Sibutramine Hydrochloride (CAS No. 84485-00-7): Appears as a white crystalline powder with 99% purity. Upon ordering, we can provide a test report, a Certificate of Analysis (COA), and third-party laboratory test results to ensure product quality. This substance acts as a dual inhibitor of the reuptake of serotonin (5-HT) and norepinephrine (NE). Its mechanism of action involves inhibiting the reuptake of 5-HT and NE at the presynaptic membrane, thereby increasing the concentrations of these neurotransmitters within the central nervous system. This produces a dual pharmacological effect: it enhances signaling in the satiety center of the hypothalamus-suppressing appetite and reducing caloric intake-while simultaneously promoting thermogenesis in brown adipose tissue, which raises the basal metabolic rate and increases energy expenditure. Sibutramine hydrochloride is recognized as a weight-loss agent; it is indicated for individuals with obesity who have been unable to achieve effective weight control through diet and exercise. It is specifically intended for the obese population and should be used under the guidance of a physician, in conjunction with a low-calorie diet and regular physical activity.

Product Description and Specifications
Our company has long specialized in the field of weight-loss ingredients-specifically sibutramine hydrochloride-integrating R&D, production, and sales. We provide a consistent supply of compliant ingredients for weight management. Backed by a professional R&D team and standardized production facilities, we maintain strict quality control across the entire supply chain-from the selection of raw materials and synthesis processes to the final testing of finished products-ensuring that every batch is stable, reliable, and fully compliant with relevant regulatory standards.
Our product portfolio encompasses a variety of functional ingredients, which are widely used in meal-replacement products, dietary supplements, and weight-management nutritional goods. We offer one-stop solutions for domestic and international brand clients, ranging from formula optimization to large-scale supply. With a nationwide sales network and an efficient logistics system, our products are exported to overseas markets, and we have established long-term, stable partnerships with numerous well-known brands.
Parameters
| Name | Sibutramine hydrochloride |
| Chemical Name | (±)-N-{1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl}-N,N-dimethylamine hydrochloride monohydrate |
| Chemical Formula | C17H26ClN |
| Molecular Weight | 279.848 |
| Assay | 99% |
| CAS Number | 84485-00-7 |
| Appearance | White crystalline powder; odorless, slightly bitter taste |
| Solubility | Highly soluble in methanol and ethanol; slightly soluble in water |
| Analytical Method | High-Performance Liquid Chromatography (HPLC) |
| Identification Methods | HPLC; Mass Spectrometry (characteristic ion |
| Stereostructure | Racemic mixture (an equimolar mixture of R and S enantiomers); optically inactive |
| Melting Point | 193–195.5°C (monohydrate); converts to the anhydrous form upon heating at 105°C for 2 hours (loss of water of crystallization) |
| UV Characteristics | Maximum UV absorption in an ethanol solution occurs at 223 nm (a characteristic wavelength for identification) |
| Octanol-Water Partition Coefficient (LogP) | 30.9 (at pH 5.0); indicates high lipophilicity |
Storage Conditions: Store in a tightly closed container, protected from light, in a cool, dry place; avoid high temperatures and moisture
- Highly soluble: Methanol, ethanol
- Soluble: Isopropanol
- Poorly soluble: n-Hexane, petroleum ether
1. Loss on Drying: 4.8–5.2% (theoretical value for water of crystallization); this test is used to confirm the monohydrate form
2. Residue on Ignition: ≤0.1%
3. Heavy Metals: Lead (Pb) ≤10 ppm
4. Related Substances: Individual impurity ≤0.2%; total impurities ≤1.0%

What are the effects of Sibutramine Hydrochloride?
Boosts Metabolism
Boosts metabolism, promotes thermogenesis in the body, increases basal metabolic rate, and enhances energy expenditure.
Dual Regulation of Appetite Neurotransmitters
Dual regulation of appetite neurotransmitters, reducing caloric intake while increasing energy expenditure to achieve weight loss results.
For Individuals Who Struggle with Diet Control
Used for obese individuals who have a poor response to diet and exercise interventions, assisting in weight management.
Increases Satiety
Enhances central satiety signals, effectively increases satiety, reduces the desire to eat, and decreases caloric intake.
Auxiliary Functions:
Can assist in reducing the weight of obese patients and lowering body mass index.
Reduces Craving for High-Calorie Foods
Diminishes the craving for high-calorie foods, reducing the desire to consume sweets and high-fat foods.
Product Application Areas

