Melatonin Impurity 4 CAS 229018-17-1
| CAS No. | 229018-17-1 |
| Molecular Formula | C13H16N2O3 |
| Molecular Weight | 248.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Melatonin Impurity 4 (C13H16N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies Melatonin Impurity 4 (CAS 229018-17-1), a pharmacopoeial impurity reference standard (molecular formula C13H16N2O3, MW 248.28 g/mol) used for the identification and quantification of trace impurities in APIs.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Melatonin Impurity 4 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.
Physical & Chemical Properties
| Molecular Formula | C13H16N2O3 |
| Molecular Weight | 248.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2022 |
| Nitrogen Atoms | 2 |
Related Melatonin Standards
- Melatonin Impurity N1 (CAS 109210-52-8)
- Melatonin impurity 14 (CAS 67199-08-0)
- Melatonin Impurity 24 (CAS CATO-C4X-229224)
- Melatonin Impurity 28 (CAS 39998-64-6)
- Melatonin Impurity 19 (CAS CATO-C4X-229220)
- Melatonin Impurity 25 (CAS 573983-93-4)
- Melatonin Impurity 32 (CAS CATO-C4X-229232)
- Melatonin-d4 (CAS 66521-38-8)
Recommended Standards
- Perampanel Impurity 19 (CAS CATO-C4X-243019)
- Perampanel Impurity 21 (CAS CATO-C4X-243021)
- Perampanel impurity 50 (CAS CATO-C4X-243050)
- Selexipag Impurity 12 (CAS 18591-57-6)
- Oclacitinib impurity 27 (CAS CATO-C4X-301827)
- Phosphoramidite Impurity 24 (CAS CATO-C4X-288624)
- Entecavir Impurity 15 (CAS 142217-81-0)
- Methyl 3-Hydroxy-5-methoxybenzoate (CAS 19520-74-2)
- 2-Fluoro-3-methylpyridin-4-amine (CAS 1393532-84-7)
- Benzylpenicillin Impurity 10 (CAS 34104-15-9)
- Irisflorentin (CAS 41743-73-1)
- Stigmasterol Glucoside (CAS 19716-26-8)
- 5-Bromo-n1-cyclobutylbenzene-1,2-diamine (CAS 1478251-82-9)
- Angiotensin II Antipeptide (CAS 121379-63-3)
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