
Inventory Updated 2022.5.20
1. Flavorings Items Quantity Vanillin (Julan Brand) 2,000 kgs Vanillin (Eternal Pearl Brand) 8,000 kgs 2. Preservatives Items Quantity Natamycin 50% in lactose 650 kgs
CAS No.: 73-31-4
Other names: N-acetyl-5-methoxytryptamine, pineal hormone
MOQ: 100G
Formula: C13H16N2O2
Weight: 232.283 g·mol−1
Package: 100g/bag, 25kg/drum
HS Code: 2942000000
Certificate: ISO/Kosher/Halal
Grade: Pharma/Food grade
Appearance: Off-white powder
Standard: USP/In house
Content: 99%
Particle size: 300 mesh
Type: ordinary and water-soluble type
Across Biotech supplies pure Melatonin powder and its water-soluble type, CAS No. 73-31-4, with high quality and used in food, and dietary supplements. Check the specification below:
| Items | Standards |
| Appearance | Off-white powder |
| Identification
Identification IR Identification UV Identification HPLC |
Pass test Pass test Pass test |
| Odor | Characteristics |
| Individual impurity | ≤0.1% |
| Total impurities | ≤1.0% |
| Loss on drying | ≤1.0% |
| Residue on ignition | ≤0.1% |
| Loss on drying | ≤0.2% |
| Residue on ignition | ≤0.1% |
| Chloride | ≤0.02% |
| Particle Size | ≥90% through 300 mesh |
| Residual solvent | Meets as per USP |
| Heavy Metals | ≤10ppm |
| Lead | ≤0.5ppm |
| Arsenic | ≤1.0ppm |
| Cadmium | ≤0.3ppm |
| Mercury | ≤0.2ppm |
| Chromium | ≤2.0ppm |
| Total Aerobic Count | ≤1000cfu/g |
| Molds and Yeasts | ≤50cfu/g |
| Coliforms | NMT100cfu/g |
| E. Coli | Negative |
| Staphylococcus Aureus | Negative |
| Salmonella | Negative |
| Assay (HPLC) | 98.5%-101.5% |
3.1 What is the particle size for the melatonin?
90% pass through 300 mesh sieve.
3.2 Is it possible to get a sample? And what is MOQ for melatonin?
A sample could be provided. The MOQ for melatonin is 100grams.
Across Biotech Jinan Co., Ltd is a reliable Melatonin powder and water-soluble type supplier in China, exporting goods to food manufacturers, additives and ingredients wholesalers and distributors abroad at attractive prices. Please reach us at sales@acrossbiotech.com for more info.

1. Flavorings Items Quantity Vanillin (Julan Brand) 2,000 kgs Vanillin (Eternal Pearl Brand) 8,000 kgs 2. Preservatives Items Quantity Natamycin 50% in lactose 650 kgs
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