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 2000 · 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
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 — $97.60 per pack
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5 g — $346.20 per pack
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.
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.