Have you had a look at their catalogue recently? Here are some prices:
DBL (N749) Dye
Item No Quantity Price (AUD) Item No Quantity Price (AUD)
MS003610-01 1g $3246 MS003610-10 10g $15900
MS003610-02 2g $5010 MS003610-20 20g $26250
MS003610-03 3g $7110 MS003610-50 50g $48000
MS003610-05 5g $9720 MS003610-100 100g POA
$3246 for 1g of DBL (N749) sensitising dye. Better be good stuff I reckon!
