3,4-Dihydro-1H-thieno[3,2-e][1,4]diazepin-5(2H)-one CAS 304021-16-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 304021-16-7 |
| Molecular Formula | C7H8N2OS |
| Molecular Weight | 168.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dihydro-1H-thieno[3,2-e][1,4]diazepin-5(2H)-one (CAS 304021-16-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8N2OS. Molecular weight: 168.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H8N2OS |
| Molecular Weight | 168.22 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 5,6-Dihydro-8H-imidazo[2,1-c][1,4]thiazine-3-carbaldehyde (CAS 623564-36-3)
- 6,7-Dihydro-4H-pyrazolo[5,1-c][1,4]thiazine-2-carbaldehyde (CAS 623564-62-5)
- 6,8-Dihydro-5H-imidazo[2,1-c][1,4]thiazine-2-carbaldehyde (CAS 623564-35-2)
- N-(3,4-dihydro-2H-pyrrol-5-yl)-1,3,4-thiadiazol-2-amine (CAS 753466-12-5)
- N-(4,5-dihydro-1H-imidazol-2-yl)thiazol-2-amine (CAS 870538-89-9)
- (2S)-3,4-dihydro-2H-1-benzopyran-2-carbaldehyde (CAS 1325237-13-5)
- 5,6-Dihydro-4H-cyclopenta[c]thiophene-1-carboxylic acid (CAS 1369339-87-6)
- 2,3-dihydro-1$l^{6}-benzothiophene-1,1-dione (CAS 14315-13-0)
Recommended Standards
- 2-Methoxypyridine-4-carbothioamide (CAS 929972-07-6)
- 3,6-Dimethyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 552881-02-4)
- 2-Mercaptobenzohydrazide (CAS 24611-43-6)
- 4-Ethynyl-4'-propyl-1,1'-biphenyl (CAS 360768-57-6)
- (2S)-2-(phenylformamido)butanoic acid (CAS 87068-75-5)
- 5-(2,5-Dichlorophenyl)-1,2,4-triazin-3-amine (CAS 886497-17-2)
- Methyl 5-bromo-2-butyramidobenzoate (CAS 452349-54-1)
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(trifluoromethyl)phenol (CAS 2638502-47-1)
- Naphthalenesulfonic acid, dinonyl-, sodium salt (CAS 26834-28-6)
- Pheromone Biosynthesis Activating Neuropeptide (Helicoverpa assulta, Heliothis zea) (CAS 122071-54-9)
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