1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester
| Price | USD32.00 |
| Packge | 1KG |
- Min. Order:1KG
- Supply Ability:100kg
- Time:2021-07-02
Product Details
- Product Name 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester
- CAS No.112811-71-9
- EINECS No.620-302-1
- MFC16H15F2NO4
- MW323.29
- AppearanceSolidWhite to Pale Yellow
- Melting point 179-181°C
- storage temp. Sealed in dry,Store in freezer, under -20°C
- Boiling point 459.7±45.0 °C(Predicted)
- density 1.414±0.06 g/cm3(Predicted)
Description & Specification
| Category | Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug |
| Standard | Medical standard |
| Shelf life | 2 years |
| Storage | should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. |
| Test Item | Standard: USP |
|
Identification |
IR spectrum similar to that of RS |
|
HPLC retention time similar to that of RS |
|
|
Related substance |
Total impurities: NMT0.3% |
|
Single impurity: NMT0.1% |
|
|
Heavy metals |
NMT 10ppm |
|
Loss on drying |
NMT0.5% |
|
Residue on ignition |
NMT0.1% |
|
Assay |
98.5%-101.0% |
Product Photo
1.Selecting raw materials strictly,our products are the highest purity.
2.Reasonable and competitive price. Provide the best and professional service.
3.Fast delivery of the samples ,samples from stock. Reliable shipping way.
4.Full experience of large numbers containers loading in Chinese sea port.
5.Best after-service after shipment .
6.Professional documents for your custom clearance.
Q: How to start orders or make payments?
A: You can send our your Purchase order by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.
Q: 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.
Q: What's your MOQ?
A: For the high value product, our MOQ starts from 1g and generally starts from 1kgs. For other low value product, our MOQ starts from 10kg and 100kg.
Q: Is there a discount?
A: Different quantity has different discount, for larger quantity, we alway support with better price.
Q: How to contact us?
A: You can chat with us by Trade manager, 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.
Company Profile Introduction
Company Profile
Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is （Wen Xi Pharma）, including three subsidiaries of Shen Zhen Wen Xi Pharmaceutical Technology Co., Ltd. and Shen Zhen Wen Xi Pharmaceutical Technology Co., Limited（Hong Kong company） and Zhuo Zhou Wen Xi Import and Export Co., Ltd. （Wen Xi Pharma） is an export-oriented enterprise integrating R & D, production and export. We have a 200 square meter analysis laboratory (equipped with AAS, LC-MS, FTIR, NMR and other basic testing equipment).
Contact us
01 Wayne TEL: +8613111626072
02 Amanda TEL: +8613111626053
03 Tina TEL: +8613718390571
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- Since:2019-12-18
- Address: Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei