| Product Name | Letrozole |
| Synonym | Femara,Letrozol |
| CAS | 112809-51-5 |
| MF | C17H11N5 |
| MW | 285.3 |
| Molecular Structure |  |
| Assay | 99% |
| Quality Standards | USP |
| Appearance | White or white crystalline powder |
| Package | 1kg/Foil bag |
| Place of Origin | China |
| Brand Name | Haiwen |
| Certification | ISO9001, ISO14000, KOSHER |
| Model Number | 112809-51-5 |
| MOQ | 10g |
| Ref. Price | USD 2.361/g |
| Packaging Details | 1kg/bag,100grams/bag, 10grams/bag |
| Delivery Time | 1-3 days |
| Payment Terms | T/T, Western union, Money gram |
| Supply Ability | 100KGS/wee |
Letrozole is an oral, anti-estrogen drug that is used for treating postmenopausal women with breast cancer. The growth of some breast cancers in postmenopausal women is promoted by estrogens that circulate in the blood, and the adrenal glands are the main source of these circulating estrogens. Letrozole inhibits the enzyme in the adrenal glands (aromatase) that produces the estrogens, estradiol and estrone. Letrozole was approved by the FDA in 1997.
Letrozole is used treat early breast cancer in women who have experienced menopause (change of life; end of monthly menstrual periods) and who have had other treatments, such as radiation or surgery to remove the tumor. It is also used to treat early breast cancer in women who have experienced menopause and who have already been treated with a medication called tamoxifen (Nolvadex) for 5 years. Letrozole is also used in women who have experienced menopause as a first treatment of breast cancer that has spread within the breast or to other areas of the body or in women whose breast cancer has worsened while they were taking tamoxifen. Letrozole is in a class of medications called nonsteroidal aromatase inhibitors. It works by decreasing the amount of estrogen produced by the body. This can slow or stop the growth of some types of breast cancer cells that need estrogen to grow.
Hjtc (Xiamen) Industry Co., Ltd.
Xiamen Huayongjian Biotechnology Co., Ltd.
Contacts: June & Eason
Whatsapp:+8618206063252; +8618759200098
E-mail: june@steroidpowder-hjtc.com;
eason@steroidpowder-hjtc.com
Web site:https://www.steroidpowder-hjtc.com/
http://www.safeststeroid.com/
http://www.glassviallabels.com/
https://hjtc-printing.en.made-in-china.com/
1). Usual Adult Dose for Breast Cancer:
For use as first-line treatment of postmenopausal women with hormone receptor positive or hormone receptor unknown locally advanced or metastatic breast cancer. Letrozole is also indicated for the treatment of advanced breast cancer in postmenopausal women with disease progression following antiestrogen therapy: 2.5 mg tablet orally administered once a day without regard to meals.
In patients with advanced disease, letrozole therapy should continue until tumor progression is evident.
2). Usual Adult Dose for Breast Cancer -- Adjuvant:
For use as extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of adjuvant tamoxifen therapy: 2.5 mg tablet orally administered once a day without regard to meals.
The optimal duration of treatment with letrozole is not known. Treatment should be discontinued if there is a tumor relapse.
Store letrozole at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom.
Keep letrozole out of the reach of children and away from pets.
| Tests [Appearance] |
Specifications White or off-white crystaline powder |
Results 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 | 182℃-184℃ | 182℃ |
| Related substances | ≤0.5% | 0.3% |
| Single impurity | ≤0.3% | 0.2% |
| Loss on drying | ≤1.0% | 0.8% |
| [Assay]C17H11N5 (On anhydrous basis) |
≥99.0% | 99.2% |
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 5-7 working days.
5. Service: Best Service with after-sales service and consultation
First: Please let me know the items you are looking for, quantity, and the destination country.
Second: You confirm all details, and offer us purchasing order;
Third: We send the detail price of our product and offer the suitable shipping method for reference.
Fourth: You confirm the order and pay money 100% in advance and send us the detailed address.
Fifth: We arrange the shipment according to your requirements.
