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
Unspecified impurities: for each impurity ≤0.10%
<0.10%
Substances
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
Packaging & Shipping:
Our normal packaging is 25kgs/Drum
The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.
Wuhan Dujiang Industrial Co., Ltd. was established in 2009. It is a high-tech chemical enterprise in Central China, specializing in the research and development, production and sales of animal and plant extracts, fine chemicals, pharmaceutical raw materials and intermediates.Since its establishment, the company attaches great importance to team training and technical reform.In 2015, according to the national pharmacopoeia production process index control standards, the company invested 8,600 square meters of GMP standard plant.Adhering to the corporate purpose of "quality first, integrity first", the company was rated as a provincial advanced unit in 2018.Set research and development, production, testing, sales as one of the high-tech enterprises.The company is committed to the separation, purification and chiral separation of high purity natural products, as well as the development, production and marketing of API intermediates.The company mainly engaged in high-end monomer products of natural medicinal plants, semi-synthetic derivatives of medicinal plant ingredients, chemical synthetic products, high-end natural food and cosmetic additives.After 10 years of development, the company now has 20 tons of raw material extraction equipment, 1000 square meters of separation quality processing workshop, 800 square meters of analysis, development, testing center.In order to meet the needs of preclinical research at home and abroad, and to save cost and unit for drug development companies, the company specially introduced large-scale axial pressure preparative chromatography.In 2016, the company established a chiral separation center and launched 100 high-quality research and development projects.Equip with axial compression preparation chromatography system, liquid chromatography, gas chromatography, magnetic driven autoclave and other high-end advanced detection, experiment, pilot equipment.Through the ISO9001 quality management system certification.The company has produ