Isometamidium CAS 20438-03-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20438-03-3 |
| Molecular Formula | C28H26N7 Cl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isometamidium (CAS 20438-03-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H26N7 Cl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H26N7 Cl |
| Molecular Weight | 496.01 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 7 |
Related Isometamidium Standards
Recommended Standards
- 5-Ethylthiophene-2-carbaldehyde (CAS 36880-33-8)
- Chloroformic acid 2,2,3,3,3-pentafluoropropyl ester (CAS 1025495-74-2)
- 2-[(2E)-3-(3-Nitrophenyl)prop-2-enamido]benzamide (CAS 188544-09-4)
- 2-(Isoquinolin-5-yl)propanoic acid (CAS 581813-22-1)
- 4,6-Dichloro-5-methyl-2-(methylthio)pyrimidine (CAS 109414-76-8)
- 2-Amino-3,6-difluorobenzonitrile (CAS 190011-81-5)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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