Description

Pfg 25-27 Protein CAS NO 137877-72-6 is a high-purity, well-defined protein fraction with a specific molecular weight range, making it a critical raw material for advanced biopharmaceutical and diagnostic applications. Its consistent quality and defined characteristics are essential for ensuring reproducibility and efficacy in sensitive downstream processes. This product is primarily targeted at manufacturers in the pharmaceutical, biotechnology, and in-vitro diagnostic (IVD) industries who require reliable and traceable biological components.

Application

• Pharmaceutical Formulation: Used as an excipient or stabilizer in biologic drug products, including vaccines and therapeutic proteins.
• Diagnostic Reagent Production: Serves as a key component in immunoassays, lateral flow tests, and other diagnostic kits requiring high-specificity protein matrices.
• Cell Culture Media Supplement: Provides essential nutrients and growth factors in specialized cell culture systems for research and production.
• Biochemical Research: Employed as a standard or reagent in protein chemistry studies, binding assays, and analytical method development.
• Cosmetic & Dermatology: Incorporated into high-end skincare formulations for its functional properties.

Basic Information

Product Name	Pfg 25-27 Protein
CAS No.	137877-72-6
Molecular Formula	Contact for details
Molecular Weight	25-27 kDa (Fraction)
Synonyms	Protein Fraction 25-27 kDa; Pfg Protein; 25-27 kDa Protein Fraction; Bovine Protein Fraction (Pfg 25-27); Plasma Fraction; Serum Protein Fraction; Diagnostic Grade Protein; Biopharmaceutical Grade Protein
EINECS	Contact for details

Quality Control

Our Pfg 25-27 Protein is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as protein content, molecular weight distribution, and purity are provided and available upon request, supporting compliance with cGMP and other relevant regulatory guidelines for pharmaceutical ingredients.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C. This product is hygroscopic (moisture-sensitive). Allow the container to reach room temperature before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to standard
Protein Content (Biuret)	≥ 95.0%
Molecular Weight Range (SDS-PAGE)	25 - 27 kDa
Moisture (Loss on Drying)	≤ 5.0%
pH (Solution)	6.5 - 7.5
Endotoxin (LAL)	< 10 EU/mg
Microbial Limits	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.