Factory Supply 99% Purity Dexamethasone price CAS 50 02 2

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Factory Supply 99% Purity Dexamethasone price CAS 50-02-2 Introduction
Product name	Dexamethasone
CAS no	50-02-2
Molecular formula	C22H29FO5
Molecular weight	392.46100
Accurate quality	392.20000
PSA	94.83000
LogP	1.89570
Application Dexamethasone (Dexamethasone, DXMS for short) is a synthetic corticosteroid, can be used to treat a variety of symptoms, include rheumatic diseases (English: rheumatology), some skin diseases, severe allergies, asthma, chronic obstructive pulmonary disease (copd), membranous, laryngitis, cerebral edema (English: cerebral edema), may also be used for patients with tuberculosis (TB) in combination with antibiotics.For adrenocortical insufficiency (English: adrenocortical insufficiency) of the patients and served with salt cortical hormone drugs, such as the rich can ingot (English: fludrocortisone) and so on.Use of dexamethasone in premature infants improves prognosis.It usually starts to work within a day and lasts about three days.Long-term use of dexamethasone can lead to candidiasis, bone loss, cataracts, bruising, or muscle  Preparation method A new method of dexamethasone 21 - hydroxyl content of the production process, intermediate 21 - acetate as the substrate, with a moderate amount of methanol containing 0 ~ 10% chloroform as solvent to half dissolved substrate for hydrolysis reaction with alkali as the catalyst, and reaction with acetic acid neutralization after completely, condensed the reaction liquid pressure to moderate volume, cooling, filtering, flush filter cake, dry 21 - hydroxyl content.The process can shorten the production cycle, improve the quality and yield of 21-hydroxyl compounds, and reduce the content of impurities in 21-hydroxyl compounds.

 

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Our Factory

MK Biotechnology Co., Ltd. is a high-tech corporation, which is specialized in Human Nutritional products and APIs. We integrate scientific research, development and production into an organic whole. Since our foundation, we have been committing ourselves to the manufacture, marketing and R&D of active pharmaceutical ingredients and pharmaceutical intermediates. 

We offer our best services to our customers all over the world. We have established close cooperative relationships with reliable domestic and overseas partners to produce and source new products, starting materials and intermediates. We also hope that with our continuous efforts, we can extend our business to the whole world.

 

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FAQ

Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).

Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What’s your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6:Is there a discount?
A:Different quantity has different discount.

Q7: How do you treat quality complaint?
A:First of all, our quality control will 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.

Q8: How to contact us ?
A:You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.