Sixth: We offer after-sales service after you receive parcel
1. By Express
------Suitable for under 50kg, Fast:3-7 days.
High cost; Door to door service. Easy to pick up the goods.
2. By Air
------Suitable for more than 50 kg, Fast:3-7 days,
High cost, airport to airport. professional broker needed.
3. By sea
------Suitable for more than 500kg. Slow: 5-45 days,
Low cost. Port to Port, professional broker needed.
1. All products will have been strictly Quality Checked in house before pecking.
2. All products will be well packed before shipping.
3. Parcel can be sent out in 24 hours after payment.Tracking number available
4. Secure and discreet shipment.Various transportation methods for your choice.
5. Customs pass rate ≥99%
6. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
| NO. | Product Name | CAS No. |
| TESTOSTERONE SERIES | ||
| 1 | Test enanthate | CAS: 315-37-7 |
| 2 | Testostero | CAS: 58-22-0 |
| 3 | Test acetate | CAS: 1045-69-8 |
| 5 | Test propionate | CAS: 57-85-2 |
| 6 | Test cypionate | CAS: 58-20-8 |
| 7 | Test phenylpropionate | CAS: 1255-49-8 |
| 8 | Test isocaproate | CAS: 15262-86-9 |
| 9 | Test decanoate | CAS: 5721-91-5 |
| 10 | Test Sustanon 250 | |
| 11 | Test undecanoate | CAS: 5949-44-0 |
| 12 | Methyltestosterone | CAS: 65-04-3 |
| 13 | Methyltestosterone | CAS: 58-18-4 |
| 14 | Methyltestosterone | CAS: 1039-17-4 |
| 15 | Turinabol | CAS: 855-19-6 |
| 16 | Oralturinabol | CAS: 2446-23-3 |
| 17 | Mestanolone | CAS: 521-11-9 |
| 18 | Stanolone (androstanolone) | CAS: 521-18-6 |
| 19 | Mesterolone (Proviron) | CAS: 1424-00-6 |
| 20 | Fluoxymesterone (Halotestin) | CAS: 76-43-7 |
| NANDROLONE SERIES | ||
| 21 | Nandrolone | CAS: 434-22-0 |
| 22 | Nandrolone Decanoate (DECA) | CAS: 360-70-3 |
| 23 | Nandrolone Cypionate | CAS: 601-63-8 |
| 24 | Nandrolone Phenypropionate (Durabolin) | CAS: 62-90-8 |
| TRENBOLONE SERIES | ||
| 25 | Trenbolone Acetate (Finaplix H/Revalor-H) | CAS: 10161-34-9 |
| 26 | Trenbolone Enanthate (parabolan) | CAS: 10161-33-8 |
| 27 | Metribolone (Methyltrienolone) | CAS: 965-93-5 |
| 28 | Trenbolone Hexahydrobenzyl Carbonate | CAS: 23454-33-3 |
| 29 | Tibolone | CAS: 5630-53-5 |
| BOLDENONE SERIES | ||
| 30 | Boldenone | CAS: 846-48-0 |
| 31 | Boldenone Undecylenate (Equipoise) | CAS: 13103-34-9 |
| DROSTANOLONE SERIES | ||
| 32 | Drostanolone Propionate (Masteron) | CAS: 521-12-0 |
| 33 | Drostanolone Enanthate | CAS: 472-61-1 |
| 34 | Superdrol Powder (methyl-drostanolone) | CAS: 3381-88-2 |
| DHEA SERIES | ||
| 35 | Epiandrosterone | CAS: 481-29-8 |
| 36 | Dehydroepiandrosterone (DHEA) | CAS: 53-43-0 |
| 37 | Dehydroisoandrosterone 3-acetate | CAS: 853-23-6 |
| 38 | 7-keto DHEA | CAS: 566-19-8 |
| METHENOLONE SERIES (Primobolan) | ||
| 39 | Methenolone Enanthate | CAS: 303-42-4 |
| 40 | Methenolone Acetate | CAS: 434-05-9 |
| ORAL STEROIDS | ||
| 41 | Oxymetholone (Anadrol) | CAS: 434-07-1 |
| 42 | Oxandrolone (Anavar) | CAS: 53-39-4 |
| 43 | Stanozolol (Winstrol) | CAS: 10418-03-8 |
| 44 | Methandrostenolone(Dianabol, methandienone) | CAS: 72-63-9 |
| ANTI-ESTROGEN | ||
| 45 | Androsterone | CAS: 53-41-8 |
| 46 | Tamoxifen Citrate (Nolvadex) | CAS: 54965-24-1 |
