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Hot selling high quality Brimonidine D-tartrate 70359-46-5
1-9 Kilogram
$2,706.30
≥ 10 Kilogram
$2,460.30
- Item No.SM933MOQ1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
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.
Brimonidine is a drug used to treat open-angle glaucoma or ocular hypertension.
It acts via decreasing synthesis of aqueous humor, and increasing the amount that drains from the eye through uveoscleral outflow. As a treatment for glaucoma, it is usually given in eyedrop form.
ITEMS | SPECIFICATION | RESULTS |
Appearance | Off-white or slight yellow crystalline powder | Conforms |
Solubility | Sparingly soluble in water, insoluble in methanol, acetone | Conforms |
Identification a) IR b) Retention time(HPLC) |
Conforms to standard Conforms to standard |
Conforms Conforms |
Appearance of solution | The solution is not more opalescent than reference suspension I and not more intensely colored than reference solution Y7(1 in 10 carbon dioxide-free water R ) |
conforms |
Melting Point | 204-209ºC | 205.3-207.2 ºC |
PH
| 3-4 (i in 10 carbon dioxide-free water R) | 3.2 |
Loss on drying | ≤0.5%at 100ºC to the constant weight | 0.04% |
Sulphated Ash | ≤0.1% | 0.01% |
Heavy metals | ≤20ppm | <20ppm |
Related substances
| Single impurities≤0.5% Total impurity≤1.0% | 0.08% 0.15% |
Residual solvents | Ethanol: ≤ 0.5%; Acetone:≤ 0.5% | Conforms |
Specific Rotation | +9.0° to +10.5° | +9.8° |
Purity | 99.0-101.0%(C11H10Br5.C4H6O6) ( on dry basis) | 99.85% |
CONCLUSION: | The product complies with enterprise standard | |
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
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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