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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-16-2025 | 0.0 $* | 0.48 $* |
Aug-16-2025 | 0.3 $* | 0.92 $* |
Jul-16-2025 | 0.63 $* | 0.88 $* |
Jun-16-2025 | 0.86 $* | 0.48 $* |
May-16-2025 | 0.3 $* | 0.80 $* |
Apr-16-2025 | 0.49 $* | 0.94 $* |
Mar-16-2025 | 0.18 $* | 0.36 $* |
Feb-16-2025 | 0.67 $* | 0.35 $* |
Jan-16-2025 | 0.92 $* | 0.81 $* |
Product Name: Melatonine CAS NO 73-31-4
CAS NO: 73-31-4
MF: C13H16N2O2
MW: 232.28
Function: Melatonin can be used as health care products, so as to enhance people’s immune function, preventing aging and back to youth. What’s more, it is helpful to one’s sleep.
Melatonin can be widely used in health foods, various cosmetics, and nourishing care products. Function: Melatonin, freckle, natural whitening: Melatonin can make the skin white. It can regulate human body secretion, remove dark spots, age spots, chloasma, pregnancy spots and pigmentation caused by sun exposure, make skin whiter, Moisturize and restore youthful demeanor.
Technical Data Sheet for Melatonine CAS NO 73-31-4
Item | Specification |
Appearance | White powder |
Melting point | 116.5-118 °C(lit.) |
Pka | 16.26±0.46(Predicted) |
Assay | 97.0% - 103.0% |
Solubility | Soluble in ethanol to at least 50mg/ml |
Storage | Store in dry and ventilated place with the room temperature. Preserved in original tight-closed containers. Keep away from light and heating |
Our Second Laboratory will put into use by early of May
Shandong HRC Chemical Co., LTD has been specializing in research, development, production and marketing of high-end chemicals and nutrition ingredients. After years of development, now we have well-equipped laboratory, production workshop and multiple cooperative production lines together with professional R&D teams. Taking technology as the core and customer as the center is our eternal principle and pursuit. We are looking forward to cooperate with you sincerely to create a better future together!!
1: For small samples quantity <1 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags.
2: For medium quanity 1-25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags, then packed in cartons or small drums for shipping.
3: For larger quanity >25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags OR bigger size double seal PET bags for 25kgs in bulk then packed in drums for shipping.
Q:How to order a sample for quality testing purpose before your commercial order?
A: We do provide our clients small sample for quality testing purpose (Sample size form 1-50 grams). Free samples can be provided for some products due to the material cost, Our clients only need to pay the international shipping cost or provide us your Fedex/DHL account number so we can arrange the shipments. so please contact us in details by email for Trade manager on Alibaba online.
Q: How to start orders or make payments?
A: You can send us your Purchase order(PO), or just send a simple confirmation by email or by Trade Manager, after communication then we will send you Proforma Invoice with our bank details for final confirmation, then you can make payment accordingly.
Q: How do we guarantee our products quality?
A: First of all, our quality control system will reduce our quality problem to near zero.We can always provide our certificate of analysis according to every batch of our products.Secondly, we can also provide third party analysis testing due to our clients' requirement.
Lastly, if there is any quality issue caused by us, we will send you free goods for replacement or refund your loss.
Q: How to contact us ?
A: You can contact us through inquiries to message box of any of our products displayed or contact us online on Trade Manager on Alibaba. You can also sent us emails to our company email address or simply call us at anytime!
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com