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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Melatonin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Melatonin impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Melatonin-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Melatonin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Hydroxymelatonin-d4 Stable Isotopes CS-T-100201 Not Available Enquire
4-Hydroxymelatonin-d4 Stable Isotopes CS-T-100200 Not Available Enquire
6-Sulfatoxy Melatonin-d4 (Major) Sodium Salt Stable Isotopes CS-T-99097 Not Available Enquire
Melatonin-d3 Stable Isotopes CS-DX-00003 60418-64-6 In Stock
Melatonin-d4 Stable Isotopes CS-O-10851 66521-38-8 In Stock
N-nitroso Melatonin D3 Stable Isotopes CS-O-48198 278783-22-5 (Unlabelled) Enquire
N-Nitroso Melatonin D4 Stable Isotopes CS-O-48488 278783-22-5 (Unlabelled) Enquire
Melatonin-d7 Stable Isotopes CS-TB-82394 615251-68-8 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
melatonin sulfate API CS-ED-00987 Not Available Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Hydroxymelatonin Metabolite CS-EO-02089 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Methoxyindole-3-acetonitrile Impurity CS-M-08778 2436-17-1 In Stock
5-Methoxytryptamine Impurity CS-T-32939 608-07-1 In Stock
Hamamelitannin Impurity CS-E-00233 469-32-9 In Stock
Melatonin EP Impurity D Impurity CS-P-08881 28026-16-6 In Stock
Rac-Cyclic 3-Hydroxymelatonin Impurity CS-EO-02824 67199-08-0 Enquire
Cyclic-3-hydroxymelatonin Impurity CS-O-42186 745822-34-8 Enquire
Melatonin Dimer Impurity CS-O-40336 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Acetyl-N-2-formyl-5-methoxykynurenamine Intermediate CS-T-47243 52450-38-1 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Hydroxymelatonin Glucuronide Glucuronide CS-TB-67728 94840-69-4 Enquire