Melatonin Impurity 27 CAS 188397-02-6
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 188397-02-6 |
| Molecular Formula | C17H20N2O4 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Melatonin Impurity 27 (CAS 188397-02-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H20N2O4. Molecular weight: 316.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H20N2O4 |
| Molecular Weight | 316.35 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 2 |
Related Melatonin Standards
- Melatonin Impurity 22 (CAS CATO-C4X-229222)
- Melatonin Impurity 33 (CAS 14670-08-7)
- Melatonin 2-Iodo Impurity (CAS 93515-00-5)
- Melatonin impurity 13 (CAS 188396-98-7)
- Melatonin Impurity 30 (CAS 188396-95-4)
- Melatonin 2-Chloro impurity (CAS 118747-02-7)
- Melatonin 6-Chloro Impurity (CAS 63762-74-3)
- Melatonin impurity 11 (CAS CATO-C4X-229211)
Recommended Standards
- Gadobutrol Impurity 34 (CAS 2748309-13-7)
- Pemafibrate Impurity 51 (CAS CATO-C4X-290351)
- Sodium Valproate Impurity 39 (CAS CATO-C4X-116639)
- Urapidil Impurity 28 (CAS 16015-70-6)
- Promethazine Impurity 46 (CAS CATO-C4X-141846)
- 2-Methyl-3-(n-methyl-2-(4-oxothiazolidin-3-yl)acetamido)propanoic acid (CAS 1275066-00-6)
- (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)((S)-3-hydroxypyrrolidin-1-yl)methanone (CAS 1354025-34-5)
- 1-(o-Tolyl)anthracene-9,10-dione (CAS 20600-72-0)
- Ethyl 6-bromo-5-hydroxy-2-methyl-1H-indole-3-carboxylate (CAS 16052-67-8)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
Why CATO?
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