Preceptrol Cultures Escherichia coli (Migula) Castellani and Chalmers (ATCC® 33311™) ATCC® Number: 33311 ™ Strain Designations: BR469 Type Strain: no Biosafety Level: 1 For-Profit: $60.00 Non-Profit: $50.00 Add to Cart Preview Product Compare Biosafety Level: 1 Product Format: freeze-dried Product Sheet Certificateof Analysis MSDS 1