26000+varieties of analytical reference standard

  • 13640

    Pharmacuetical impurity

  • 2225

    Industrial impurity

  • 1908

    Pesticide residue

  • 1567

    Veterinary drug residue

  • 1115


  • 1023


  • 1288

    Nature extraction

  • 5313


  • Finished product warehouse
  • Global logistics operation
  • Dedicated tracking

Finished product warehouse -located in America and China, about 90% of items in stock.

FedEx and SF express as designated freight forwarders, fast and reliable delivery serves many countries and regions.
Specialized customer service staff track whole transportation cycle, covering dispatching, sorting, transiting and delivery, to make sure the cargo delivered safely and quickly.

Shorter Lead Time
Focus on R&D and exquisite service

  • Customized synthesis
  • Flexible specification
  • Commercial service
  • Technique visit
Customized synthesis

Customized reference materials,and promise that each product is in strict accordance with ISO9001 and ISO17034 quality standards for production management.

 ●Certificate offering: each product can provide analysis certificate (COA), MSDS, GC/ lc-ms, HNMR, HPLC.

 More services: we can also add IR, moisture, UV, HMBC, CNMR, polarimetry and three-dimensional NMR data according to customer requirements.

 Service commitment: the concentration error of customized products shall not exceed ± 5% of the specified concentration.


CATO's products have obtained ISO9001,  ANAB ISO17034 ,CNAS ISO17034 and other international quality standard certifications. A complete quality management system ensures that we can continuously provide customers with high-quality products and services.

CNAS ISO 17034:2017

ISO 9001:2015

ISO 17034:2016





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