiophen-2-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 109532-65-2)
- (1Z)-n'-hydroxy-2-(4-pyridin-2-ylpiperazin-1-yl)ethanimidamide (CAS 1016786-03-0)
- 3-methoxy-2,5-dimethylbenzoic acid (CAS 92315-49-6)
- 2-fluoro-1-(4-methoxyphenyl)ethan-1-amine hydrochloride (CAS 2031268-88-7)
- Acetaminophen-13C2, 15N1 (CAS 360769-21-7)
- 7-Chloro-N-(2-chlorophenyl)quinazolin-4-amine (CAS 477856-21-6)
- 1-(1-Methyl-1H-indazol-7-yl)thiourea (CAS 41968-38-1)
- 1-Linoleoyl-2-Hydroxy-sn-Glycero-3-Phosphatidylcholine (CAS 22252-07-9)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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