Chlorhexidine acetate hydrate(1:2:x) CAS 206986-79-0
| CAS No. | 206986-79-0 |
| Molecular Formula | C22H30Cl2N10 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Chlorhexidine acetate hydrate(1:2:x) (CAS 206986-79-0) is a high-purity analytical reference standard with the molecular formula C22H30Cl2N10C2H4O2H2O and a molecular weight of 583.52 g/mol.
Chlorhexidine acetate hydrate(1:2:x) (C22H30Cl2N10C2H4O2H2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Chlorhexidine acetate hydrate(1:2:x) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C22H30Cl2N10 2*C2H4O2 H2O |
| Molecular Weight | 583.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 10 |
Related Chlorhexidine Standards
- Chlorhexidine-d8 Dihydrochloride (CAS 1246816-96-5)
- Chlorhexidine Diacetate EP Impurity B (CAS 1308292-89-8)
- Chlorhexidine EP Impurity K HCI (CAS 1381962-77-1（free base）)
- Chlorhexidine EP Impurity A (CAS 152504-08-0)
- Chlorhexidine EP Impurity A Hydrochloride (CAS 152504-08-0（free base）)
- Chlorhexidine Digluconate EP Impurity G HCl (CAS 152504-09-1 (free base))
- Chlorhexidine EP Impurity N (CAS 152504-10-4)
- Chlorhexidine Diacetate Impurity 2 Hydrochloride (CAS 152504-10-4(Free Base))
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- tert-Butyl 2-(5-chloro-2-fluorobenzyl)hydrazinecarboxylate (CAS 1702683-46-2)
- 7-(9H-Carbazol-9-yl)-1,2,3,4-tetrafluoroacridine (CAS 643032-50-2)
- Q-Peptide trifluoroacetate salt (CAS 1361235-89-3)
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