New batches of the following chemicals are ready for sale:

1,10-phenanthroline-2,9-dicarboxylic acid CAS: 57709-61-2

2,5-dimethylpyrazine CAS: 123-32-0

2-Tri-n-butylstannylpyridine CAS: 17997-47-6

4-methyl-2-(tributylstannyl)pyridine CAS: 301652-23-3