TNBT Diformazan CAS 19333-63-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19333-63-2 |
| Molecular Formula | C40H30N12O10 |
| Molecular Weight | 838.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
TNBT Diformazan (CAS 19333-63-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H30N12O10. Molecular weight: 838.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C40H30N12O10 |
| Molecular Weight | 838.74 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 32.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 12 |
Recommended Standards
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- 3,3'-Bis(3,5-bis(trifluoromethyl)phenyl)-[1,1'-binaphthalene]-2,2'-disulfonic acid (CAS 1174193-00-0)
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- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
Why CATO?
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