Audited Supplier
Factory direct suply NSF certificated kosher certificated melatonin powder
20 years of experience in melatonin production
Luotian Xinpusheng Pharmaceutical Co., Ltd.,one of the main melatonin supplier in China, is located in Luotian Economic Development Zone. Now we are specializing in the R&D, production and technical cooperation of materials of health care products, food additives, APIs and pharmaceutical intermediates.In 2022, the company's sales subsidiary -- WUHAN ABILITY CHEMICAL TECHNOLOGY CO., LTD. -- was established in Wuhan.
Boasting a team of high-caliber researchers and technicians, we, over the years, have been committed to the improvement of new technology of old product and the development of new products.We brought in advanced testing equipments,such as AGILENT HPLC,AGILENT GC,JINGKE UV-visible spectrophotometer,DENVER electronic analytical balance ,OHAUS water content analyzer,etc.We conduct the production strictly in accordance with the GMP standards.
At present, our products, with world-top quality, are well sold in EU, USA and Southeast Asia.Sticking to the principle of "quality & credibility foremost,service & mutual-benefit first", upholding the tenet of "honesty, fairness, cooperation and development" and relying on "flexible" business system, we sincerely provide excellent services to customers all over the world!
| product name | melatonin |
| CAS# | 73-31-4 |
| Standard | USP/EP/BP |
| appearance | off-white powder |
| package | Aluminum foil bag / Carton / Drum |
| certificate | Kosher /HALAL/ Haccp / NSF GMP |
| storage | cool and dry place |
| valid | 24 month |
Technical data sheet ( Our melatonin conform to the latest USP EP standards )
| ITEM | STANDARD | TEST METHOD | |
| Appearance | A white to off-white crystalline powder. | Visual observation | |
| Solubility | Slightly soluble in water,soluble in acetone, ethyl acetate and methanol | USP<1236> | |
| Identification | IR | USP<197K> | |
| UV | USP<197U> | ||
| HPLC | USP<621> | ||
| Chloride and sulfate | 0.02%MAX | USP<221> | |
| Loss on drying | 1.0% MAX | USP<731> | |
| Residue on ignition | 0.1% MAX | USP<281> | |
| Melting range | 117-120ºC | USP<741> | |
| Particle size | ≥98% through 80 mesh | USP<429> | |
| Microorganism | Total Plate Count | 1000 cfu/g MAX | USP<2021> |
| Yeasts & Molds | 100 cfu/g MAX | USP<2021> | |
| E.Coli | Absent/10g | USP<2022> | |
| Salmonella | Absent/10g | USP<2022> | |
| S.aureus | Absent/10g | USP<2022> | |
| Residual solvent | Ethanol | 500ppm MAX | USP<467> |
| Density | Tap density | 0.45g/mL MIN | USP<616> |
| Bulk density | 0.35g/mL MIN | USP<616> | |
| Clarity and degree of opalescence of liquids | Clear in the 1% melatonin solution of ethanol or chloroform | USP<641> | |
| Heavy metals | Total | 10ppm MAX | USP<231> |
| Pb | 1ppm MAX | USP<2232> | |
| As | 1ppm MAX | USP<2232> | |
| Hg | 0.1ppm MAX | USP<2232> | |
| Cd | 0.5ppm MAX | USP<2232> | |
| Related compounds | Individual impurity | 0.1% MAX | USP<621> |
| Total impurity | 1.0% MAX | USP<621> | |
| Assay(on the dried basis) | 98.5~101.5% | USP<621> | |
