casrn	user assay1	user assay2	user assay3	user assay4
115-32-2	1.2	1.3	1.5	1.7
117-81-7	2.2	2.3	2.5	2.7
120-47-8	3.6	3.7	3.8	3.9
13311-84-7	4.1	4.2	4.3	4.4
140-66-9	5.1	5.2	5.3	5.4