Description

Cytochrome B5 CAS NO 9035-39-6 is a heme-containing electron transfer protein essential in numerous biological oxidation-reduction reactions. Its primary commercial value lies in its role as a critical reagent in biochemical research, pharmaceutical development, and enzymatic studies. This high-purity protein is indispensable for researchers and manufacturers in the biotechnology, pharmaceutical, and diagnostic sectors who require reliable, well-characterized biomolecules for their work.

Application

• Biochemical Research: Used as a standard and reagent in studies of electron transport chains, cytochrome P450 systems, and redox biology.
• Pharmaceutical Development: Employed in drug metabolism studies, particularly in investigating interactions with the cytochrome P450 enzyme family.
• Enzyme Reaction Studies: Serves as an electron donor in in vitro reconstitution experiments to study fatty acid desaturation and other enzymatic processes.
• Diagnostic Kit Manufacturing: A key component in the formulation of certain clinical diagnostic assays and test kits.
• Metabolic Pathway Analysis: Utilized in research focused on understanding lipid metabolism and steroidogenesis.

Basic Information

Product Name	Cytochrome B5
CAS No.	9035-39-6
Molecular Formula	N/A (Protein)
Molecular Weight	~16,000 Da (Approx., varies by source and isoform)
Synonyms	Cytochrome b5; Ferrocytochrome b5; Microsomal Cytochrome b5; Hemoprotein b5; Cytochrome B-5; Apocytochrome b5; B5 Cytochrome; Reductase (Cytochrome b5); E.C. 1.6.2.2
EINECS	Contact for details

Quality Control

Our Cytochrome B5 is produced and tested under stringent quality management systems. Each batch is characterized for purity, activity, and identity to ensure it meets the exacting requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing specifications such as purity (by HPLC), specific activity, and spectral properties (A413/A280 ratio) is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store desiccated at -20°C or below. This product is hygroscopic (moisture-sensitive). Avoid repeated freeze-thaw cycles. For short-term use, store at 2-8°C.

Specification

Item	Specification
Appearance	Dark red to brown lyophilized powder
Identification (IR)	Conforms to standard
Purity (HPLC)	≥ 95%
Specific Activity	Contact for details
Spectral Purity (A413/A280)	≥ 4.0
Protein Content (Biuret)	≥ 90%
Solubility	Soluble in water or buffer
Endotoxin Level	< 1.0 EU/mg (Research Grade)

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