A.H-NMR:Comply with the structure
B.LC-MS:Comply with the structure
C.The IR spectrum of sample should be identical with that of reference standard.
D.HPLC-ESI-MS
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Contact me
Mail：kaia@hbfengqiang.com
Whatsapp skpye：+8613373049370
Threema：AT23K39V
Company profile
Hebei Fengqiang Trading Co.,ltd. is a high-tech enterprise engaged in the field of fine chemical products, integrating R&D, production and sales. The company has an independent R & D team, which can develop and customize any pharmaceutical raw materials with low price, high quality and first-class service! Fengqiang's products are widely exported to the United States, Russia, Canada, Australia, Europe and many other countries with double-clearance door-to-door delivery services. With honest and credible business philosophy. Harmonious development!
FAQ
Q1. What is your terms of payment?
A: T/T, details could be discussed.
A: FOB, CFR, CIF, DDU, EXW, etc.
Q2. How about your delivery time?
A: Generally, 3 to 12 days upon advance payment.
The specific delivery time depends on your detailed requirements and the quantity of your order.
Q3. Can you produce according to the samples?
A: Yes, we can offer samples or technical drawings.
Q4. What is your sample policy?
A: We could offer the sample for free charge but your esteemed company will pay the cost of freight.
Q5. Do you test all your goods before delivery?
A: Yes, we have 100% inner inspection in our own laboratory and plant before delivery.
Q6: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
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