Tizanidine EP Impurity A CAS 51322-69-1
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 51322-69-1 |
| Molecular Formula | C9H9N5S |
| Molecular Weight | 219.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tizanidine EP Impurity A (CAS 51322-69-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9N5S. Molecular weight: 219.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9N5S |
| Molecular Weight | 219.27 g/mol |
| Purity | >90% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Tizanidine Standards
- Tizanidine impurity 29 (CAS CATO-C4X-144529)
- Tizanidine Impurity 65 (CAS 67357-54-4)
- Tizanidine Impurity 66 (CAS 67357-53-3)
- Tizanidine Impurity 67 (CAS 67357-56-6)
- Tizanidine Guanidine Impurity (CAS 125292-37-7)
- Tizanidine impurity 20 (CAS CATO-C4X-144520)
- Tizanidine impurity 26 (CAS CATO-C4X-144526)
- Tizanidine Hydrochloride EP Impurity G (CAS 51322-80-6)
Recommended Standards
- 4-(Prop-2-en-1-yl)-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol (CAS 98010-71-0)
- 2-isobutyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 100609-30-1)
- 1-Phenyl-3-(4H-1,2,4-triazol-4-yl)thiourea (CAS 5102-30-7)
- Isavuconazole Impurity 219 (CAS CATO-C4X-1236219)
- Sildenafil Impurity 8 (CAS 139756-27-7)
- n-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)ethanamine (CAS 21398-66-3)
- 2-(4-Bromo-3-chloro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2096341-75-0)
- 1-(2-Nitrobenzoyl)piperidine-4-carboxylic acid (CAS 953727-43-0)
- 5-(Chloromethyl)-3-(3,4-dichlorophenyl)oxazolidin-2-one (CAS 1204298-22-5)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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