Company Profile
Beijing Sjar Technology Development Co., Ltd. founded in 2014(as our manufacture's commerical development department in Beijing) , it is a high-tech enterprise which specialized in the research and development of active pharmaceutical ingredients and their intermediates, electronic chemical materials and intermediates, large-scale production, sales and services, and provide customized synthetic services according to customer requirements.
Sjar-Tech locates in Beijing Economic and Technological Development Zone, has its own R&D and development laboratory. Sjar-Tech has set up a R&D team with rich experience and strong technical strength, most of the practitioners have more than ten years' experience and technology in organic synthesis development.
Sjar-Tech is committed to promoting the industrialization of first-line generic drugs and the research and development of innovative drug and sales. It has carried out extensive project cooperation with many well-known domestic pharmaceutical companies, research institutes and universities, and also actively cooperated with international pharmaceutical companies to promote the development of new drugs. At the same time, Sjar-Tech also has carried out the research, development and sales of new electronic chemical materials such as OLED, OPV and their intermediates. It has established long-term and stable cooperation with many customers in the same industry at home and abroad, providing high-quality materials and intermediates.
Sjar-Tech always has been adhering to the enterprise spirit of "sincerity, professional service, win-win cooperation, create a better life together!" since its inception, keep continuous progress, independent innovation, is oriented to customer service and market demand, with a sincere heart and professional technology, provide customers the high-quality products and services. Sjar-tech look forward to the cooperation with you to create a better future !
Contact Details
Beijing Sjar Technology Development Co.,Ltd.
Add: Floor 8, Building 1, No.35, Jinghai Four Road, Economic And Technological Development Zone,
Beijing, China.
Zip code: 100176
Website: sjar-tech.en.made-in-china.com
- FAQ
- A : Can i get some samples?
- ; Q : Yes, we can supply the free sample, but the shipping cost be paid by customer
- A : How to confirm the Product Quality before placing orders?
- Q : We offer free sample,After you test the sample,you can know our quality.then place order.
- A : How about the quality guarantee period?
- Q : 24 Months
- A : How do you keep reserve the products?
- Q : Our shipping workers are very professional.They can pack various professional discreet package for hidding the products.
| Items |
Standards |
Results |
| Appearance |
White or off-white crystalline powder |
Complies |
| Identification |
By IR |
Complies |
| |
By HPLC |
Complies |
| Solubility |
Freely soluble in water, soluble in methanol and 0.1mol/L hydrochloric acid solution,hardly soluble in isopropyl alcohol |
Complies |
| Clarity&Color of Solution |
Clear and Colourless |
Complies |
| Specific Rotation |
-93°~-103° |
-94.4° |
| R,R-Isomer |
≤ 0.02% |
ND |
| pH |
4.5~6.0 |
5.69 |
| Sulfate |
≤ 0.06% |
Complies |
| Chloride(on dried basis) |
9.6%~11.7% |
10.7% |
| Loss on Drying |
≤ 0.50% |
0.10% |
| Heavy Metals |
≤ 10ppm |
Complies |
| Residue on Ignition |
≤ 0.10% |
0.06% |
| Residual Solvents |
Methanol: ≤3000ppm |
ND |
| |
Ethanol: ≤5000ppm |
600 |
| |
Diethyl ether: ≤5000ppm |
ND |
| |
Tetrahydrofuran: ≤720ppm |
ND |
| |
Ethyl acetate: ≤5000ppm |
ND |
| |
Isopropanol: ≤5000ppm |
ND |
| |
Chloroform: ≤60ppm |
ND |
| |
Toluene: ≤890ppm |
ND |
| |
N,N-Dimethylformamide: ≤880ppm |
ND |
| Related Substances |
Diastereomer: ≤0.10% |
0.003% |
| |
Nitrogen oxides: ≤0.10% |
0.006% |
| |
Other individual impurity: ≤0.10% |
ND |
| |
Total Impurities: ≤0.50% |
0.01% |
| Assay (on the anhydrous basis) |
99.0%~101.0% |
99.46% |
| Reference Standard |
In-house Standard |
| Conclusion |
The product complied to In-house standard. |
| Storage |
Preserve in tight, light-resistant containers in a cool place |
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