About Us About Us

Simson Pharma Limited specializes in manufacturing and supplying a wide range of Pharmaceutical Reference Standards, Working Standards, Drug Impurity Standards, Metabolites and Stable Isotope Labelled Compounds.

  • ISO 17034:2016
  • NABL Certificate (ISO/IEC 17025:2017)
  • FDA license (Form 20B & 21B)
  • Form 20G
  • GLP Certified
  • DSIR
  • ISO 9001:2015 (Quality Management System Standard)
  • ISO 17034:2016 (Reference material producer)
  • ISO 14001:2015 (Environmental Management System)
  • ISO 18001:2007 (OHSAS)
  • ISO 45001:2018
  • DCGI Circular on Ref. Standard
  • USFDA License

For Drug Impurity standards we provide Qualificationdata’s like 1HNMR, 13C NMR, Mass, IR, HPLC and TGA with defined potency value and For Analytical standards we provide NMR, Mass, IR,HPLC, LOD, Sulphated Ashand water content with defined potency value.

We ensure the quality of our products through a three-step process: quality checks at the manufacturing site, during inventory management, and prior to dispatch.

Yes, we supply Impurity standardsof controlled API, Labelled impuritiesof controlled API and Nitrosamine impurities of controlled API, ensuring full compliance with licensing requirements.

Yes, Simson Pharma Limited exports its products to several countries worldwide. We ensure compliance with international quality standards.

Simson Pharma Limited has 3laboratoriesin India , one in Ahmedabad and one in Hyderabadand one in Vasai (Mumbai).

The retest period of each product varies depending on the moleculenature. This retest periodis given according to the product nature and scientist experience. The retestdate is clearly marked on the COA as well as on thelabel. We recommend storing our products according to the conditions specified on the label as well as Certificate Of Analysis (COA)to ensure their effectiveness and safety. Once we reach near the retest date we will provide the retest COA and data.

Retention Time (RT) is the time it takes for a particular compound to travel through the HPLC column and reach the detector after injection. It’s a key parameter used to identify compounds in a mixture.

Relative Retention Time (RRT) is the ratio of the retention time of a sampleof interest to the retention time of a standard. It is used to compare the retention times of multiple compounds in the same chromatographic run.

Certain samples are hygroscopic, and although care is taken during shipping, their appearance may still change due to the absorption of moisture. However, this is only a physical change and does not affect the chemical properties of the material.

If the only difference between two compounds is their chirality (i.e., they are enantiomers), chiral HPLC is performed because normal HPLC cannot separate enantiomers. In normal HPLC, compounds that are mirror images of each other (enantiomers) typically have the same chemical properties and therefore elute together, making it impossible to distinguish them. Chiral HPLC, on the other hand, uses a chiral stationary phase or chiral additives in the mobile phase to exploit the differences in how enantiomers interact with the column, allowing for their separation.

In general, the simson products are research chemicals and custom synthesized products. we don’t perform any stability study for these products. And we give retest period of 3 years for stable molecule. For Hygroscopic and light sensitive material, we give 2 years or less than 1 year.We recommend you to open and use the product at controlled environment.

Yes, you can use the material repeatedly. But while opening and weighing the vial, please handle the material carefully under inert atmosphere i.e. Nitrogen or Argon. so that the moisture cannot enter the vial. Once you are done with using the required quantity from the vial then close the vial immediately by filling it with nitrogen gas.

Expiration period of the Impurity standards and Reference standards are assigned based on the scientific and synthetic experience by synthetic scientist. And the expiration date also depends on the nature of the product. There is no limit for the opening and usage of the material, unless if you use the material during weighing and handling properly as mentioned on the COA. For hygroscopic material we need to take care and maintain proper condition. For light sensitive material we need to store the material in ambered glass and weigh under sodium lamp. For stable Impurity standards and Reference standards we have to weigh under controlled environment

By default we will provideMSDS for the procured Simson Standards by contacting us through exports@simsonpharma.com for international and Info Info info@simsonpharma.com .

We accept returns or provide refunds subject to evaluation and approval by our technical team.

Once your order has been shipped, we will send you a tracking number via email. You can use this number to track your order online through the courier's tracking system. If you have any questions regarding your order status, our customer support team is available to assist.