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Pharmacopeial Impurities (EP / USP / BP)

Lactulose EP Impurity B

Reference StandardAvailable on request

Buy Lactulose EP Impurity B (CAS 10257-28-0) from Zemixal: C6H12O6, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-033668.

Pack sizes
Lactulose EP Impurity B chemical structure
CAS number10257-28-0
FormulaC6H12O6
Molar mass180.16 g/mol
Physical formSolid
HS code38229090
InChIKeyWQZGKKKJIJFFOK-SVZMEOIVSA-N
IUPAC name(3R,4S,5R,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol

About Lactulose EP Impurity B

Lactulose EP Impurity B is supplied by Zemixal as a characterised reference material for Lactulose analysis. For your records (Reference Standard), the material is defined by CAS 10257-28-0, formula C6H12O6 and molar mass 180.16 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Warning (H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Lactulose

See every impurity, metabolite and related compound we list for this API.

Lactulose standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Lactulose EP Impurity B
Product nameLactulose EP Impurity B
Catalogue numberZX-033668
CAS number10257-28-0
IUPAC name(3R,4S,5R,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol
Molecular formulaC6H12O6
Molar mass180.16 g/mol
Exact mass180.0634
GradeReference Standard
Physical formSolid
XLogP3-2.6
H-bond donors / acceptors5 / 6
Topological polar surface area110 Ų
HS code38229090
InChIKeyWQZGKKKJIJFFOK-SVZMEOIVSA-N
SMILESC([C@@H]1[C@@H]([C@@H]([C@H](C(O1)O)O)O)O)O
PubChem CID6036
SynonymsLactulose - Impurity B, D-Galactopyranose, galactopyranose, galactopyranoside, Galactose, pure, D-Gal, d-galactopyranoside, D Galactose, SNFG:Gal, Gal (SNFG), GlyTouCan:G68158BT

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Lactulose EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Lactulose EP Impurity B

Which CAS number identifies Lactulose EP Impurity B?
Lactulose EP Impurity B is registered under CAS 10257-28-0. You may also see it listed as Lactulose - Impurity B, D-Galactopyranose, galactopyranose. Our catalogue number for this item is ZX-033668.
What are the formula and molar mass of Lactulose EP Impurity B?
For Lactulose EP Impurity B, its formula is C6H12O6 and its molar mass is 180.16 g/mol. The systematic (IUPAC) name is (3R,4S,5R,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol. InChIKey WQZGKKKJIJFFOK-SVZMEOIVSA-N lets you match it in any structure database.
How is Lactulose EP Impurity B used in pharmaceutical QC?
Lactulose EP Impurity B is a characterised reference material linked to Lactulose. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Lactulose EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Lactulose EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Lactulose EP Impurity B to my country?
Yes. Because Lactulose EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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