Compound Q&A
What is IPTG (CAS: 367-93-1)?
Answer
IPTG, or Isopropyl β-D-1-thiogalactopyranoside, is a synthetic analog of lactose used extensively in molecular biology. Its chemical formula is C9H18O5S, and it is a white crystalline solid that is stable under normal conditions. IPTG is commonly used as an inducer for gene expression in recombinant systems due to its ability to bind to the lac repressor protein and initiate transcription.
About
CAS No
367-93-1
English Name
IPTG
Molecular Formula
C9H18O5S
Molecular Weight
238.31 g/mol
SMILES
CC(C)SC1OC(CO)C(O)C(O)C1O
InChIKey
BPHPUYQFMNQIOC-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07