• Pharmaceutical Impurity Reference Standards
  • Genotoxicity Assesment of Impurities
  • Investigation and Risk Assessment of Nitrosamine
  • Computational Approach for Purge Assessment in API
  • Determination of Carcinogenicity (TD50) & AI Values of Nitrosamines
  • Isolation & Purification

Products & Services


Impurity Isolation and Purification

Isolation and purification of known and unknown Impurities from mg to gm scale. Our adept scientists are proficient in separating and purifying impurities from drug substances and drug products. ….Read More

Genotoxic Assessment of Impurity

We can provide (Quantitative) Structure-Activity Relationship ((Q)SAR) assessment of impurities in line with ICH M7 requirements to predict mutagenicity…..Read More

Custom Synthesis of Impurity mg to g

VEEPRHO offers world-class service in the chemical synthesis of various organic compounds on the milligram to kilogram scale at a competitive price….Contact Us

Unknown Impurity Structure Elucidation

After Isolation Purification of known and unknown Impurity from APIs and Drug products is analyzed by LC-MS, HPLC, H and C NMR, FT-IR, and elemental analysis (CHNS) to confirm its structure. …….Read More

More Than 18,000 Certified Impurities In Stock

We have synthesized more than 18,000 impurities as of date. VEEPRHO offers custom synthesis of impurity compounds on requests. ……Our Products

Purge Assessment of Toxic Compounds as per ICH M7

We offer a scientifically designed Computer Assisted Control Strategy for toxic compounds like Genotoxic and nitrosamine impurities as per ICH M7 & FDA guidance. ….Read More

18,000+ Impurities

100+ Scientists

24/7 Support

Worldwide Shipments

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Why choose Veeprho?

All of Veeprho’s products go through multiple quality checks to ensure that every product we ship is of the highest quality.

Our multiple quality checks have made our product’s rejection rate less than 0.01%, which is the lowest among all our competitors.

Low Rejection Rate

Pharmacopeia compliance

Specific information about impurities is found in current pharmacopeias like RRT RRF, which helps the client make a judgment to purchase impurities manufactured by Veeprho.

Veeprho’s impurities are analyzed by respective monograph to match RRT and RRF mentioned in table format in the monograph, it indicates compliance of USP, EP, BP, and other pharmacopeias, additional scientific data like MASS, NMR, and IR are support to respective impurities’ structure.

Veeprho impurity reference standards are well characterised and been used for quantitative analysis purposes in QC and Analytical.

Fast response

We at Veeprho understand your urgency and work around the clock to ensure all our in-stock products are ready to dispatch on the next working day after your order is received.

In case of high urgency, we recommend you contact us via email or by the “Request a Quotation” button. This will allow us to understand your requirement and timeline effectively and to support you appropriately.

All our ready to dispatch products are pre-inspected by our Quality Control (QC) and Analytical Team.

Impurity references delivery

Pharmaceutical Impurity Reference Standards are for Laboratories use and Research use only.

Veeprho Certifications and Accreditations