Pharmaceutical Grade Melatonin Powder Bulk Supply Manufacturer

• Customization: Available
• CAS No.: 73-31-4
• Formula: C13h16n2o2
• Model NO.: USP
• EINECS: 200-797-7
• Packaging Material: Double PE Bags Inside, Fiber Drum Outside
• Storage Method: Normal
• Shelf Life: >12 Months, 24 Months
• Nutrient Composition: Melatonin
• Resource: Synthetic
• The content of active substances: ＞90%
• Grade: Food Grade / USP/ Ep(Optional)
• Appearance: White or off-White Crystalline Powder
• Transport Package: 1 Kg / Aluminum Foil Bag, 25 Kg / Fiber Drum
• Specification: 0.38*0.38*0.38
• Trademark: SHOUCHENGBIO
• Origin: China

Product Description

Basic Information

Product Name:Melatonin 

CAS No.: 73-31-4
Molecular Formula: C13H16N2O2
EINECS No.: 200-797-7
Appearance: White or off-white crystalline powder
Assay (Purity): ≥ 99%
Source: Synthetic
Grade: Food Grade / USP / EP (optional)

Storage: Store in a cool, dry place, protected from light
Shelf Life: 24 months 

Product Overview
Melatonin is a naturally occurring hormone involved in regulating the sleep–wake cycle.
Our Melatonin Powder is a high-purity synthetic ingredient, widely used in dietary supplements and nutraceutical formulations for sleep support products.

Manufactured under strict quality control standards, our melatonin raw material is suitable for global markets and bulk supply.

Product Advantages

Applications

High purity melatonin ≥ 99%
Stable quality, suitable for bulk production
Neutral taste and good compatibility in formulations
Strict QC with COA for each batch
OEM & private label support available

Dietary supplements
Sleep support formulations
Nutraceutical products
Capsules, tablets, gummies, powders

Specification

Product Name	Melatonin	Batch No.	SC250927
CAS #	73-31-4	Chemical formula	C13H16N2O2
Molecular Weight	232.28	Chemical name	N-Acetyl-5-methoxytryptamine
Test Date	2025.09.27	Report Date	2025.10.04
Mfg Date	2025.09.27	Expire Date	2027.09.26
Items		Specifications	Results	Method
CHARACTERISTICS		WHITE or OFF-WHITE CRYSTALLINE POWDER	Off-white powder	Visual
IDENTIFICATION		INFRARED ABSORPTION	Conforms	IR
		ULTRAVIOLET ABSORPTION	Conforms	UV
		HPLC IDENTIFICATION TEST	Conforms	HPLC
MELTING POINT℃		116-120	118.3	USP<741>
ASSAY(On dry basis)%		98.5-101.5	99.77	HPLC
INDIVIDUAL IMPURITIES%		NMT0.1	0.01	HPLC
TOTAL IMPURITIES%		NMT0.5	0.01	HPLC
LOSS ON DRYING %		NMT0.5	0.08	USP<731>
RESIDUE ON IGNITION%		NMT0.1	0.06	USP<281>
CHLORIDE%		NMT0.02	<0.02	USP<221>
RESIDUAL SOLVENTS ppm		NMT 1000	42	GC
HEAVY METALS ppm		NMT 10	Conforms	CP2020<0821>
Pb ppm		NMT 2.0	Conforms	ICP-MS
As ppm		NMT 1.0	Conforms	ICP-MS
Cd ppm		NMT 1.0	Conforms	ICP-MS
Hg ppm		NMT 0.1	Conforms	ICP-MS
TOTAL AEROBIC BACTERIA CFU/g		NMT 1000	<10	GB4789.2
YEAST & MOLD CFU/g		NMT 50	<10	GB4789.15
COLIFORM GROUP MPN/g		NMT 0.92	<0.3	GB4789.3
E.Coli./g		ABSENT/25	ND	GB4789.38
SALMONELLA/g		ABSENT/25	ND	GB4789.4
STAPHYLOCOCCUS/g		ABSENT/25	ND	GB4789.10
Conclusion		This product complies with USP43,EP10,BPstandard.
Storage	Airtight and dry storage.Stay away from bright lights and heat sources.
Remarks	*Non-Irradiation *Non ETO Treatment *Non Excipients *GMO Free

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