Olopatadine Hydrochloride CAS 140462-76-6
| CAS No. | 140462-76-6 |
| Molecular Formula | C21H23NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Olopatadine Hydrochloride (CAS 140462-76-6), a certified reference material (molecular formula C21H23NO3HCl, MW 373.88 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Olopatadine Hydrochloride is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 373.88 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Olopatadine Hydrochloride 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 | C21H23NO3 HCl |
| Molecular Weight | 373.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Olopatadine Standards
- Olopatadine Impurity 44 (CAS 111088-69-8)
- Olopatadine Impurity 43 (CAS 1127893-02-0)
- Olopatadine Methyl Ester HCl (CAS 113805-71-3（free base）)
- Olopatadine Impurity 51 (CAS 113806-01-2)
- Olopatadine Ethyl Ester (HCl) (CAS 113806-03-4)
- Olopatadine (CAS 113806-05-6)
- (E)-Olopatadine (CAS 113806-06-7)
- Olopatadine Impurity N3 (CAS 113835-76-0)
Recommended Standards
- 2-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-7-yl)-9H-carbazole (CAS 186421-95-4)
- Potassium 2-(4-methylpyridin-2-yl)acetate (CAS 1251919-65-9)
- Methyl 3-nitro-1H-pyrrolo[3,2-b]pyridine-5-carboxylate (CAS 1190310-77-0)
- 2-Oxo-6-propyl-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile (CAS 1248123-19-4)
- Methyl piperidine-1-carboxylate (CAS 1796-27-6)
- 2-(4-(Trifluoromethyl)cyclohexyl)acetic acid (CAS 803736-46-1)
- Bisphenol P (CAS 2167-51-3)
- Benzyl (2,2-dimethylpent-4-en-1-yl)carbamate (CAS 886576-63-2)
- 3-Fluoro-2-((tetrahydrofuran-2-yl)methoxy)aniline (CAS 1286265-25-5)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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 18665070610 / Nicole.chen@cato-chem.com