Is rBST (Recombinant bovine somatotropin) is available as pure chemical? If so who is the dealer sales it. Is it available in Sigma? Pl inform.
https://www.prospecbio.com/growth_hormone_bovine
750 bucks for 1 mg.
Craig's recommendation is the recombinant produced, the same as used in cow to increase the milk production, the heterologous expression does not affect the activity, significantly at least.
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