In the vast and intricate world of chemistry, precise identification of chemical substances is paramount for ensuring purity, safety, and traceability. The Chemical Abstracts Service (CAS) Registry Number is a unique identifier assigned to every chemical substance described in the open scientific literature. Understanding and correctly utilizing CAS numbers, such as for 5-Fluoro-2-methylbenzenesulfonyl Chloride (CAS 445-05-6), is fundamental for anyone involved in chemical procurement, research, or manufacturing.
At NINGBO INNO PHARMCHEM CO.,LTD., we recognize the critical role that CAS numbers play in the chemical industry. Our commitment to quality extends to ensuring that every product we supply, including our range of fine chemicals and intermediates, is accurately identified by its CAS number. For 5-Fluoro-2-methylbenzenesulfonyl Chloride, its CAS number, 445-05-6, serves as a universal reference, guaranteeing that our clients receive precisely the compound they require. This meticulous attention to detail is vital for pharmaceutical synthesis, agrochemical development, and all forms of precise organic chemistry.
When you choose to buy from NINGBO INNO PHARMCHEM CO.,LTD., you can be confident in the integrity of our products. The correct CAS identification, coupled with our rigorous quality control measures and manufacturing standards, provides an assurance of purity and consistency. This traceability is especially important for regulated industries where documentation and verification are essential. Our role as a reliable manufacturer and supplier in China means we can offer this assurance along with competitive pricing and dependable delivery for compounds like 5-Fluoro-2-methylbenzenesulfonyl Chloride.
For all your chemical sourcing needs, especially for specialized intermediates, relying on accurately identified substances via their CAS numbers is a non-negotiable aspect of quality assurance. We encourage you to partner with NINGBO INNO PHARMCHEM CO.,LTD. for all your chemical requirements. Familiarize yourself with the importance of CAS numbers and confidently procure high-quality chemicals from a trusted supplier. Contact us today to learn more about our product offerings and how we can support your projects with purity and precision.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.