Molekula
Lactulose liquid
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 liquid is a synthetic disaccharide used primarily as a laxative and in the management of hepatic encephalopathy. It is a clear, viscous liquid with a sweet taste, commonly administered orally. CAS: 4618-18-2, Molecular Formula: C12H22O11, Molecular Weight: 342.3 g/mol. Stable at ambient temperatures. No signal word required. Molekula supplies Lactulose liquid 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Colourless to ambery syrupy liquid, which may exhibit some precipitation and darkening upon standing |
| Refractive Index | 1.451 |
| Identification | Positive |
| Salmonella | Negative/10g |
| pH | 2.5 -6.5 |
| Specific Gravity | 1.300-1.380 |
| Assay | 95.0% - 105.0% |
| Residue on Ignition | ≤0.1% |
| Total Aerobic Count | ≤100 CFU/g |
| Single Unknown Impurity | ≤0.25% |
| E. Coli | Negative/g |
| Mould & Yeast | ≤10 CFU/g |
| Total Unknown Impurities | ≤3.25 |
| Fructose | ≤1.0% |
| Soluble starch and sulfites | ≤30ppm |
| Relative solubility | Miscible with water |
| Epilactose Assay | ≤8.0% |
| Lactose Assay | ≤12.0% |
| Galactose Assay | ≤16.0% |
| Tagatose Assay | ≤4.0% |
| Related unidentified substance A | ≤1.25% |
| Related unidentified substance B | ≤1.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
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 | 90036657 |
| 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 | 342.3 |
| 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 | Y110 |
| HTS Code | 29400000 |
| Tariff Code | 2940000010 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- lactulose
Frequently asked questions
What is lactulose liquid used for?
Lactulose liquid is primarily used as a laxative to treat constipation and hepatic encephalopathy. It works by drawing water into the colon and promoting bowel movements.
What is the chemical formula and molecular weight of lactulose liquid?
The chemical formula of lactulose is C12H22O11, and its molecular weight is 342.3 g/mol.
How should lactulose liquid be stored?
Lactulose liquid should be stored at ambient temperature, protected from light and moisture, and kept tightly closed.
What grade of lactulose liquid is available from Molekula?
Molekula supplies lactulose liquid in pharmaceutical grade, suitable for use in medical and research applications.
Can Molekula supply lactulose liquid in bulk?
Yes, Molekula can supply lactulose liquid in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with a lactulose liquid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation 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.