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.58-18-4
A(10-50)Metric Ton
Quality
1. High quality and competitive price.
2. All purity> 99%.
3. We are a manufacturer and can provide high-quality products at ex-factory prices.
Fast and safe delivery.
Delivery
1. The package will be sent out within 24 hours of receiving the remittance.
2. Safe and prudent transportation method for you to choose.
3. Customs pass rate> 99%.
Service
1. Professional service and rich experience make customers feel at ease, sufficient inventory and fast delivery meet their needs.
6. Can provide NMR, HPLC and COA
5. Welcome to order samples.
After-sales
1. Communicate face to face via phone/WeChat/whatsapp/skype. We are experts and your friends!
2. Market feedback and product feedback will be greatly appreciated. It is our responsibility to meet customer requirements.
3. Doublewin company exports the goods to many countries and regions at reasonable prices. If you are interested, please do not hesitate to send us an inquiry!
COA
| Test Items | Specification | Test Results |
| Identification | TLC | Positive |
| UV spectrum | Positive | |
| IR spectrum | Positive | |
| Characteristics | White to almost white crystalline powder | Conform |
| Melting point | 162~168ºC | 152~166ºC |
| Specific optical rotation | +79°~ +85° | +82.5° |
| Loss on drying | ≤2.0% | 1.00% |
| Assay | 97~103% | 99.20% |
| Related substances | ≤1.0% | Pass |
How to use 17-Methyltestosterone
17-Methyltestosterone,Take this medication by mouth with or without food, usually 1 to 4 times a day, as directed by your doctor.Dosage is based on your medical condition, testosterone blood levels, and response to treatment.
17-Methyltestosterone,Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same times each day.
17-Methyltestosterone,Do not suddenly stop using methyltestosterone if you have been using it regularly for an extended time or if it has been used in high doses. In such cases, your body will no longer make its own testosterone, and withdrawal reactions (such as tiredness, weakness, depression) may occur. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions immediately.