Molekula
4-Nitrophenyl-alpha-D-galactopyranoside
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Nitrophenyl-alpha-D-galactopyranoside is a glycoside used in enzymatic assays, particularly for studying alpha-galactosidase activity. It serves as a chromogenic substrate, producing a yellow color upon hydrolysis. Available with CAS number 7493-95-0, molecular formula C12H15NO8, and molecular weight 301.25 g/mol. Stored at -15 to -20 °C. Molekula supplies 4-Nitrophenyl-alpha-D-galactopyranoside from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
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1 g — £51.40 per pack ex VAT · £61.68 inc. VAT
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5 g — £182.30 per pack ex VAT · £218.76 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 12679080 |
| CAS Number | 7493-95-0 |
| IUPAC Name | (2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol |
| EC Number | 231-343-6 |
| Molecular Formula | C12H15NO8 |
| Molecular Weight | 301.25 |
| Exact Mass | 301.0798 |
| SMILES | C1=CC(=CC=C1[N+](=O)[O-])O[C@@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O |
| InChIKey | IFBHRQDFSNCLOZ-IIRVCBMXSA-N |
| InChI | InChI=1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/m1/s1 |
| PubChem CID | 82000 |
| REACH Code | Y113 |
| HTS Code | 2940006000 |
| Tariff Code | 2940000080 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol
- 1-O-(4-nitrophenyl)-alpha-D-galactopyranose
- 1-O-(4-nitrophenyl)-alpha-D-galactose
- 1-O-(p-nitrophenyl)-alpha-D-galactopyranose
- 1-O-(p-nitrophenyl)-alpha-D-galactose
- 4-Nitrophenyl a-D-galactopyranoside
- 4-nitrophenyl-alpha-D-galactoside
- alpha-D-Galactopyranoside, 4-nitrophenyl
- p-Nitrophenyl alpha-D-galactopyranoside
- p-nitrophenyl-alpha-D-galactoside
Frequently asked questions
What is 4-Nitrophenyl-alpha-D-galactopyranoside used for?
It is primarily used as a chromogenic substrate for alpha-galactosidase enzyme assays in biochemical research.
What is the chemical formula and molecular weight?
The formula is C12H15NO8 with a molecular weight of 301.25 g/mol.
How should this compound be stored?
It should be stored at temperatures between -15 and -20 °C to maintain stability.
What grade is available?
This product is available in analytical grade for research use.
Can Molekula supply it in bulk?
Yes, Molekula can supply 4-Nitrophenyl-alpha-D-galactopyranoside in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.