Whatsapp+8615512120776 Popular product 99% Purity Bevacizumab CAS 216974-75-3 Bevacizumab powder from factory

216974-75-3 Bevacizumab / whatsapp +8615512120776

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Biological Agents   Chemical Enterprise


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Product Description


Fast delivery 99% Purity Bevacizumab CAS 216974-75-3 Bevacizumab powder from factory

Factory Supply Antiviral API 99% CAS 259793-96-9 Favipiravir Powder with Fast and Safe Delivery

Bevacizumab, a humanized IgG1 monoclonal antibody against vascular endothelial growth factor (VEGF), inhibits tumor angiogenesis and delays disease progression. It was launched in the US as an intravenous infusion for the treatment of metastatic colorectal cancer in combination with fluorouracil-based chemotherapy. Bevacizumab was developed by engineering the VEGF binding residues of the murine neutralizing antibody A.4.6.1 into the framework of the consensus human IgG1. Its amino acid sequence is approximately 93% human IgG and 7% murine antibody and is produced in a CHO cell expression system. Bevacizumab binds VEGF with high affinity (Kd=0.5 nM) and prevents its interaction with tyrosine kinase receptors VEGFR1 and VEGFR2 on the surface of endothelial cells, thereby inhibiting cell proliferation and microvascular growth. In mouse models, administration of bevacizumab blocked the growth of human tumor xenografts and reduced the size and number of metastases. The recommended dosage of bevacizumab is 5 mg/kg administered once every 2 weeks as an intravenous infusion until disease progression is detected. Based on a population pharmacokinetic analysis of patients who received 1–20 mg/kg of bevacizumab once every 1–3 weeks, the estimated half-life was approximately 20 days, and the predicted time to reach steady state was 100 days. The maximum and minimum steady-state serum concentrations at 2.5 mg/kg/week dose were 226 and 88 μg/mL, respectively. Clearance of bevacizumab is low, and varies with body weight, gender and tumor burden. In patients with colorectal cancer receiving bevacizumab 5–10 mg/kg in combination with fluorouracil and leucovorin, mean total clearance was 2.79 ml/kg/day. In clinical studies involving the administration of bevacizumab (5 mg/kg every 2 weeks) or placebo in addition to bolus-IFL (irinotecan 125 mg/m2 i.v., 5-fluorouracil 500 mg/ m2 i.v., and leucovorin 20 mg/m2 i.v. administered once weekly for four weeks every six weeks), the median overall survival was significantly increased from 15.6 months in the bolus IFL + placebo arm to 20.3 months in the bolus IFL + bevacizumab arm. Similar increases were also seen in progression-free survival (6.4 versus 10.6 months), overall response rate (35% versus 45%), and duration of response (7.1 months versus 10.4 months). The most common adverse events in these trials were hypertension, diarrhea and leucopenia. Other clinically significant adverse events reported occasionally were gastrointestinal perforations, thromboembolic events, bleeding and proteinuria. Because wound healing may be impaired by inhibition of VEGF, bevacizumab therapy is not recommended until 28 days after primary surgery.

Product Name: Bevacizumab
Synonyms: Avastin;BevacizuMab [USAN:INN];Anti-vegf monoclonal antibody;Bevacizumab;Immunoglobulin G1, anti-(human vascular endothelial growth factor) (human-mouse monoclonal rhumab-vegf gamma1-chain), disulfide with human-mouse monoclonal rhumab-vegf light chain, dimer;Rhumab-vegf;Unii-2S9zzm9Q9v;Avastatin
CAS: 216974-75-3
MF: C6638H10160N1720O2108S44
MW: 0
EINECS: 200-160-3

Factory Supply Antiviral API 99% CAS 259793-96-9 Favipiravir Powder with Fast and Safe Delivery

Factory Price 4-Methyl-2-Pentanamine Hydrochloride / 1, 3-Dimethylbutylamine Hydrochloride CAS 71776-70-0

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Our company is located in the center of politics, military, economy, culture and science and education in South China.We are a professional manufacturer engaged in the research, development, production, sales and service of surfactants, biological agents, organic chemistry, oilfield chemicals and disinfectant raw materials.We can offer a wide range of products to meet the changing needs of the market.Custom orders are welcome.We are committed to strict quality control and thoughtful customer service, and our experienced staff are always available to discuss your requirements and ensure complete customer satisfaction.With an annual production capacity of 10,000 tons/year, we can easily meet your large orders.If you are interested in any of our products or would like to place a custom order, please contact us.We will do our best to meet your needs.


Q1. Can I have a sample order for your products?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. We provide free samples, but the freight will be borne by you, and the cost will be returned to you or deducted from your order later.
Q2. What about the lead time?
A:Sample needs 1-3 days, mass production time needs 1-2 weeks.
Q3. Do you have any MOQ limit for order?
A: Low MOQ, 10-100g for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5. How about the packing?
A: Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
Q6: how do you control quality?
A: We will make samples before mass production and start mass production after sample approval. 100% inspection during production and random inspection before packaging.
Q7: how to contact us?
A: Pls send us the product information you are interested in. You will get a reply within 24hours.
Q8: which payment method do you accept?
A: For small orders, you can pay by wire transfer, Western Union, Moneygram transfer, Bank Tansfer, Bitcoin or Alibaba.
Q9: can you give me a discount?
A: Of course, it depends on your quantity
Q10: how to confirm product quality before placing an order?
A: you can get free samples for some products. You only need to pay for transportation or arrange express delivery to take samples for us. You can send us your product specifications and requirements. We will make products according to your requirements.
Q11: how do you deal with quality complaints?
A: first of all, our quality control will reduce the quality problem to nearly zero. If the actual quality problem is caused by
us, we will send you free goods for replacement or refund.
Q12: Are you trading company or manufacturer?
A: We are chemical factory in China. So we can provide wholesale price.

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