Astech Ireland Ltd. is ISO 9001-2015 accredited, certified by NQA.
Chitin, from crab shells, 100 g, plastic
Chitin, from crab shells, Molar mass (M) ~400 000 g/mol, CAS No. [1398-61-4], EG-Nr. 215-744-3, Empirical formula (C8H13NO5)n