Availability checks of chem.eu done over the past 1 319 days from April 15, 2021, reached 35. On September 15, 2024, chem.eu was confirmed up for the 15 time from all assessments conducted, by a 200 status code. As of November 25, 2023, the most recent check, chem.eu was unavailable 57.14% of the time, or 20 times. According to received replies, as of November 25, 2024, all responses have been noted as error-free. Compared to its average of 0.834 seconds, chem.eu's September 15, 2024, response was 0.117 seconds.