(R)-Amlodipine CAS 103129-81-3
| CAS No. | 103129-81-3 |
| Molecular Formula | C20H25ClN2O5 |
| Molecular Weight | 408.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (R)-Amlodipine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(R)-Amlodipine (CAS 103129-81-3), molecular formula C20H25ClN2O5 and molecular weight 408.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H25ClN2O5, (R)-Amlodipine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 408.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H25ClN2O5 |
| Molecular Weight | 408.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related R Standards
- Amlodipine (S)-Isomer (CAS 103129-82-4)
- Amlodipine (CAS 88150-42-9)
- Amlodipine para-Chloro Impurity (CAS 90445-02-6)
- Amlodipine Impurity 150 (CAS CATO-C4X-1095150)
- Amlodipine Metabolite 5 (CAS 114018-75-6)
- Amlodipine Besylate EP Impurity D (CAS 113994-41-5)
- (S)-Amlodipine-d4 (CAS 1346617-19-3)
- Amlodipine-d4 (CAS 1185246-14-3)
Recommended Standards
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- 21-Dehydro Clocortolone (CAS 61744-29-4)
- 5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (CAS 338399-02-3)
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- 4-(1H-imidazol-2-yl)-6-methyl-2,3-dihydropyridazin-3-one (CAS 1210535-57-1)
- (2R)-2-[3-(Trifluoromethyl)phenyl]pyrrolidine (CAS 1228566-45-7)
- 2-Amino-4-(naphthalen-2-yl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 414897-69-1)
- 6,7-Dimethoxy-2-(l-piperazinyl)-Quinazoline (CAS 104966-39-4)
- 3-Chloro-1H-indazole-4-carbaldehyde (CAS 1337881-16-9)
- 3-Fluoro-2-(piperidin-4-ylmethoxy)pyridine hydrochloride (CAS 2680615-60-3)
- Atrasentan Impurity 108 (CAS 1059052-13-9)
- 2-Bromo-3-(trifluoromethyl)isonicotinonitrile (CAS 1806850-59-8)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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