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How much for meth 100g, 200g, 500g, 1kg? Shipment to Poland.

I'm interested in 3cmc, shipment to Poland by InPost. How much for 100g, 500g and 1kg?

Hey guys, I have made some 3cmc in ethyl acetate and yield was below 20%. I used 100g 2b3c, 200ml ethyl acetate and 200ml methyloamine. Now I'm looking for my mistake and I think the problem is in amination process. How long should amination lasts? Color of solution is any signal that I must...