D-Cysteine Powder is the D-isomer form of cysteine, an amino acid commonly used in advanced biochemical and pharmaceutical research. While L-Cysteine functions as a precursor in glutathione synthesis and detoxification processes, D-Cysteine is not metabolized by human enzymes, making it uniquely valuable for controlled experimental setups.

Its stereochemical orientation allows researchers to study molecular interactions, enzyme selectivity, redox chemistry, and protein structure without biological interference. This makes D-Cysteine Powder a preferred compound in laboratory environments where isomer differentiation and chirality behavior are key components of research.

What Is D-Cysteine Powder?

D-Cysteine is the mirror-image isomer of naturally occurring L-Cysteine. Although both share the same chemical formula, the spatial orientation of the D-form drastically changes its biological interactions. Enzymes, receptors, and metabolic pathways selectively process L-amino acids, making the D-isomer highly valuable for testing:

• Stereochemical effects

• Thiol reactivity

• Enzyme binding selectivity

• Oxidation and reduction reactions

• Protein-engineering pathways

• Pharmaceutical formulation behavior

D-Cysteine Powder is commonly used in research where chirality must be monitored, controlled, or compared.

Key Features & Specifications

• Purity: ≥98% or ≥99% (HPLC-tested)

• Grade: Research & Pharmaceutical grade

• Appearance: White to off-white crystalline or powder form

• Solubility: Soluble in water; sulfur-containing reactivity

• Molecular Formula: C3H7NO2S

• Molecular Weight: 121.16 g/mol

Quality Testing Includes:

• HPLC chromatographic purity

• Heavy metal screening

• Microbial limit testing

• Optical rotation verification

• Moisture content analysis

All batches meet strict GMP and ISO quality control standards.

Applications of D-Cysteine Powder

1. Pharmaceutical & Drug Research

D-Cysteine is used in:

• Enzyme stereoselectivity evaluation

• Drug-receptor interaction modeling

• Pharmacokinetic and stability studies

• Comparative isomer research

2. Biochemical & Molecular Biology Studies

Researchers use D-Cysteine to explore:

• Thiol-based redox reactions

• Protein folding and structural behavior

• Peptide assembly

• Chiral reaction pathways

3. Analytical Chemistry

D-Cysteine Powder acts as a reference standard for:

• Isomeric purity testing

• Optical rotation comparison

• Controlled chemical synthesis

Why Choose Bioprecis D-Cysteine Powder?

Quality-Controlled & Fully Documented

Bioprecis provides:

• COA (Certificate of Analysis)

• MSDS/SDS

• Technical Data Sheet

• Batch traceability

Available Packaging Sizes

• 100 g, 500 g, 1 kg, 5 kg, 25 kg

• Custom bulk sizes available on request

Storage Guidelines

• Store in a dry, cool environment

• Keep container sealed

• Avoid heat and humidity

• Shelf life: 24–36 months

Important Notice

This material is intended for laboratory, chemical, and research applications only. Not for human ingestion, therapeutic use, or food applications.