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K-REACH: Chemical Inventory; Pre-registration; Only Representative Service; CICO Management; Chemical Substance Registration; Supply Chain Management; Physchem and Toxicology Studies; QSAR and Read-across

K-BPR: Biocide; Active Substance Approval; Biocidal Product Approval; Labelling of Biocide

Product Consulting: Household Chemical Products Subject to Safety Confirmation; Priority Control Substances Contained Products; Food Contact Substance; Finished Article; Quasi-medicine, Hygiene Products and Cosmetics; Consumer (Product) Risk Assessment

CCA and IPPC: Chemical Confirmation; Off-site Consequence Analysis; Risk Management Plan; Installation Inspection Consulting; Safety Investigation Consulting; HAPs Emission Facility Notification; TRI Consulting; Integrated Environmental Management Plan Report; Emission Reduction Plan Report

Risk Assessment: Environmental Risk Assessment; Product Risk Assessment; Workers Risk Assessment

Overseas Registration: EU REACH; China; US; Japan; Taiwan; Turkey; Other Countries; CAS Registration; Toxicology Testing

GHS MSDS: MSDS Generation (Manual); MSDS Automatic Generation; Chemical Database; Worldwide Regulation DB

Environmental IT Solution: Dr. CMS; Dr. MSDS; Dr. LDAR plus; Dr. PSM; Dr. EHS

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Home Overseas Registration CAS Registration

CAS Registration

Chemicals can be expressed in different ways:

· Molecular formula
· Structure diagram
· Systematic names
· Generic names
· Proprietary or trade names

In addition, chemicals can be named differently according to different chemical naming schemes.
The American Chemical Society (ACS) has assigned a unique number or CAS number to the chemical to avoid this confusion. To date, about 32 million species of organic and inorganic chemicals have been assigned a CAS number, which is constantly being updated.
In particular, where new chemicals are manufactured, importers or exporters often require a CAS number for the substance.
This is because the CAS number is a identification number for the substance and is therefore a reliable international standard for identification of chemical identity.

After identifying the structure and properties of the material, Chemtopia provides CAS number registration service through its connection with CAS in the U.S.