1. Pharmaceutical Sector: Used as an active ingredient in weight-loss medications for weight management in cases of simple obesity.
2. Scientific Research and Testing: Serves as a laboratory reference standard for physicochemical analysis and screening.
3. Pharmacological Research: Utilized in studies investigating the mechanisms of central neurotransmitters in animal models.
4. Analytical Methodology: Employed in the development and validation of analytical methods, including liquid chromatography (LC) and liquid chromatography-mass spectrometry (LC-MS).
5. Compressed Confectionery: Used as an ingredient in the formulation of tablets and chewable candies designed for healthy weight management.
6. Formulation R&D Services: Provides customized compound formulations for brands, including the design of ingredient solutions.
Testing Methods
1. High-Performance Liquid Chromatography (HPLC): Used to quantify the content of active ingredients and related impurities in raw materials, serving as a quantitative measure of purity.
2. Liquid Chromatography-Mass Spectrometry (LC-MS): A highly sensitive method for qualitative screening, used to detect trace amounts of harmful residues and illicit additives.
3. Gas Chromatography (GC): Used to detect residual solvents and volatile impurities, ensuring the safety of solvents present in raw materials.
4. Ultraviolet (UV) Spectrophotometry: Used for the rapid identification of characteristic absorption peaks, enabling a preliminary assessment of the authenticity of raw materials.
5. Physicochemical Titration Analysis: Used to determine fundamental physicochemical parameters, such as loss on drying, residue on ignition, and heavy metal content.
6. Microbiological Testing: Used to assess the microbiological safety of raw materials by determining the total aerobic microbial count and the presence of molds and yeasts.
7. Infrared (IR) Spectroscopy: Used for the qualitative identification and confirmation of raw materials by comparing their characteristic infrared spectra.
Product Advantages
1. High raw material purity with excellent batch-to-batch consistency and minimal content variance, making it well-suited for large-scale production.
2. Strict quality control throughout the entire process; comprehensive documentation-including COAs and MSDSs-is available.
3. Excellent solubility, compatible with various dosage forms such as powders, tablets, and solid beverages.
4. Custom blending services available; we can formulate tailored weight-management ingredient combinations to meet specific client requirements.
5. Substantial inventory and short lead times, capable of fulfilling large-volume export orders.
6. A professional technical team provides formulation support to assist clients in the successful development and launch of their products.
Packaging and Logistics
1. Standard inner packaging consists of sealed aluminum foil bags, which are light-proof and oxygen-impermeable, ensuring the stability of the raw materials during storage.
2. The outer packaging utilizes reinforced cardboard drums, offering high resistance to compression and impact-ideal for long-distance ocean freight.
3. Flexible packaging options are available, ranging from small samples and trial-run quantities to bulk, ton-scale shipments.
4. Each package is labeled with essential product information, including the product name, batch number, net weight, and date of manufacture.
5. Custom shipping marks can be applied to the outer packaging to meet specific export customs declaration and verification requirements.
6. Products are stored in a temperature-controlled, dry environment, protected from moisture and light; a final quality check is performed before dispatch.
7. For domestic shipments, we offer both full-truckload (FTL) and less-than-truckload (LTL) transport options to meet specific delivery timelines.
8. For exports, we provide sea and air freight solutions, leveraging established freight forwarders to manage cross-border logistics.
9. Goods are securely reinforced and protected to minimize the risk of damage or leakage during transit.
10. The entire logistics process is trackable, with shipping documents-such as bills of lading and waybills-provided promptly.
After-Sales Service
1. A full set of documentation, including the COA and MSDS, is provided upon shipment to assist with customs clearance and product registration.
2. A dedicated representative follows up after delivery to provide timely technical support regarding the use of raw materials.
3. In the event of a quality-related concern, we promptly verify the relevant batch records and conduct a thorough re-evaluation.
4. In the event of damage during transit, we will work with you to verify the issue and reach an appropriate resolution.
5. For long-term clients, we offer guidance on formulation and application to help resolve challenges related to production compatibility.
6. We maintain client profiles and conduct regular follow-ups to ensure a seamless process for future reorders.
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