Product Details
Test | Specification |
Appearance | White or almost white, crystalline powder. |
Solubility | Very soluble in, freely soluble in methylene chloride and in N,N-dimethylformamide, slightly soluble in acetonitrile. |
Melting point | °C |
Chemical reaction | It gives reaction (a) of chlorides |
IR | The IR spectrum of the sample should match that of the Reference Standard. |
HPLC | The principal peak in the chromatogram obtained with the sample solution obtained in the Assay is similar in retention time to the principal peak in the chromatogram obtained with standard solution. (The absolute value of relative error between retention time of the principal peak obtained with the sample solution and that obtained with standard solution should not be more than 5%). |
Clarity and colour of solution | The solution should be clear and colorless; if the solution develops turbidity it should not be more opalescent than reference suspension I; if the solution shows any colour, it should not be more intensely coloured than reference solution B9. |
pH | 3.5 to 10 |
Related substances | Impurity A: NMT 0.07% |
Impurity B: NMT 0.07% |
Any individual unspecified impurity: NMT 0.10% |
Total Impurities :NMT 0.3% |
Residual solvents | Ethanol: NMT 5000 ppm |
Acetone: NMT 5000 ppm |
Ethyl acetate: NMT 5000 ppm |
n-Heptane: NMT 5000 ppm |
Tert-butanol: NMT 3500 ppm |
Methanol: NMT 3000 ppm |
Methylene chloride: NMT 600 ppm |
Loss on drying | NMT 1.0% |
Sulfated ash | NMT 0.1% |
Microbial contamination | Aerobic bacteria: NMT 103 CFU/g |
Fungi and yeasts: NMT 102 CFU/g |
Specified Microorganism (Escherichia coli): Should be absent per gram |
Bacterial endotoxins | Less than 5 EU/mg |
Assay | NLT 98.0% and NMT 102.0%, calculated with reference to the dried substance. |
Standard | CP & EP & USP & JP |
Packaging And Shipping
Company Profile
Weijer International Trade (Hebei) Co., Ltd. is an enterprise located in Shijiazhuang, the capital of Hebei Province, China. We manufacture intermediates for several API’s falling under a wide range of therapeutic categories and also manufacture high-value fine chemicals & Specialty chemicals. Our products are sold all over the world (Europe, South America, North America, Southeast Asia, and Africa), and are highly praised by customers. Our company has reasonable prices and safe and efficient transportation methods, and has a strict quality management system and high-quality after-sales service, to meet the product and purchasing needs of new and old customers. Weijier also supports product customization.
Hot selling
FAQ
1. How will you deliver the goods?
We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS, and China Air Post. For container products, we can do sea shipping. You also can choose your own shipping forwarder.
2. How to start orders or make payments?
Proforma invoice will be sent first after confirmation of the order, enclosed our bank information. Payment by T/T, Western Union, L/C, Moneygram, BTC, Escrow.
3. How to contact us?
You can choose your interested products and send inquiry to us. You can chat with us via Trademanager, WhatsApp, and Skype Online. You can send us an email and you will receive our response.
4. How to confirm Product Quality before placing orders?
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.
5. How long is the lead time?
We deliver goods within 3 days for small order and 7-10 days for bulk order.
6. Is there any discount?
Yes, for larger quantity, we always support with better price.