Sildenafil powder CAS 139755-83-2, chemically known as 1-[[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-methoxyphenyl]sulfonyl]-4-methylpiperazine, is a white to off-white crystalline powder, odorless, and slightly soluble in water, easily soluble in methanol and ethanol. It is a key raw material in male health supplements, widely used in the production of capsules, tablets, and oral liquids. Sildenafil works by inhibiting the activity of phosphodiesterase type 5 (PDE5), which increases the level of cyclic guanosine monophosphate (cGMP) in smooth muscle cells, relaxing the smooth muscles of the corpus cavernosum, promoting blood flow, and helping to improve male sexual function. Our Sildenafil raw material is produced through advanced synthesis technology, with strict quality control throughout the production process, ensuring that each batch of products meets the highest standards of purity and stability. Unlike other suppliers, our product has no obvious impurities, low heavy metal content (≤10ppm), and stable chemical properties, which can effectively improve the quality and efficacy of your final products. It is suitable for various male health supplement formulations, and can be used alone or mixed with other raw materials such as tadalafil and vardenafil to enhance the effect.
With the increasing demand for male health products in the global market, Sildenafil has become one of the most popular raw materials in the industry. Our product is not only suitable for large-scale production of health supplements but also for small-batch customization, meeting the diverse needs of different customers. Whether you are a large-scale pharmaceutical manufacturer, a medium-sized health product company, or a small-scale cross-border e-commerce seller, our Sildenafil raw material can provide you with high-quality, cost-effective solutions to help you gain an advantage in the fierce market competition.
Specification & Parameters
|
Parameter Name |
Specification |
Test Method |
|
CAS Number |
139755-83-2 |
HPLC |
|
Molecular Formula |
C22H30N6O4S |
Elemental Analysis |
|
Molecular Weight |
474.58 |
Molecular Weight Calculation |
|
Purity |
≥99.0% |
HPLC |
|
Appearance |
White to off-white crystalline powder |
Visual Inspection |
|
Melting Point |
187-190℃ |
Melting Point Tester |
|
Loss on Drying |
≤0.5% |
105℃, 2h |
|
Heavy Metal Content |
≤10ppm |
Atomic Absorption Spectrometry |
|
Residue on Ignition |
≤0.1% |
Ignition Method |
|
Solubility |
Slightly soluble in water, soluble in methanol and ethanol |
Solubility Test |
|
Storage Condition |
Store in a cool, dry, and well-ventilated place, away from light and moisture |
Storage Test |
|
Shelf Life |
24 months (under proper storage condition) |
Stability Test |
Advantages & Features
High Purity & Safety:
Purity ≥99%, no harmful impurities, heavy metal content ≤10ppm, in line with international pharmaceutical standards. Strict quality control from raw material selection to production, ensuring product safety and effectiveness, reducing the risk of side effects in the final product.
Stable Quality & Supply
Adopting advanced synthesis technology and automated production lines, the product quality is stable, and the batch-to-batch difference is small. We have a large-scale production base with a monthly output of 5000kg, which can meet the bulk procurement needs of customers and ensure on-time delivery.
Competitive Price
Factory-direct sales, no middlemen, directly reducing procurement costs for customers. We provide flexible pricing according to the order quantity, and the more you buy, the more favorable the price. For long-term cooperative customers, we also offer additional discounts and preferential policies.
Complete Certification & Compliance
Equipped with ISO9001, GMP, COA, MSDS, and other relevant certifications, compliant with EU, US, and Asian market regulations, helping customers quickly pass customs clearance and market access inspections.
Flexible Customization
We provide one-stop customization services, including product particle size, packaging, and label customization, to meet the diverse needs of different customers. Whether you need small-batch trial orders or large-scale bulk orders, we can provide personalized solutions.
Easy to Use & Formulate
The product is a white crystalline powder with good solubility and stability, easy to mix with other raw materials, and suitable for various formulation processes such as capsules, tablets, and oral liquids, reducing the difficulty of product development for customers.
Frequently Asked Questions
Q1: What is the minimum order quantity (MOQ) for your Sildenafil powder?
A1: Our MOQ is 1kg, which is suitable for small-batch trial orders. For large-batch orders (≥100kg), we provide more favorable prices and preferential policies.
Q2: How long is the delivery time?
A2: For in-stock products, the delivery time is 3-7 working days; for customized products or large-batch orders, the delivery time is 7-15 working days, depending on the order quantity and customization requirements.
Q3: Do you provide samples? Is the sample free?
A3: Yes, we provide free samples (10-50g) for customers to test. The customer only needs to bear the shipping cost, and we will send the sample as soon as possible after receiving the shipping cost.
Q4: What certifications do you have?
A4: We have ISO9001 quality management system certification, GMP production certification, and can provide COA, MSDS, and third-party testing reports (SGS, Intertek) for each batch of products.
Q5: Is your product compliant with EU/US market regulations?
A5: Yes, our Sildenafil raw material meets EU and US pharmaceutical standards, with no harmful impurities, and can pass customs clearance and market access inspections in EU and US markets.
Q6: How to store the product?
A6: The product should be stored in a cool, dry, and well-ventilated place, away from light and moisture, at a temperature of 2-8℃. Under proper storage conditions, the shelf life is 24 months.
Q7: Can you provide customization services?
A7: Yes, we provide one-stop customization services, including product particle size, packaging, label customization, and formulation technical support, to meet the diverse needs of customers.
Q8: What payment methods do you support?
A8: We support multiple payment methods, including T/T (telegraphic transfer), L/C (letter of credit), PayPal, Western Union, etc., ensuring the safety of customer funds.
Q9: What if there is a quality problem with the product?
A9: If the product has quality problems (such as purity not meeting the standard, impurities exceeding the limit), we will provide a full refund or replacement, and bear the relevant shipping costs, ensuring the interests of customers.
Q10: Do you have export experience?
A10: Yes, we have 10+ years of export experience, and our products are exported to more than 50 countries and regions. We are familiar with the export procedures and customs clearance requirements of various countries, and can provide professional export services.

