Best quality CAS 611-36-9 4-Hydroxyquinoline with good price
Item | Standard | Test Results |
Identification | A.H-NMR:Comply with the structure | Complies |
B.LC-MS:Comply with the structure | Complies |
C.The IR spectrum of sample should be identical with that of reference standard. | Complies |
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | Complies |
Loss on drying | ≤2.0% | 0.19% |
Heavy metals | ≤10 ppm | <10ppm |
Water | ≤1.0% | 0.1% |
Sulphated ash | ≤0.5% determined on 1.0 g. | 0.009% |
Residue on ignition | ≤0.1% | 0.03% |
Related Substances | Unspecified impurities: for each impurity ≤0.10% | <0.10% |
Total Impurity ≤0.5% | 0.18% |
Purity | ≥99.0% | 99.7% |
Assay | 99.0%~101.0% (anhydrous substance). | 99.8% |
Storage | Preserve in well-closed, light-resistant and airtight containers. | Complies |
Production Process
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Company Profile
Welcome to visit Hebei Guanlang Biotechnology Co.Ltd.
HEBEI GUANLANG is a fast growing intermediates company, which located in Shijiazhuang, Hebei Province. Guanlang is specialized in Pharmaceutical intermediates, Veterinary drug intermediates and Dyes intermediates, such as Phenylacetamide, Dimethylamine hcl, Benzyl chloride etc.,
HEBEI GUANLANG also supply various industrial chemicals for customers, such as Citric acid, Potassium chloride etc. After ten years developed, Guanlang has become a diversified development company, not only involves in chemicals, but also real estate, clothes, agricultural products and so on.
So far, Guanlang has business with more than 50 countries in the world, the most of companies who bought tons of products come from Europe and North America. As among the suppliers in China, we can always make the products with the best quality, some of the products from Guanlang can reach the purity of more than 99.9%, such as 2-phenylacetamide. This is the important reason for customers who choosing Guanlang.
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.
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