Doublewin Biological Technology Co., Ltd.(expird)
Free supplier Enterprise Certification
- Free
supplier - 4th
years
Free supplier Enterprise Certification
Business Type:Lab/Research institutions
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Lab/Research institutions
CAS NO.139755-91-2
1. We have experience in exporting steroids, as you know, EU places much emphasis on them, and you must find a experienced partner who will assure you;
2. Quality: Our company is a professional leading factory in China in pharmaceutical area, We had stable customers and exported to Germany, Spain, UK, USA, Australia, Middle East, and any other countries. We can provide good references about our company. As for the quality of the products, we 're sure they can satisfy you well enough;
3. Package: Professional packing with professional materials
4. Delivery: We have products in stock, and we will deliver them soon when your PO arrived.
Meanwhile we will give you the tracking number in order to make you know the exact location of the products. We will keep track of the product until they arrive you; We choose the best courier service for you, and with the delivery around 4-7 working days.
5. Service: Best Service with after-sales service and consultation.
Sildenafil Mesylate
ProName: High quality Sildenafil Mesylate99%
CasNo: 139755-91-2
Appearance: White powder
Application: pharmaceutical material
Molecular Formula: C22H30B6O4S
Molecular Weight: 570
Usage:
pharmaceutical material, hormone. As a cyclic guanosine monophosphate (cGMP) specific phosphodiesterase type 5 (PDE5) selective inhibitor, penile smooth muscle relaxation allows rapid erection. Sildenafil is cheap, is the development and production of low-cost classes available kidney yang-like the perfect material for medicine and health products.
Categories: Active Pharmaceutical Ingredients; Miscellaneous Biochemicals; Sildenafil; Erectile Dysfunction
Applications:
In 16 separate 4-24 week trials of men (over 18 years old) who suffered from impotence for longer than 6 months, dosages between 10-200 mgs were administered. Significant improvements in erectile function, including frequency of penetration as well as erection duration post penetration, were reported with Sildenfi* treatment compared to the placebo group.
Erections were improved in 72% of group verses 18% of the placebo group. In all cases effects were dependant upon dosage and improvement was the greatest when dosage exceeded 100 mgs. Responses were decreased by 40-60% in patients suffering from diabetes and prostatectomy, respectively. Withdrawal rates were less than 5% related to negative side effects and limited response rates.
| COA of Sildenafil Mesylate | ||
| Tests | Specifications | Result |
| Description | White or almost white crystalline powder | White crystalline powder |
| Solubility | Water & Ethanol | Complies |
| HPLC | Comply with standard | Complies |
| A292/A227 | 2.28~2.42 | 2.36 |
| IR | IR should comply with the reference standard spectrum | Complies |
| citrate | Positive | Complies |
| Acidity | 3.0~5.0 | 3.63 |
| Loss on Drying | ≤1.0% | 0.32% |
| Residue on ignition | ≤0.1% | 0.04% |
| Heavy Metals | ≤10ppm | Complies |
| Relevant Impurity | ≤0.5% | 0.28% |
| Methanol | ≤0.3% | 0.02% |
| Methylene dichloride | ≤0.06% | 0.02% |
| N,N-Dimethyl formamide | ≤0.088% | Complies |
| Assay | 98.0~99.9% | 99.10% |
Our Competitive Advantage:
Professional Manufacture: Our company is a legit and professional pharmaceutical manufacturer specialized in steroid hormone powders, steroid injectable liquids, peptides,pharmaceutical raw materials & its intermediate. Our company integrates R&D,
producing, operating and marketing into an organic whole. All products are produced under
GMP conditions according to Standard Operation Procedure(SOP),not from little underground labs or black markets, so the quality is guaranteed. We have authority of export and import, and have experience of export for more than 10 years.
Minimum Order: 10-100 grams.our min packing of each powder is 10g or 100g, but some expensive powder can be bought at several grams.
Payment Method: ,Money Gram,T/T.
Professional Delivery: By courier ( EMS, DHL, Fedex, UPS,TNT) is prefered, bulk order can be negotiated.5-7 business days delivery in timely manner. Tracking No. is available ,we can provide you latest tracking of our customers to check validity of delivery if you need.
Discreetly Packing: Safe and professional disguised package can be guaranteed.
Plenty In Stock: Most of powders are in stock.We export over 1000 kilograms of steroid powder per month.
High Delivery Rate: Our goods packing will not contain any hormone information and can be sent out from different areas of china. At present,the goods customs clearance rate we send to United states and Europe is 99%, As for Canada, Brazil of quite high buckle close rate area, we also have a new way to get through the customs. We also have completely re-send policy to some areas.