IPTG (isopropyl β-D-thiogalactoside, thiogalactoside isopropyl ester, isopropyl β-D-1-thiogalactopyranoside, lad-y) is a galactose, a molecular mimic of isolactose that triggers the transcription of lactose operons, thereby stimulating protein expression.

 

Brand: BCM

 

Melting Point: 105 °C

 

Specific Rotation: -31 º (c=1, water)

 

pKa: 13.00±0.70(Predicted)

 

Stability: Stable. Incompatible with strong oxidizing agents.

 

Solubility: Soluble in DMSO; soluble in Water; soluble in Ethanol.

 

Isomeric SMILES: CC(C)S[C@H]1[C@@H]([C@H]([C@H]([C@H](O1)CO)O)O)O  

 

InChIKey: BPHPUYQFMNQIOC-NXRLNHOXSA-N  

 

InChI: InChI=1S/C9H18O5S/c1-4(2)15-9-8(13)7(12)6(11)5(3-10)14-9/h4-13H,3H2,1-2H3/t5-,6+,7+,8-,9+/m1/s1

 

Attribute
[CAS No.]	367-93-1
[EINECS]	206-703-0
[Formula]	C9H18O5S
[Molecular]	238.3
[Chem Name]	(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-propan-2-ylsulfanyloxane-3,4,5-triol
[Synonym]	IPTG; Isopropyl-beta-D-thiogalactopyranoside
[Storage]	Inert atmosphere. Store in freezer, under -20°C
[MDL No.]	MFCD00063273
[Form]	White powder

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