Acetylcholine

Fisher AC159170050 5 gr, $13.92

MW = 181.7

Working concentration = 10^-4M = 0.01817 g/L

10 mL 100X stock

0.01817 g acetylcholine

10 mL ringers or seawater

12 mL 10X stock for students to make dilutions

1.2 mL 100X stock

Ringers or sea water to 12 mL

Aliquot 2 mL into 5 tubes

15 mL 1X working concentration

0.15 mL 100X stock

Ringers or sea water to 15 mL

aliquot 1 mL into 14 tubes