Molekula
Lactulose
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
Lactulose is a synthetic disaccharide used primarily as a laxative and in the treatment of hepatic encephalopathy. It is also used in diagnostic tests for intestinal absorption. Available with CAS number 4618-18-2, molecular formula C12H22O11, and molecular weight 342.30 g/mol, it is stable at ambient storage conditions. Molekula supplies Lactulose 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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25 g — £77.70 per pack ex VAT · £93.24 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 | White powder |
| Water | <2% |
| Purity (HPLC) | >99% |
| Specific optical rotation | -46 to -50 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 169 °C |
Source: PubChem CID 11333 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 53854902 |
| CAS Number | 4618-18-2 |
| IUPAC Name | (2S,3R,4S,5R,6R)-2-[(2R,3S,4S,5R)-4,5-dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol |
| EC Number | 225-027-7 |
| Molecular Formula | C12H22O11 |
| Molecular Weight | 342.30 |
| Exact Mass | 342.1162 |
| SMILES | C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@@]([C@H]2O)(CO)O)CO)O)O)O)O |
| InChIKey | JCQLYHFGKNRPGE-FCVZTGTOSA-N |
| InChI | InChI=1S/C12H22O11/c13-1-4-6(16)7(17)8(18)11(21-4)22-9-5(2-14)23-12(20,3-15)10(9)19/h4-11,13-20H,1-3H2/t4-,5-,6+,7+,8-,9-,10+,11+,12-/m1/s1 |
| PubChem CID | 11333 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| 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, English (US), 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
- Acilac
- Bifiteral
- Cephulac
- Cholac
- Chronulac
- Constilac
- Constulose
- D-Lactulose
- Lactulosa
- Lactulosum
Frequently asked questions
What is lactulose used for?
Lactulose is primarily used as a laxative and in the treatment of hepatic encephalopathy. It is also used in research and diagnostic applications.
What is the chemical formula and molecular weight of lactulose?
The chemical formula of lactulose is C12H22O11, and its molecular weight is 342.30 g/mol.
How should lactulose be stored?
Lactulose should be stored at ambient temperature, protected from moisture and light.
What grade of lactulose does Molekula supply?
Molekula supplies lactulose in research grade; specific grades may vary based on availability.
Can Molekula supply lactulose in bulk?
Yes, Molekula can supply lactulose in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a lactulose order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS can be provided upon request.
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.