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Home/Compounds/Research Reagent/Isopropyl β-D-thiogalactopyranoside
C9H18O5S
238.3 g/mol
Research ReagentWarning

IPTG

CAS367-93-1EC206-703-0
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound

Isopropyl beta-D-thiogalactopyranoside is an S-glycosyl compound consisting of beta-D-1-thiogalactose with an isopropyl group attached to the anomeric sulfur. It is commonly used as a research reagent to induce lac gene activity.

Induction of protein synthesisDetection of lac gene activity

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

D-Glucose-6-phosphate disodium salt

CAS3671-99-6

research compound

ReferenceSame Category

Bromoethane-(2H5)

CAS3675-63-6

research compound

ReferenceSame Category

{2,2,6,6-Tetrakis[(²H₃)methyl]-4-oxo(²H₄)piperidin-1-yl}oxidanyl

CAS36763-53-8

research compound

ReferenceSame Category

Triethyloxonium tetrafluoroborate

CAS368-39-8

research compound

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Customs Tariff Classification

The international HS code for IPTG (CAS 367-93-1) is 2932.99.

HS code (international, 6-digit)

2932.99

EU CN code (8-digit)

2932 99 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-propan-2-ylsulfanyloxane-3,4,5-triol

InChIKey

BPHPUYQFMNQIOC-NXRLNHOXSA-N

SMILES

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

Synonyms (47)
  • IPTG
  • 1px4
  • 3dyo
  • 3i3d
  • 3muz
  • 3t08
  • 3t0b
  • 3t2p
  • 3vd4
  • 3vd9
  • 3vdc
  • 4oue
  • IPTG (animal free)
  • IPTG (dioxane free)
  • IPTG non-animal origin
  • ISOPROPYL THIOGALACTOSIDE
  • Thiogalactoside, Isopropyl

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