Melatonin Impurity 29 CAS 1020701-51-2
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1020701-51-2 |
| Molecular Formula | C20H22N2O4S |
| Molecular Weight | 386.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Melatonin Impurity 29 (CAS 1020701-51-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H22N2O4S. Molecular weight: 386.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H22N2O4S |
| Molecular Weight | 386.46 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Propranolol Impurity 38 (CAS CATO-C4X-151938)
- Risdiplam impurity 6 (CAS CATO-C4X-30126)
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- 2,3,4,5-Tetrachloro-6-phenoxyaniline (CAS 1956310-69-2)
- 5-Iodo-4-methyl-6-(trifluoromethyl)pyrimidin-2-amine (CAS 1823943-38-9)
- 3-(4-Methoxypyrimidin-2-yl)pyrazolo[1,5-a]pyrazine (CAS 1330043-94-1)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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