Details:

Our advantage:

1. High quality with competitive price:

1) Standard:BP/USP/EP/Enterprise standard

2) All Purity≥99%

3) We are manufacturer and can provide high quality products with factory price.

 2, Fast and safe delivery

1) Parcel can be sent out in 24 hours after payment.Tracking number available

2) Secure and discreet shipment.Various transportation methods for your choice.

3) Customs pass rate ≥99%

4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe,

and we have stock in there for transferring.

Melting Point	204-206°C (dec.)
Water Solubility	SOLUBLE IN COLD WATER
Solubility	Insoluble in ethanol, chloroform and ether.
Appearance	Yellow small needle crystal
Color	Yellow powder
BRN	3836585
Storage Condition	Inert atmosphere,2-8°C
Sensitive	Easily absorbing moisture
MDL	MFCD00011939
Physical and Chemical Properties	Melting point 200°C Water solubility SOLUBLE IN COLD WATER

 

Related substances

take the appropriate amount of this product, precision weighing, and mobile phase dissolution and quantitative dilution of the solution containing lmg per lml, as a test solution; in addition, an appropriate amount of jatrorrhizine hydrochloride reference substance and palmatine hydrochloride reference substance was accurately weighed, dissolved and quantitatively diluted with mobile phase to make 0 in each lml. lmg solution, respectively, as the control solution (1) and (2); Precision take the sample solution 2ml and the control solution (1) and (2) 10ml, in a 100ml measuring flask, dilute to the scale with mobile phase, shake well and use as a control solution; Take 1 ml of the reference solution (2), dilute to 10ml with the test solution and shake well, as a system suitability solution. According to the high performance liquid chromatography (General 0512) test, using eighteen alkyl silane bonded silica gel as filler; The mobile phase was O · Olmol/L ammonium dihydrogen phosphate solution (adjusted to pH 2.8 with phosphoric acid)-acetonitrile (75:25); The detection wavelength was 345nm. Take the applicable solution 10 u1 of the system and inject it into the liquid chromatograph. The resolution between the peak of palmatine and the peak of berberine shall meet the requirements, human liquid chromatograph was injected respectively, and the chromatogram was recorded to 2 times of the retention time of the main component chromatographic peak. In the chromatogram of the test solution, if there are chromatographic peaks consistent with the retention time of jatrorrhizine peak and palmatine peak, the peak area shall be calculated according to the external standard method, and shall not exceed 1.0%; the sum of the peak areas of other impurities should not be greater than the peak area of the berberine peak in the control solution (2.0%).

 

cyanide

take this product 0.50g, inspection according to law (General Principles 0806 The first law), should comply with the provisions (combined products).

organic nitrile

take the refined product about 0.25g, weigh it accurately, put it in a 25ml plug Erlenmeyer flask, add 5ml of anhydrous ether, shake it for 5 minutes, and filter it through a vertical melting funnel (G5), wash with anhydrous diethyl ether for 3-4 times (2ml each time), combine the filtrate and the washing solution, concentrate to about 0.5, as the test solution; Take an appropriate amount of pepper acetonitrile reference substance, weigh precisely, chloroform is added to dissolve and dilute to make about 0.1 mg solution, as a control solution. According to the thin layer chromatography (General 0502) test, draw 10m of the reference solution and the total amount of the test solution, respectively, on the same silica gel G (thickness 0.5) thin layer plate, with benzene-glacial acetic acid (25:0.1) as the developing solvent, expand, dry, spray with 5% ammonium molybdate sulfuric acid solution, heated at 105°C for 10~20 minutes, the test solution shall not show impurity spots (combined product) at the corresponding positions of the main spots displayed by the control solution.

moisture

take this product, according to the moisture determination method (General 0832 first method 1), the water content shall not exceed 12.0%.

ignition residue

take l.Og of this product and check it according to law (General rule 0841). The remaining residue shall not exceed 0.2% (extract) or 0.1% (combined product).

Heavy metals

The residue left under the ignition residue item shall not contain more than 20 parts per million of heavy metals (combined product) after inspection by law (General rule 0821, Law II).

