Description

Ofatumumab is a human monoclonal antibody targeting the CD20 antigen on B lymphocytes. This product is a critical active pharmaceutical ingredient (API) for the formulation of targeted therapies in oncology and autoimmune diseases. It is essential for pharmaceutical manufacturers and research institutions developing treatments for conditions such as chronic lymphocytic leukemia (CLL) and multiple sclerosis.

Application

• Primary Active Pharmaceutical Ingredient (API) for injectable drug formulations.
• Research and development of novel monoclonal antibody-based therapeutics.
• Manufacturing of biosimilar products targeting CD20-positive B-cell disorders.
• Pre-clinical and clinical trial material for immunological studies.
• Reference standard for quality control and analytical method development.

Basic Information

Item	Details
Product Name	Ofatumumab
CAS No.	679818-59-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Arzerra; GSK1841157; 2F2; HuMax-CD20; Anti-CD20 Monoclonal Antibody; Human Monoclonal Anti-CD20 Antibody; UNII-90Z8U45K0B
EINECS	Contact for details

Quality Control

Our Ofatumumab is manufactured under strict quality systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, potency, and safety, meeting stringent specifications for pharmaceutical use. A Certificate of Analysis (COA) documenting compliance with relevant standards is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C. This product is hygroscopic (moisture-sensitive) and must be kept under controlled humidity conditions. For long-term storage, consider freezing at -20°C or below.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder or clear to slightly opalescent solution
Identification (HPLC/CE-SDS)	Conforms to reference standard
Purity (SEC-HPLC)	≥ 98.0% (Monomer)
Protein Content (A280)	95.0% - 105.0% of label claim
Potency (Bioassay)	90% - 125% of reference
Endotoxin (LAL)	< 1.0 EU/mg
pH	6.0 - 7.0 (for solution)
Sterility (Membrane Filtration)	Sterile

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