2,5-Bis(4-nitrophenyl)thiazolo[5,4-d]thiazole CAS 4402-40-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4402-40-8 |
| Molecular Formula | C16H8N4O4S2 |
| Molecular Weight | 384.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Bis(4-nitrophenyl)thiazolo[5,4-d]thiazole (CAS 4402-40-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H8N4O4S2. Molecular weight: 384.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H8N4O4S2 |
| Molecular Weight | 384.39 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Bis Standards
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- 4-Nitrophenyl 2-acetamido-3-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 23262-57-9)
- 1-(4-(3-Nitrophenyl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 477708-91-1)
- N-(2-nitrophenyl)-2-(4-(4-nitrophenyl)piperazin-1-yl)acetamide (CAS 882080-67-3)
- 2-{2-[4-(3-nitrophenyl)piperazin-1-yl]ethyl}-2H,3H,4H-pyrido[3,2-b][1,4]oxazin-3-one (CAS 1263386-35-1)
- 7-Methyl-7-(4-nitrophenyl)-3-phenyltetrahydro-5H-imidazo[1,5-b][1,2,4]triazole-2,5(3H)-dithione (CAS 400084-38-0)
- 2-((4-(3-Nitrophenyl)thiazol-2-yl)amino)-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 866142-60-1)
Recommended Standards
- 2,4,6-Tris(4-cyanophenyl)-1,3,5-triazine (CAS 6876-34-2)
- 2-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino]-2-(1,3-dioxo-2,3-dihydro-1H-inden-2-ylidene)acetonitrile (CAS 38756-20-6)
- 2-(2-(5-Oxo-1,3-diphenyl-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzoic acid (CAS 314757-85-2)
- 3-(5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)propanoic acid (CAS 901735-11-3)
- 2-((5-Chloro-2-hydroxybenzyl)amino)propane-1,3-diol (CAS 1487439-44-0)
- 2-(tert-Butyl)benzenethiol (CAS 19728-41-7)
- 1-(3-Methoxyphenyl)cyclopentanamine (CAS 1011361-36-6)
- 1-(4-(Bromomethyl)phenyl)propan-1-one (CAS 95889-09-1)
- 4-(4-(Diethylamino)styryl)-1-(2-hydroxyethyl)pyridin-1-ium bromide (CAS 1315270-31-5)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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