3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one CAS 16951-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16951-33-0 |
| Molecular Formula | C8H7N3OS |
| Molecular Weight | 193.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 16951-33-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H7N3OS. Molecular weight: 193.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H7N3OS |
| Molecular Weight | 193.23 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 4-Amino-6-(thiophen-2-yl)pyridazin-3(2H)-one (CAS 1018299-56-3)
- 2-Amino-1,3-benzothiazole-6-carboxamide (CAS 111962-90-4)
- 4-(5-Amino-1,2,4-thiadiazol-3-yl)phenol (CAS 1153978-69-8)
- 3-(5-Amino-1,2,4-thiadiazol-3-yl)phenol (CAS 1153980-05-2)
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- 2-Amino-6-(thiophen-2-yl)pyrimidin-4(3H)-one (CAS 98555-02-3)
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Recommended Standards
- 2-(Methylthio)pyrido[3,4-d]pyrimidin-8(7H)-one (CAS 1578245-94-9)
- 3-Aminothieno[3,2-c]pyridine-2-carboxamide (CAS 1706454-34-3)
- 2-(1-Methyl-1h-pyrazol-3-yl)-1,3-thiazole-4-carbaldehyde (CAS 1488521-40-9)
- ethyl 2-(4-bromo-2-fluorophenyl)-2-chloroacetate (CAS 1249090-53-6)
- Fluorescent DOTAP (CAS 1010076-97-7)
- 4-((Dimethylamino)methyl)-5-methylisoxazol-3-ol (CAS 58893-35-9)
- N-[(pyridin-4-yl)methyl]oxan-4-amine (CAS 885277-39-4)
- 5-Chloro-2-fluoro-4-iodoaniline (CAS 1935087-03-8)
- 2-(Trifluoromethyl)benzo[d]thiazol-7-ol (CAS 1261545-10-1)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com