 

This product contains berberine hydrochloride (C20H18CIN04 • 2H20) should be 93.0% ~ 107.0% of the label amount.

trait

This product is yellow, sugar-coated or film-coated tablets, yellow after removing the coating.

identification

take an appropriate amount of fine powder of this product (about 0.lg of berberine hydrochloride), add 10ml of water, slowly heat to dissolve berberine hydrochloride, filter, and take the filtrate, the same reaction was shown according to the tests of identification (1), (2) and (4) under the item of berberine hydrochloride.

examination

• the dissolution of this product, according to the dissolution and release determination method (General rule 0931 method), with water 1000ml as the dissolution medium, the speed is 120 rpm, according to the law, after 45 minutes, take the solution and filter, take the appropriate amount of the filtrate, dilute with water to make a solution containing about 5ug of berberine hydrochloride per 1 ml, shake, the absorbance was measured at a wavelength of 0401 NM according to ultraviolet-visible spectrophotometry (General rule 724), and the elution amount of each tablet was calculated as the absorption coefficient of C20H18C1N04 · 2H20 was. The limit is 70% of the labeled amount and shall be in accordance with the provisions.
• others shall be in accordance with the relevant provisions under the item of tablets (General rule 0101).

Content determination

• measured by high performance liquid chromatography (General 0512).
• chromatographic conditions and system suitability test using eighteen alkyl silane bonded silica gel as filler; Phosphate buffer [0.05mol/L potassium dihydrogen phosphate solution and 0.05mol/L sodium heptane sulfonate solution (1:1 ), the mobile phase contained 0.2% triethylamine and adjusted pH to 3.0]-acetonitrile (60:40) with phosphoric acid; The detection wavelength was 263nm. The number of theoretical plates shall not be less than 3000 calculated by berberine peak, and the separation degree between berberine peak and adjacent impurity peaks shall meet the requirements.
• determination of 20 tablets of this product, such as sugar-coated tablets, remove the sugar coating, precision weighing, fine grinding, precision weighing fine powder appropriate amount (about 40mg equivalent to berberine hydrochloride), 100ml measuring flask, add an appropriate amount of boiling water to dissolve berberine hydrochloride, let it cool, dilute to the scale with water, shake well, filter, discard about 8ml of the initial filtrate, take 5ml of the additional filtrate and put it in a 50ml measuring flask, dilute to scale with water, shake well, as a test solution, take 20 u1 with precision, inject human liquid chromatograph, record chromatogram; Take appropriate amount of berberine hydrochloride reference, weigh precisely, the solution was dissolved in boiling water, allowed to cool, and quantitatively diluted with water to prepare a solution containing about 40ug per 1 ml, which was determined by the same method. According to the external standard method to calculate the peak area, that is.

 

This product contains berberine hydrochloride (C20H18C1N04 • 2H20) should be 93.0% ~ 107.0% of the label amount.

trait

The content of this product is yellow powder or granules.

identification

1. take an appropriate amount of the content of this product (about 0.1g of berberine hydrochloride), add 10ml of water, slowly heat to dissolve berberine hydrochloride, filter, and test according to the following method.
2. 5ml of filtrate was taken, 2 drops of sodium hydroxide solution were added, which was orange-red in color. After cooling, 4 drops of acetone were added, resulting in turbidity, add 1 drop of acetone, If turbidity still occurs, add appropriate amount of acetone to make the precipitate complete, filter, and the filtrate shows chloride to identify the reaction of (1) (General rule 0301).
3. 0.5ml of the filtrate was taken, and 2ml of dilute hydrochloric acid was added.
4. in the chromatogram recorded under the content determination item, the retention time of the main peak of the test solution should be consistent with the retention time of the main peak of the reference solution.

examination

• water content of this product, mixed evenly, according to the moisture determination method (General rule 0832 first method 1> determination, moisture content shall not exceed 12.0%.
• the dissolution of this product, according to the dissolution and release determination method (General rule 0931 method), with water 1000ml as the dissolution medium, the speed is 120 rpm, according to the law, after 45 minutes, take 5ml of the solution, filter, take 2ml of the filtrate, put it in a 25ml measuring flask, dilute it to the scale with water, shake it well, and measure it by UV-Vis spectrophotometry (General rule 0401), the absorbance was measured at a wavelength of 263nm, and the amount of dissolution per particle was calculated as the absorption coefficient of c20h18c1n04-2h20 was 724. The limit is 70% of the labeled amount and shall be in accordance with the provisions.
• others should comply with the relevant provisions under the capsule (General 0103).

