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.112809-51-5
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.
Specification:
| Femara Assay | 99% |
| Femara Molecular formula | C17H11N5 |
| Femara Molecular weight | 285.3 |
| Femara Appearance | White power |
| Femara Supply ability | 5000kg/month |
| Femara Quality standard | Enterprise Standard. |
| Femara Minimum order | 10g |
| Femara Storage | Shading, confined preservation |
Application:
1) Femara/Letrozol useful in pretreatment for termination of pregnancy, in combination with misoprostol and It can be used in place of mifepristone.
2) Femara/Letrozol has been used for ovarian stimulation by fertility doctors
3) Femara/Letrozol is sometimes used as a treatment for gynecomastia
4) Femara/Letrozol has been shown effective in one adolescent boy with a short stature..
5) Femara is used for the treatment of post-menopause breast cancer.
COA :
| Tests | Specifications | Results |
| Appearance | White or off-white crystaline powder | White Crystalline powder |
| Solubility | Soluble in Chloroform; Soluble in ethanol when heated |
Conform |
| ldentification | (1)Maximum absorption in wavelength of 240 nm Minimum absorption in wavelength of 215 nm |
Conform Conform |
| (2)Infrared spectrum should be in accordance the dominant peak of contrast | In accordance with the dominant peak of contrast | |
| Melting points | 182ºC-184ºC | 182ºC |
| Related substances | ≤0.5% | 0.3% |
| Single impurity | ≤0.3% | 0.2% |
| Loss on drying | ≤1.0% | 0.8% |
| [Assay]C17H11N5 (On anhydrous basis) |
≥98.0% | 99.2% |
| Conclusion | Conforms Specifications of Enterprise Standard. | |
Our Competitive Advantages:
1. Rich experience: we specialize in this field for many years, our steroids have been exported almost over the world. Such as USA, Canada, UK, Brazil, Germany, Russia, Australia, Greece, Poland, Bulgaria, Rumania, Netherlands, Sweden, Ukraine, Latvia, Lithuania, Ireland, Austria, Iran, Turkey, Mexico, Thailand, India, Malaysia, Singapore, other Middle East countries, European countries, American countries and more Areas.
2. Great quality: High purity and Favorable price. Good quality is the first base of our success. All of our products enjoys high purity. Thus, it can make sure your demand. Welcome order the samples, MOQ just 10 grams.
3. Safe and fast delivery: Lots of different discreet safe packing methods, experience in choosing express, 4~7 days to arrive, successful rate 99%.
4. Experiential order and cooperation: Besides raw powders, we offer hormone solution and Recipes. We can teach you or discuss how to make hormone solution on the site. Any discussion and question is welcome!