(S)-(-)-2-Pyrrolidone-5-carboxylic acid CAS NO.:98-79-3

Product name (S)-(-)-2-Pyrrolidone-5-carboxylic acid Test Date 2018.07.08
 Batch No. 20180708  Manufacture Date 2018.07.08
 Quantity 1000KGS Report Date 2018.07.08
Batch Size 1000KGS  Retested Date/Expiry Date 2019.07.09
 Test Item  Specification  Test Result
Appearance White to off-white powder White powder
Specific rotation -10.5°~ -12.3° -11.68°
Transmittance ≥98.0% 99.4%
Chloride(Cl) 0.02% <0.02%
 Ammonium(NH4+) 0.02% <0.02%
Sulphate(SO42-) 0.02% <0.02%
 Iron(Fe) 10ppm <10ppm
Residue on ignition 0.10% 0.04%
Heavy metal(Pb) 10ppm <10ppm
Arsenic 1ppm <1ppm
Water Content (by KF) 1.0% 0.38%
 Assay 98.5~100.5% 99.5%
Melting point 159~162 160-161
Conclusion The results conform with  Manufacture’s  standard.

CAS NO.: 98-79-3


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    Product Description

     Test Item  Specification  Test Result
    Appearance White to off-white powder White powder
    Specific rotation -10.5°~ -12.3° -11.68°
    Transmittance ≥98.0% 99.4%
    Chloride(Cl) 0.02% <0.02%
     Ammonium(NH4+) 0.02% <0.02%
    Sulphate(SO42-) 0.02% <0.02%
     Iron(Fe) 10ppm <10ppm
    Residue on ignition 0.10% 0.04%
    Heavy metal(Pb) 10ppm <10ppm
    Arsenic 1ppm <1ppm
    Water Content (by KF) 1.0% 0.38%
     Assay 98.5~100.5% 99.5%
    Melting point 159~162 160-161
    Conclusion The results conform with  Manufacture’s  standard.

    Company Profile

    gongsi1

    Changzhou HQ New material Technology Co.,LTD.is a Integrated Company specializing in the production and trade of chemical intermediates. We are good at R & D, sales and custom synthesis services in the fields of pharmaceutical intermediates, plastic additives, ketones, esters, pyrimidine, quinoline, indoles, amino acids and other fine chemicals.

    After years of development and accumulation of experience, HQ technology has a number of production pilot bases, providing customers with a variety of Pharmaceutical intermediates and fine chemicals from the level of gram to tonnage to develop new products and custom processing services. We have maintained long-term business relations with the nearby research institutes and universities. Relying on our comprehensive skills, stable supply chain, rich market knowledge and absolute commitment, HQ technology has rapidly developed into a one-stop solution and service provider.

    Our vision is to use our expertise to provide our customers with high quality products and competitive prices. Through unremitting efforts, we will continuously introduce products facing the international market, meet customer needs, and strive to become a long - term partner of international well-known pharmaceutical and chemical enterprises.

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    HQ Chemtech sets independent Quality Department and Quality Control Center.It has professional testing equipments as GC,HPLC and Karl-fischer moisture meter.It has established perfect quality assurance system to ensure product quality.

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    Changzhou HQ New Material Technology Co.,LTD

    Add:NO.266 Tongjiang Road,Xinbei,Changzhou,Jiangsu,China

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