Chlorhexidine Impurity 21 CAS 2208-89-1
Purity 95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2208-89-1 |
| Molecular Formula | C2H3N3O |
| Molecular Weight | 85.06 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Chlorhexidine Impurity 21 (CAS 2208-89-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C2H3N3O. Molecular weight: 85.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C2H3N3O |
| Molecular Weight | 85.06 g/mol |
| Purity | 95% |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Chlorhexidine Standards
- Chlorhexidine Impurity 20 (CAS 97904-31-9)
- Chlorhexidine Digluconate EP Impurity E (CAS 45964-97-4)
- Chlorhexidine Diacetate Impurity 2 (CAS 1934-75-4)
- Chlorhexidine Dihydrochloride - Impurity E (CAS 61705-88-2)
- Chlorhexidine acetate hydrate(1:2:x) (CAS 206986-79-0)
- Chlorhexidine EP Impurity G DiHCl (CAS 165678-61-5)
- Chlorhexidine EP Impurity M 2HCl (CAS CATO-C4X-225611)
- Chlorhexidine Impurity 12 (CAS CATO-C4X-225612)
Recommended Standards
- Famotidine impurity 76 (CAS CATO-C4X-139276)
- Cyanoacetic Acid (CAS 372-09-8)
- Oxazol-5(4H)-one (CAS 497-24-5)
- Mianserin impurity 27 (CAS CATO-C4X-136927)
- Fluticasone Impurity 61 (CAS CATO-C4X-165061)
- Tacrolimus Impurity 2 (Discontinue) (CAS CATO-C4X-13002)
- Cobalt(1+), tricarbonylbis(triphenylphosphine)-, (T-4)-tetracarbonylcobaltate(1-) (1:1) (CAS 14243-08-4)
- N-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine (CAS 1201644-38-3)
- 4-Hydroxyphenethyl 4-formyl-3-(2-oxoethyl)hex-4-enoate (CAS 151194-92-2)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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