We would appreciate you adding a link to GESTIS substance database to your page. There are two possibilities of linking:
By using this alias address, you make sure that internal reorganisation of the web site structure will not affect your link.
The six-digit number at the end of the link is the ZVG number, in this case 010520 for formaldehyde. If the ZVG number has less than six digits, leading zeros have to be added.
A table contrasting ZVG number with CAS number, EC number and INDEX number (XLSX, 983 kB) (processed in May 2021) is available for download.