(1758-1400)IPTG 异丙基-b-D-硫代半乳糖苷

Inalco code 1758-1400 C.A.S. R.N. [367-93-1] Applications β-alactosidase inducer used also as an inducer for the activity of the E. coli lac operon by linking and inactivating the lac repressor gene, without being degraded by the enzyme like the natural substrate,actose. Formula C9H18O5S Molecular Weight 238.3 Appearance White powder Assay (HPLC) ≥ 99.0% Specifc Rotation [α]20D -32º ± 1 (c=1 in H2O) Water Content (K.F.) ≤ 1% pH 5 - 7 (5% in H2O) Solubility Clear and colorless solution (5% in H2O) I.R. Conforming to the structure Storage Store at 0-4º C; protect from light a Toxicity Toxicity unknown; avoid exposure.