| 47 | Clomiphene citrate | CAS: 50-41-9 |
| 48 | Toremifene citrate | CAS: 89778-27-8 |
| 49 | Exemestane(Aromasin) | CAS: 107868-30-4 |
| 50 | Anastrozole (Arimidex) | CAS: 120511-73-1 |
| 51 | Letrazole(Femara) | CAS: 112809-51-5 |
| EPINEPHRINE&THYROXINE | ||
| 52 | T3 | CAS: 55-06-1 |
| 53 | T4 | CAS: 51-48-9 |
| 54 | L-Epinephrine HCl | CAS: 55-31-2 |
| 55 | Epinephrine hydrogen tartrate | CAS: 51-42-3 |
| STEROID INTERMEDIATE | ||
| 56 | 1,4-Androstadienedione | CAS: 897-06-3 |
| 57 | Androstenedione | CAS: 63-05-8 |
| 58 | Methoxydienone | CAS: 2322-77-2 |
| MALE ENHANCEMETN | ||
| 59 | Cialis (Tadalafil) | CAS: 171596-29-5 |
| 60 | Sildenafil citrate | CAS: 171599-83-0 |
| 61 | Sildenafil Mesylate (Sildenafil) | CAS: 139755-83-2 |
| 62 | Sildenafil (Viagra) | CAS: 139755-83-2 |
| 63 | vardenafil (Levitra) | CAS: 831217-01-7 |
| 64 | Avanafil | CAS: 330784-47-9 |
| 65 | Acetildenafil (Hongdenafil) | CAS: 831217-01-7 |
| 68 | Dutasteride | CAS: 164656-23-9 |
| 69 | Finasteride | CAS: 98319-26-7 |
| 70 | Yohimbine HCl | CAS: 65-19-0 |
Q1: Have your Product Quality been Approved by the Third Party Lab?
A: Yes, all the products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France etc. So you will be assured with Good Quality if you choose us.
Q2: How do you treat quality complaint?
A: First of all, our QC department will do the strict examination of our export products by HPLC, UV, GC ,
TLC and so on in order to reduce the quality problem to near zero. If there is a real quality problem, caused by us, we will send you free goods for replacement or refund your loss.
Q3: Do you Accept Sample Order?
A: Yes, we can accept small order from 10g, 100g and 1kg for your evaluation quality of our goods.
Q4: Is there any discount?
A: Yes, for the larger quantity, we always support with better price for our further cooperation.
Q5: Do you accept VISA business credit card?
A: Sorry we don't accept VISA credit card, but we'd like to accept the bank transfer, Western Union, Paypal or Bitcoin.
Q6: How long does it take the goods to arrive?
It is Depending on your location,
For the small order, please expect the 5-7 days by DHL,UPS,TNT, FEDEX, EMS and so on.
For the mass order, please allow the 5-8 days by Air or 20-35 days by Sea.
Q7: Do you have any reshipment policy?
Of course, we have the good after-sale service and re-shipment policy if the parcel lose.
Our long association with our clients has brought great benefits, we always take the upmost care in the packaging of our products. Our clients will confirm this as even they struggle to find them without help at times.
But in spite of our best efforts, it is still possible will seize a small number of packages. In this circumstance we promise reship free to establish a long term relationship with each other.
Q8: Can I get a sample?
A: Of course. For most products, we can provide you a free sample to test the quality, while the shipping cost should be undertook by your side.
We have formed a technology and management team that cooperate closely with some overseas Labs all speak highly of our safe shipping and goods.
please do not hesitate to contact us.
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