News
Latest news, technical insights and industry updates from CATO — 116 articles.
Join us at CPHI China 2026 !
Greetings from CATO Research Chemicals Inc. ! I trust this message finds you in good health and prospering. I am penning this letter to extend a cordi…
Which Impurity Reference Standards Are Needed for Empagliflozin Generic Development?
Empagliflozin (CAS 864070-44-0) is one of the best-selling SGLT2 inhibitors worldwide. As the patent expiry window approaches, the number of generic d…
Rosuvastatin Impurity Profile and Lactone Impurity: Structure, Pharmacopoeial Limits and Reference Standard Selection
Rosuvastatin calcium is one of the most potent lipid-lowering statins, reducing hepatic cholesterol synthesis through competitive inhibition of HMG-Co…
Food Safety Spotlight | Pork Antibiotic Residue Nearly 38 Times Over Limit Sparks Outrage — Lincomycin Residue Testing Is Urgent!
Antibiotic Scandal Hits a Major Brand's Meat Products On May 14, 2026, the Heilongjiang Provincial Administration for Market Regulation issued Notice …
Sweetness Soaring to 8,000 Times? The "Chemical-Soaked Waxberry" Incident — Who Guards Food Safety?
It is now the season when waxberries hit the market in large quantities; the sweet-sour and juicy waxberry is synonymous with early summer. However, r…
Major Release | CDE Notice No. 36 Draws the "Red Line" for Generic Drugs
On May 20, 2026, the National Medical Products Administration Center for Drug Evaluation (CDE) officially issued Notice No. 36, simultaneously releasi…
What Is Mirogabalin? A Full Analysis of the Clinical Advantages and Quality Control of the New-Generation α2δ Ligand for Neuropathic Pain
1. Mirogabalin: A More Selective α2δ Ligand Than Pregabalin Mirogabalin (CAS: 1138245-13-2; besylate salt CAS: 1138245-21-2) , development code DS-556…
Upgraded GB/T 39560.12 Testing for Electrical and Electronic Products? CATO's Matching Mixed Standards Launched to Double Your Efficiency!
Starting October 1, 2024, the national standard "GB/T 39560.12-2024 Determination of certain substances in electrical and electronic products — Part 1…
In April, at Tokyo Big Sight | CATO Invites You to CPHI Japan 2026
From April 21 to 23, 2026, CPHI Japan 2026 will be grandly held at Tokyo Big Sight. As one of the largest pharmaceutical ingredient and technology exh…
A Thousand-Yuan Yoga Pants Containing "Forever Chemicals"? Lululemon Under Investigation — Time to "Sweep" Your Wardrobe
On April 13, 2026, the Attorney General of Texas, USA, formally launched a civil investigation into Lululemon USA, a sportswear giant, with the focus …
Complete Guide to Rifaximin Impurity Reference Standards: Analysis of Eight EP Impurities + Consistency Evaluation Stocking List
1. Rifaximin: A Gut-Selective Antibacterial Agent — Why Its Impurity Control Is Especially Complex Rifaximin is a semisynthetic derivative of rifamyci…
CATO CoA Upgrade：Professional Information at a Glance
Dear CATO Customers and Partners, To continuously improve our services and provide you with more professional, detailed, and standardized product info…
Now Available | CATO Acyclovir EP Impurity R – Empowering Antiviral Drug Quality Control
Acyclovir , the first truly effective antiviral drug, was discovered and patented by GlaxoSmithKline in 1974, entered clinical trials in 1977, and was…
FDA Adds 12 High-Risk Nitrosamine Impurities, Spotlighting Meglumine-Related NDSRIs
Recently, the U.S. FDA updated its Nitrosamine Impurities Acceptable Intake Limits database, adding 12 new high-risk nitrosamine impurities. Among the…
CATO Contributes to the Release of National Standard for Determining Isotopic Abundance in Deuterated Reagents
April 25, 2025 – Guangzhou, China — The State Administration for Market Regulation (SAMR) and the Standardization Administration of China (SAC) have o…
CATO’s New Cosmetic Active Ingredient Series
As skincare formulation becomes more sophisticated, functional active ingredients are now central to product innovation and differentiation. For too l…
REACH Annex XVII Adds New Restrictions on DMAC and NEP
On June 3, 2025, the European Union officially published Commission Regulation (EU) 2025/1090 in its Official Journal, introducing significant amendme…
CATO's Azithromycin-D5: Powering Precision Analytics
Azithromycin-D5 is synthesized by selectively replacing five specific hydrogen atoms in the azithromycin molecular structure with deuterium. It retain…
Recommended Major Nitrosamine Impurities : N-Nitroso Finerenone
Pharmaceutical Companies Face "Bottleneck" Problems in R&D? CATO Helps Break Through Nitrosamine Impurity Challenges for Major Drug Products In recent…
CATO Attend 75th PITTCON Conference and Exposition
CATO Booth Number 1642 From February 24-28, 2024, the 2024 Pittcon Analytical Chemistry and Spectroscopy Applications Conference and Exhibition will b…