| Powder: | Yes |
|---|---|
| Certification: | GMP, HSE, ISO 9001, USP, BP |
| Suitable for: | Elderly, Children, Adult |
| State: | Solid |
| Purity: | >99% |
| Purity Degree: | 99% |
| Customization: |
|---|
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| Items |
Standard |
Result |
| Appearance | White to yellowish crystalline powder | Complies |
| Identification | Infrared Absorption | Conforms |
| The retention time of the Component B1a peak and the Component B1b peak in the chromatogram of the Assay preparation correspond to those in the chromatogram of the standard preparation |
Conforms | |
| Specific rotation | +132°~ +140° | +137° |
| Related compounds | Related compounds with relative retentions of 0.23,0.93, and 1.16 correspond to B1a peak≤1.0% | 0.5% |
| Impurity A ≤1.0% | 0.2% | |
| Impurity E ≤1.0% | 0.1% | |
| All other known impurities ≤0.5% | 0.2% | |
| Total unknown impurities ≤1.0% | 0.3% | |
| Total impurities ≤5.0% | 1.3% | |
| Water | 2.0% max | 0.3% |
| Residue on ignition | ≤0.1% | <0.1% |
| Heavy metals | ≤10ppm | <10ppm |
| Residual solvents | Acetonitrile ≤0.005% | 0.003% |
| Sum of all solvent≤0.5% | 0.2% | |
| 8a-oxo-B1a | ≤0.5% | 0.1% |
| Assay |
Component B1a ≥90.0% | 91.1% |
| Component B1a and Component B1b ≥95.0% | 95.7% | |
| Conclusion | The results conform with USP36 | |
Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.
We could give you:
1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
All we want is win-win business. Send yr. inquiries, you will get it!
Our company is located in hangzhou xiasha economic development zone,Zhejiang.It is a professional engaged in pharmaceutical raw materials Pharmaceutical intermediates, fine chemical,biochemical reagents and other high-tech product development.sales , import and export into a modern private enterprises Company.
We owm a number of senior medical research and engineer,and HPLC analysis testing instrument has been equipped. It Lays the foundation for the research and development of our New product. Every year we will launch new produces which with high-tech content and have the international market competitiveness.
Oue company has passed has passed the ISO9001:2008 . The high-quality products of our company is sell well in more than 60 countries such as North America Western Europe ,southeast Asia , central and South America. Now we have established long-term stable relations of cooperation with the pharmaceutical enterprises of Europe,
Package
| Weight | Package |
| <25KG | By foil-alum bag/pap/bottle |
| ≥25kg | Package: 25kg/drum/bag or as your request |
Our Competitive Advantage:
1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
All we want is win-win business. Send yr. inquiries, you will get it!
Q1 Can i get some samples
A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2 How to start orders or make payments
A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3 How to confirm the Product Quality before placing orders
A3 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.
Q4 What's your MOQ
A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5 How about delivery leadtime
A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6 Is there a discount
A6 Different quantity has different discount.
Q7 How do you treat quality complaint
A7 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.
Q8 How to contact us
A9 You can chat with us by Trademanager,MSN&Skype Online.
You can choose your interested products and send inquiry to us.
You can dial our telephone directly or send Email to us., you will get our reply.
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Audited Supplier 
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