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Top quality Levothyroxine sodium with best price 55-03-8
≥1 Gram
$8.33
- Item No.topMOQ1 Gram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Product Description
Product Name levothyroxine sodium
Molecular Formula C15H11I4NNaO4
Molecular Weight 799.8592
CAS Registry Number 55-03-8
EINECS 200-221-4
Certification of Analysis
Test Items | Specification | Test Results |
Appearance | White or off-white powder | white powder |
Identification | UV conform | Conforms |
Organic nitrogenous | Conforms | Conforms |
Citrate | Conforms | Conforms |
Water | Not more than 1.0% | 0.38% |
Heavy water | Not more than 0.002% | Conforms |
Related impuries | Related compound A:Not more than 2.0% | 0.86% |
Individual:Not more than 0.5% | 0.38% | |
(Z)isomer | Conforms | Conforms |
Organicvolatile impuritise | Conforms | Conforms |
Assay | Between98.0~102.0% | 99.2% |
Conclusion | This batch is complies with USP 32. | |
Function&Application
This product is thyroid hormone replacement therapy. Function and application: It is a synthetic sodium salt of IV-thyronine. Its function and application are similar to that of thyroid tablets. Its oral absorption is 50%, its onset is slow, steady and similar to physiological hormone, which is suitable for the substitution therapy of thyroid hormone. For simple goiter, and thyroidectomy after taking, can prevent the recurrence of goiter, but also can be used as a variety of causes of hypothyroidism and other supplementary treatment.
Safety instructions: Do not inhale dust; prevent skin and eye contact.
Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Answer: Yes, we are factory founded on 2002.
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Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: 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.
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.
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