1-1000 Kilograms
$21.00
≥1001 Kilograms
$20.00
1. CAS No.: 3493-12-7; MF: C6H14NO2ClS ; E No.: 222-484-4
2. Feed Grade, Food Grade, Medicine Grade
3. Appearance: White or almost white crystalline powder
4. Package: 25kg/drum Pure Vitamin U
5. Shelf life: 2 Years
6. Competitive price with high quality
7. Conforms to BP 98 / USP 24
8. Purity: 98% min
Appearance | White Powder | Conform |
Assay | 99.0% | 99.85% |
Identity | Corresponds | Conform |
Infrared spectrum | Meets EP requirement | Conform |
Option rotation | -0.01°~+0.01° | Conform |
Density(20°C) | 0.952—0.966g/ml | 0.954g/ml |
Refractive index(20°C) | 1.494—1.498 | 1.497 |
Related substances | Impurities A, C: for each impurity≤0.5% Impurity B≤1.5% Sum of impurity D+E≤1.0% Any other impurities: Meet EP requirements Total impurities:≤2.5% | Conform |
Absorbance in ethanol: At about 284nm (max) At about 254nm (min) |
42.0—45.0 7.5—9.0 |
44.0 8.8 |
Acidity | Max.1.0ml of 0.1 N NaOH | 0.04ml |
Sulphated ashes | ≤0.1% | 0.03% |
Heavy metals | ≤10ppm | <5ppm |
Lead | ≤2ppm | 0.04ppm |
Arsenic | ≤3ppm | <1ppm |
Free tocopheryl | ≤1.0% | 0.35% |
Organic volatile impurities | Meets USP requirements | Conform |
1.Pharmaceutical Grade Vitamin U is a vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.
2.Vitamin U was termd from the fact that a very small quantity of this compound was effective for the medical treatment of the gastric ulcer. From the word ulcer came letter "U". But the Vitamin U isn't vitamin, it is a derivativ of the acid methionin.
3.Vitamin U strengthens the immunsystem of human, animal, and plant cells. Protects from damage the membran systems of living sells (the walls cellorganels, etc). Moreover the damage can be stopped and can easily be regenerated.
The aim of Xigema is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".Xigema has 21 subsidiaries and holding companies.
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A: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.
Q7:How do you treat quality complaint?
A: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.
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