2-Nitrophenyl β-D-galactopyranoside, 98%

Name: 2-Nitrophenyl β-D-galactopyranoside, 98%
Brand: Vaqora Chemicals
SKU: VQ-002592

About 2-Nitrophenyl β-D-galactopyranoside, 98%

2-Nitrophenyl β-D-galactopyranoside (CAS 369-07-3) is an enzyme / protein reagent offered by Vaqora Chemicals in Biochemistry grade, specified at 98% purity. With the molecular formula C12H15NO8, it has a molar mass of 301.25 g/mol. Systematically, it is named (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol. Alternative names: o-Nitrophenyl ß-D-galactopyranoside and ONPG.

In its supplied form it is a white to yellow powder or crystals or crystalline powder. Literature values give a melting point of 195-198 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for enzymatic assays, enzyme inhibition studies, protein research and diagnostic assays. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Available in 500 mg, 1 g, 5 g and 10 g packs, 2-Nitrophenyl β-D-galactopyranoside is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research
Diagnostic assays

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Nitrophenyl β-D-galactopyranoside, 98%
Catalogue No.	VQ-002592
CAS Number	369-07-3
IUPAC name	(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol
Molecular formula	C₁₂H₁₅NO₈
Molecular weight	301.25 g/mol
Exact mass	301.0798
Grade	Biochemistry
Purity / assay	98%
HSN code	29095090
InChIKey	KUWPCJHYPSUOFW-YBXAARCKSA-N
SMILES	C1=CC=C(C(=C1)[N+](=O)[O-])O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O
PubChem CID	96647

Physical properties
Physical form	Crystalline
Appearance	White to yellow powder or crystals or crystalline powder
Melting point	195-198 °C
LogP (XLogP3)	-1.2
H-bond donors / acceptors	4 / 8
TPSA	145 Å²
Synonyms	o-Nitrophenyl ß-D-galactopyranoside, ONPG, beta-D-Galactopyranoside, nitrophenyl, 2-Nitrophenyl-beta-D-galactopyranoside, 2-Nitrophenyl beta-D-galactopyranoside, o-Nitrophenyl beta-D-galactopyranoside, 2-Nitrophenyl beta-D-galactoside, 2-Nitrophenyl, A-D-galactopyranoside, (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triol, o-Nitrophenyl-beta-D-galactoside, b-D-Galactopyranoside, 2-nitrophenyl

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Nitrophenyl β-D-galactopyranoside, 98%?

The CAS Registry Number of 2-Nitrophenyl β-D-galactopyranoside, 98% is 369-07-3. It is also known as o-Nitrophenyl ß-D-galactopyranoside, ONPG, beta-D-Galactopyranoside, nitrophenyl.

What is the molecular formula and molecular weight of 2-Nitrophenyl β-D-galactopyranoside, 98%?

2-Nitrophenyl β-D-galactopyranoside, 98% has the molecular formula C12H15NO8 and a molecular weight of 301.25 g/mol. Its IUPAC name is (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol.

Which grade and pack sizes of 2-Nitrophenyl β-D-galactopyranoside, 98% can I order?

We supply 2-Nitrophenyl β-D-galactopyranoside, 98% in Biochemistry (98%) grade, in 500 mg, 1 g, 5 g, 10 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Nitrophenyl β-D-galactopyranoside, 98%?

Yes. Every lot of 2-Nitrophenyl β-D-galactopyranoside, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Nitrophenyl β-D-galactopyranoside, 98% be shipped internationally?

Yes. 2-Nitrophenyl β-D-galactopyranoside, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.