7-Nitro-9H-benzo[e][1,2,4]triazolo[5,1-b][1,3]thiazin-9-ol CAS 663206-21-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 663206-21-1 |
| Molecular Formula | C9H6N4O3S |
| Molecular Weight | 250.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Nitro-9H-benzo[e][1,2,4]triazolo[5,1-b][1,3]thiazin-9-ol (CAS 663206-21-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6N4O3S. Molecular weight: 250.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6N4O3S |
| Molecular Weight | 250.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Nitro Standards
- (6-nitro-2-oxo-3,4-dihydro-1H-quinolin-8-yl) acetate (CAS 71280-10-9)
- 1-(6-Nitro-1,3-benzodioxol-5-yl)pyrrolidin-2-one (CAS 936075-72-8)
- 2-(6-Nitro-1-oxoisoindolin-2-yl)propanoic acid (CAS 797029-43-7)
- 3-(6-Nitro-1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid (CAS 620099-68-5)
- 4-Nitro-N-(2-oxotetrahydrofuran-3-yl)benzamide (CAS 61315-65-9)
- 4-Nitro-3-(piperidin-1-yl)benzoic acid (CAS 1141473-72-4)
- 118159-39-0 2-Nitro-5-(piperidin-1-yl)benzoic acid 2965AA C12H14N2O4 (CAS 118159-39-0)
- 3-Nitro-5-[(piperidin-1-yl)carbonyl]phenol (CAS 1394935-37-5)
Recommended Standards
- 5H-[1,2,4]triazino[5,6-b]indole-3-sulfonic acid (CAS 24838-19-5)
- Diisopropyl (3-Acetyloxiran-2-yl)phosphonate (CAS 89020-96-2)
- 5-[(2-nitrophenyl)methylidene]thiazolidine-2,4-dione (CAS 36140-65-5)
- 1-(2-Fluorophenyl)-1H-pyrrole-2,5-dione (CAS 63566-53-0)
- cis-2-aminocyclopentanol (CAS 57070-95-8)
- Formamidine acetate-<SUP>13</SUP>C,d,<SUP>15</SUP>N<SUB>2</SUB> (CAS 1215774-22-3)
- 1-(3-Fluorophenyl)butan-1-amine (CAS 708253-47-8)
- Favipiravir Impurity 11 (CAS 6863-74-7)
- 3-Amino-4-(cyclobutylamino)-benzoic acid (CAS 879558-10-8)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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