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Molekula

Molekula

6-Chloro-3-indolyl-beta-D-galactopyranoside (Rose-gal)

SKU 55098862 CAS 138182-21-5 C14H16NO6Cl MW 329.73 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

6-Chloro-3-indolyl-beta-D-galactopyranoside, commonly known as Rose-gal, is a chromogenic substrate used in molecular biology for detecting beta-galactosidase activity, producing a red precipitate upon hydrolysis. This compound is widely employed in reporter gene assays, colony screening, and enzyme activity studies. Catalogue details: CAS 138182-21-5, molecular formula C14H16NO6Cl, molecular weight 329.73 g/mol. Store at ambient temperature. No signal word indicated. Molekula supplies 6-Chloro-3-indolyl-beta-D-galactopyranoside from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 mg — $70.90 per pack
  • 1 g — $177.30 per pack

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Specifications

Property Value
Appearance White Powder
Water <12%
Purity >97% (by tlc)
Storage Conditions Long term storage at -20 ° C under Nitrogen. Protect from light and humidity. The product contains solvent of crystallisation (Ethyl acetate).

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 55098862
CAS Number 138182-21-5
IUPAC Name (2S,3R,4S,5R,6R)-2-[(6-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Molecular Formula C14H16NO6Cl
Molecular Weight 329.73
Exact Mass 329.0666
SMILES C1=CC2=C(C=C1Cl)NC=C2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O
InChIKey OQWBAXBVBGNSPW-MBJXGIAVSA-N
InChI InChI=1S/C14H16ClNO6/c15-6-1-2-7-8(3-6)16-4-9(7)21-14-13(20)12(19)11(18)10(5-17)22-14/h1-4,10-14,16-20H,5H2/t10-,11+,12+,13-,14-/m1/s1
PubChem CID 7567562
REACH Code Y113
HTS Code 29400060
Tariff Code 2940000080

Safety & GHS

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection

Documents

Safety Data Sheets (SDS)

Available in English.

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 6-Chloro-3-indolyl-beta-D-galactopyranoside (Rose-gal) used for?

Rose-gal is primarily used as a chromogenic substrate for detecting β-galactosidase activity in molecular biology, particularly in red/pink-white colony screening for recombinant DNA experiments, where hydrolysis yields a rose-red precipitate.

What is the chemical formula and molecular weight of Rose-gal?

The chemical formula is C₁₄H₁₆NO₆Cl, and the molecular weight is 329.73 g/mol.

How should Rose-gal be stored?

Store Rose-gal at ambient temperature in a dry, well-ventilated area, protected from light and moisture.

What grade or purity is available for Rose-gal?

Molekula supplies analytical grade Rose-gal, suitable for research and molecular biology applications.

Can Molekula supply Rose-gal in bulk quantities?

Yes, we offer bulk quantities of Rose-gal upon request—please contact our sales team for pricing and availability.

What documentation comes with an order of Rose-gal?

Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.

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