Molekula

IPTG (Isopropyl-beta-D-thiogalactopyranoside)

SKU 21689530 CAS 367-93-1 C9H18O5S MW 238.30 In stock

IPTG (Isopropyl-beta-D-thiogalactopyranoside) is a molecular biology reagent used to induce gene expression in bacterial systems, particularly in lac operon-based expression vectors. It is a non-metabolizable analog of allolactose that binds to the lac repressor, allowing transcription of target genes. CAS: 367-93-1, Molecular Formula: C9H18O5S, Molecular Weight: 238.30 g/mol, Storage: 2 to 8 °C, Signal Word: Warning. Molekula supplies IPTG from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

1 g — $78.00 per pack
5 g — $172.60 per pack
25 g — $443.50 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	White powder
Melting Point	110 - 114°C
pH	5 - 7
Solubility	Clear, Colourless
Specific optical rotation	-28° to -33°
Purity(HPLC)	⩾ 98.5%
1,4-Dioxane	≤ 0.02%
Identification (IR)	Conforms to Reference

Storage & handling

Property	Value
Storage Temperature	2 to 8 °C
Shelf Life	24 months
Acidity	Neutral

Identification

Property	Value
SKU	21689530
CAS Number	367-93-1
Molecular Formula	C9H18O5S
Molecular Weight	238.30
SMILES	OCC1OC(SC(C)C)C(O)C(O)C1O
REACH Code	Y113
TSCA Listed	Yes
HTS Code	29389000
Tariff Code	2938909090

Safety & GHS

Warning

Health Hazard GHS07
Serious Health Hazard GHS08

Hazard statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H351 Suspected of causing cancer

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
P302+352 IF ON SKIN: Wash with soap and water
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in DE, FR, IT, ES, FI, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is IPTG used for?

IPTG is a molecular biology reagent used to induce gene expression in bacterial systems, particularly in lac operon-based expression vectors.

What is the chemical formula and molecular weight of IPTG?

The formula of IPTG is C9H18O5S with a molecular weight of 238.30 g/mol.

How should IPTG be stored?

IPTG should be stored at 2 to 8 °C to maintain stability and prevent degradation.

What grade of IPTG does Molekula supply?

Molekula supplies IPTG in high-purity grade suitable for molecular biology applications.

Can Molekula supply IPTG in bulk?

Yes, Molekula can supply IPTG in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with an IPTG order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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