Vitamin B12

$ 10.00 /1PCS

Min. Order1ASSAYS
Purity99%
Cas No13422-55-4
Supply Ability10 mt
Update time2020-12-22

Hebei Weibang Biotechnology Co., Ltd

6YR

China

Chemical Properties

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

Product Name: Mecobalamin		Quantity: 10.06kg	Batch No: PB20170108
Producing date: 2017-01-30		Analysis date: 2017-02-01	Send out date: 2017-02-02
Reference standard: JP16		Package: 1000g/bottle	Expiry date: 2019-01-29
Item	Specifications			Results
Appearance	Dark red crystal or crystalline powder			Conforms
Identification	UV: Compare the spectrum with the reference spectrum, Both spectra exhibit similar intensities of absorption at the same wavelengths			Conforms
	Chemical: meets JP requirements
Clarity and color of solution	Solution is clear and red color			Conforms
Solubility	Sparingly soluble in water, slightly soluble in ethanol(99.5) and practically insoluble in acetonitrile			Conforms
Related substances	The total area of the peaks other than mecobalamin is not larger than 2.0%			1.0 %
	Each area of the peaks other than mecobalamin is not larger than 0.5% of the peak area of mecobalamin			0.4 %
Moisture content	≤12.0%			4.3 %
Assay on dried	≥98.0%			99.0 %
Bacteria	≤100ocfu/g			40cfu/g
Mould, yeasts	≤100cfu/g			<10cfu/g
E Coli	Not found			Not found
Limit of residual solvents	Acetone ≤0.5%			0.0091%
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.

Packaging & Shipping

Certificate

Crovell supply CAS 1094-61-7 nicotinamide mononucleotide nmn with best price

Company Profile

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.

Exhibition

FAQ

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 Weibang Biotechnology Co., Ltd. is a professional chemical products company that is widely praised for providing high-quality, cost-effective chemical raw materials. 1. Strong professional ability: We have a team composed of many experts with rich experience and sales staff with very high professional level, with outstanding professional ability. 2. Good product quality: The company strictly controls the quality of its products, and all products comply with relevant national standards to ensure that it provides customers with the highest quality products. 3. Product prices are affordable: We are customer demand-oriented and provide the most competitive product prices to ensure that customers can get the greatest value return. 4. Good service: The company aims at customer satisfaction and provides all-round and thoughtful services. Hebei Weibang Biotechnology Co., Ltd. Currently specializes in the production and trade of flavors and fragrances, daily chemicals, detergents, UV absorbers / light stabilizers, and chemical additives. From product production, transportation to export, all are managed by our own team Responsible for the production department, a closed loop is formed to provide customers with very cost-effective and high-quality chemical raw materials. After several years of hard work in the Chinese and international chemical markets, Weibang has received positive responses and recognition from many customers and has moved itself towards the international market. In the future, Weibang will continue to invest very high-quality services and products in the global chemical market to further expand our market, further enhance our professional level, and bring real benefits to global customers. Hebei Weibang Biotechnology Co., Ltd. Has won the trust and praise of customers with its professional technical capabilities, high-quality product quality, affordable product prices and good services. If you are looking for a professional chemical products co