Product Details
| Product Name:
Vitamin B12 |
CAS No.:
13422-55-4 |
| EC-No.:
236-535-3 |
Min. Order:
1ASSAYS |
| Purity:
99% |
Supply Ability:
10 mt |
| Release date:
2020/12/22 |
Vitamin B12 Mecobalamin
Standard: JPXIV
Packing: 1000g/tin 500g/tin 100g/tin
Description: Dark red crystals or crystalline powder; Slightly soluble in water ,and practically insoluble in acetonitrile;Affected by light.
Precaution: Peripheral neuropathy caused by diabetes mellitus. Lumbago, intercostal neuralgia, diabetic retinopathy, neuropathy. Megaloblastic anemia due to vitamin B12 deficiency.
Shelf life: 2 years
The products we are exporting has already obtained the GMP certification and the STAR-K KOSHER certification, also through SGS, ISO certification,
we focus on supplying high quality chemicals with lot-to-lot consistency that meet USP/NF,FCC,BP,EP,ACS specifications and Kosher and Halal certifications.
CERTIFICATE OF ANALYSIS
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Product Name: Mecobalamin
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Quantity: 10.06kg
|
Batch No: PB20170108
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|
Producing date: 2017-01-30
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Analysis date: 2017-02-01
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Send out date: 2017-02-02
|
|
Reference standard: JP16
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Package: 1000g/bottle
|
Expiry date: 2019-01-29
|
|
Item
|
Specifications
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Results
|
|
Appearance
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Dark red crystal or crystalline powder
|
Conforms
|
|
Identification
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UV: Compare the spectrum with the reference spectrum, Both spectra
exhibit similar intensities of absorption at the same wavelengths
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Conforms
|
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Chemical: meets JP requirements
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Clarity and color of solution
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Solution is clear and red color
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Conforms
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Solubility
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Sparingly soluble in water, slightly soluble in ethanol(99.5) and
practically insoluble in acetonitrile
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Conforms
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Related substances
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The total area of the peaks other than mecobalamin is not larger than 2.0%
|
1.0 %
|
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Each area of the peaks other than mecobalamin is not
larger than 0.5% of the peak area of mecobalamin
|
0.4 %
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Moisture content
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≤12.0%
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4.3 %
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Assay on dried
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≥98.0%
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99.0 %
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Bacteria
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≤100ocfu/g
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40cfu/g
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Mould, yeasts
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≤100cfu/g
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<10cfu/g
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|
E Coli
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Not found
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Not found
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Limit of residual solvents
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Acetone ≤0.5%
|
0.0091%
|
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Conclusion: This product conforms to specification of JP 16
|
Methylcobalamin (mecobalamin) is the preferred form of vitamin B12 and exerts benefits well beyond those of other forms of cobalamin. Methylcobalamin is delivered much better to nerve tissues where it functions in accelerating transmethylation reactions in the manufacture of nucleic acids, neutrotransmitters and phospholipids.
Welcome to Hebei Guanlang Biotechnology Co.Ltd (Guanlang)
Guanlang is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.Our main product is chlorine dioxide, Sodium dichloroisocyanurate(sdic or nadcc) ANDTrichloroisocyanuric acid (TCCA)for water treatment.We also supply raw materials for detergent and hand sanitizer products,such as carbopol 940,carbopol stock solution,Hydroxypropyl methyl cellulose (HPMC) and so on.
Guanlang also supply various industrial chemicals for customers, such as citric acid,potassium chloride etc.After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,agricultural products and so on.So far, Guanlang has usiness in more than 35 countries,most big customers come from europe and America, because among the suppliers in China.
Guanlang can always make the product quality best, some of the products from Guanlang.This is the important reason for customers who choosing Crovell.In future, Guanlang must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.
why choose our company
1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.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;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes
us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.
Company Profile Introduction
Hebei Guanlang Biotechnology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.
Our company has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival. All for the customers’ satisfaction, all for the long-term healthy development of the enterprise. In the past 10 more years, we have been strictly managing the whole trade process, focusing on every detail, providing customers with all-round services such as product purchase, R & D, quality control, logistics management and so on, and become reliable cooperation company and partner for our clients. Nowadays We formed large varieties, large scale, complete categories, refined degree, added value and high technology content product chain .There are several series including pharmaceutical products, food grade additives, industrial grade, fertilizer grade and mineral products.
In recent five years, the company has implemented the strategy of "going out" vigorously. We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect. Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation, and strive to become to the leading of Chinese chemical industry.
As a way to use the resource on the expanding info in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality items we offer, effective and satisfying consultation service is supplied by our qualified after-sale service gro
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