Description

Lacto-N-fucopentaose II is a structurally defined human milk oligosaccharide (HMO) with the CAS registry number 21973-23-9. This compound is a critical bioactive component that plays a significant role in modulating the infant gut microbiome and supporting immune system development. It is primarily utilized by researchers and manufacturers in the life sciences, particularly for applications in infant nutrition, functional food development, and advanced glycobiology research.

Application

• Infant Formula Fortification: Used as a key additive to mimic the composition and prebiotic benefits of human breast milk.
• Nutritional & Dietary Supplements: Incorporated into specialized adult and pediatric nutritional products for gut health support.
• Pharmaceutical Research: Serves as a standard or active ingredient in studies focused on gastrointestinal health, pathogen inhibition, and immunomodulation.
• Glycobiology & Biochemistry: Essential as a research tool for studying carbohydrate-protein interactions, enzymatic pathways, and cell surface recognition processes.
• Microbiome Studies: Applied as a selective substrate to cultivate and study beneficial gut bacteria such as Bifidobacteria.
• Diagnostic Development: Used in the development of assays and reagents for detecting specific carbohydrate-binding proteins or pathogens.

Basic Information

Product Name	Lacto-N-fucopentaose II
CAS No.	21973-23-9
Molecular Formula	C32H55NO25
Molecular Weight	853.78 g/mol
Synonyms	LNFP II; Lacto-N-fucopentaose 2; 2'-Fucosyllacto-N-tetraose; Fucosyllacto-N-tetraose II; α-L-Fuc-(1→2)-β-D-Gal-(1→3)-β-D-GlcNAc-(1→3)-β-D-Gal-(1→4)-D-Glc; Human Milk Oligosaccharide LNFP II; HMO LNFP II; 21973-23-9
EINECS	Contact for details

Quality Control

Our Lacto-N-fucopentaose II is produced under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and MS, to ensure it meets the high standards required for research and nutritional applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, keep desiccated. Allow the vial to equilibrate to room temperature before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Specific Rotation	Contact for details
Bacterial Endotoxins	< 1.0 EU/mg
Microbial Enumeration	Meets Ph. Eur. 2.6.12/2.6.13

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.