Content determination

• measured by high performance liquid chromatography (General 0512).
• chromatographic conditions and system suitability test using eighteen alkyl silane bonded silica gel as filler; Phosphate buffer [0.05mol/L potassium dihydrogen phosphate solution and 0.05mol/L sodium heptane sulfonate solution (1:1 ) , the mobile phase contained 0.2% triethylamine and adjusted pH to 3.0]-acetonitrile (60:40) with phosphoric acid; The detection wavelength was 263nm. The number of theoretical plates shall not be less than 3000 calculated by berberine peak, and the separation degree between berberine peak and adjacent impurity peaks shall meet the requirements.
• determine the contents under the item of loading difference, mix evenly, weigh an appropriate amount (about 40mg equivalent to berberine hydrochloride) accurately, put it in a 100ml measuring flask, and add an appropriate amount of boiling water, dissolve berberine hydrochloride, let it cool, dilute to the scale with water, shake well, filter, discard about 8ml of the initial filtrate, take 2ml of the continued filtrate and put it in a 25ml measuring flask, dilute to scale with water, shake well, as a test solution, take 20ul of precision volume, inject human liquid chromatograph, record chromatogram; Take appropriate amount of berberine hydrochloride reference, precision weigh, the solution was dissolved in boiling water, allowed to cool, and quantitatively diluted with water to prepare a solution containing about 32ug per 1 ml, which was determined by the same method. According to the external standard method to calculate the peak area, that is.

 

 

Product Packaging：

1) 1kg/bag (1kg net weight, 1.1kg gross weight, packed in an aluminum foil bag)

2) 25kg/drum (25kg net weight, 28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high, 360mm diameter)

 Storage：

Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.

Delivery：

Usually within3-5 working days after full payment.

transport：

EMS,DHL, TNT, UPS ,FEDEX, BY AIR, BY SEA

DHL Express, FedEx and EMS for quantity less than 50KG, usually called as DDU service; 

Sea shipping for quantity over 500KG; And air shipping is available for 50KG above;

For high value products, please select air shipping and DHL express for safe;

Our Service:
1. Fast Delivery: We can delivery within 24 hours upon receipt of your payment.
2. Quality can be promised. Hot sell to Worldwide.
3. Payment Terms: T/T,, t/t
4. Free Sample available at any time.
5. Tracking your order at any time. Inform your order's further new situation at any time.
6. Package: Professional packing with professional materials.

 

Packing:  
  1. Inner double plastic bags----25kg/Fiber drum (35*35*45cm, GW: 28kg, NW: 25kg); 

  2. Inner double plastic bags----5kg/Aluminum foil bag (GW: 6.5kg, NW: 5kg). 

  3. Inner double plastic bags----1kg/Aluminum foil bag (GW: 1.5kg, NW: 1kg). 

P.S.: we accept packaging customization. 

  
Delivery:   

  1. Stock products are normally shipping within 3 working days.  

  2. For rush delivery, please contact our sales team for particular arrangement. 

Shipping Details: 
  1. We ship goods via DHL, Fedex, UPS, TNT, China post, NL Post and other couriers, weight from 10g to 1000kg or even bulker. 

  2. Shipping details & shipping documents will be provided and sent by email. 

  3. We keep tracking the shippment until clients well received. 

  4. After years export shipping experience, with professional and experienced cooperated forwarders, we ensure that goods can be delivered in multiple ways safetly and efficiently. 

About us

Our company specializes in processing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents,  

We have compalete sales and service team , information feedback vertical integration of a sound marketing network, products are sold throughout the country and exported to South Asia, Europe, America, Africa and other more than 20 countries and regions.  

Companies adhering to the "pursuit of quality, innovation and development" business philosophy, to serve as a foundation, for the survival by the quality, seek development by science and technology, adhere to quilty comes first,fair price,good sense of customer service and responsibility. in the future hebei Nengqian import and export trade Co.,Ltd will always hold "integrity, innovation" business philosophy, to achieve honesty management, on the way of specialization, internationalization,  Keep moving!  

 

FAQ: 
1. Are you a trade company or factory   
We are a  factory with our own trading company.  

2.How do you control the quality   
Our factory is equipped with professional technicians to control quality, out inspectors take sample for testing every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other Third-party inspection.   

3. How long is lead time   
We deliver goods within 3 days for small order, 7-10 days for bulk order.   

4. Where is your factory located  How can I visit the factory   
 Our factory located in HEBEI, China.

5. Can i get some samples  
  Yes, we can supply free sample, but the shipping cost be paid by our customers. 

6. How to start orders or make payments  
  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.Payment by T/T,  

7. How to confirm the 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. 

8. How long is lead time

We deliver goods within 3 days for small order, 7-10 days for bulk order.

 

9. How do you treat quality complaint

  First of all, our quality control will reduce the quality problem to near zero. If there is a realquality problem caused by us, we will send you free goods for replacement or refund your loss.