Description

Biotin-Cysteine CAS NO 151009-85-7 is a specialized biochemical conjugate that combines the essential vitamin biotin with the amino acid cysteine. This compound is critical for advanced bioconjugation and labeling techniques, enabling precise targeting and detection in complex biological systems. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and diagnostic sectors for applications such as protein purification, biomarker discovery, and the development of targeted therapeutics.

Application

• Bioconjugation Reagent: Used for site-specific labeling of proteins, antibodies, and peptides for research and diagnostic assay development.
• Affinity Purification: Serves as a key intermediate in the synthesis of biotinylated probes for streptavidin/avidin-based capture and purification systems.
• Diagnostic Kits: Employed in the manufacturing of ELISA, lateral flow assays, and other immunoassays that require high-sensitivity detection.
• Drug Delivery Systems: Investigated for use in creating targeted drug conjugates where biotin acts as a targeting moiety.
• Cellular Imaging: Facilitates the study of cellular processes through fluorescence or other detection methods when linked to appropriate reporters.
• Biochemical Research: A vital tool in studying protein-protein interactions, receptor mapping, and signal transduction pathways.

Basic Information

Product Name	Biotin-Cysteine
CAS No.	151009-85-7
Molecular Formula	C14H23N4O4S2
Molecular Weight	383.49 g/mol
Synonyms	Biotin-L-Cysteine; Biotin-Cys; N-Biotinyl-L-cysteine; L-Cysteine, N-biotinyl-; Biotinylated Cysteine; (+)-Biotinyl-L-cysteine; Vitamin H-Cysteine Conjugate; 5-[(3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]-N-(2-amino-2-carboxyethyl)pentanamide
EINECS	Contact for details

Quality Control

Our Biotin-Cysteine is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and in-vitro diagnostic use. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can provide material tailored to specific project requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability. Allow the sealed container to reach room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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