D(-)-Arginine (CAS 157-06-2): Comprehensive Product Guide
Table of Contents
1. Product Overview & Specifications
Chemical Name: D(-)-Arginine
CAS Number: 157-06-2
Molecular Formula: C6H14N4O2
Molecular Weight: 174.2 g/mol
| Parameter | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 221–224°C (decomposition) |
| Optical Rotation | −28.5° (c=8, H2O) |
| Purity | ≥98% (HPLC/TLC) |
2. Key Applications
Medical & Pharmaceutical
- Antioxidant in oxidative stress research
- Precursor for nitric oxide synthase inhibitors
- Dietary supplement formulation
Biotechnology
- Substrate for enzymatic studies
- Chiral building block for peptide synthesis
Research
- Protein structure-function analysis
- Metabolic pathway investigations
3. Usage Scenarios
Case Study 1: Drug Development
A European pharmaceutical company utilized D(-)-Arginine as a chiral intermediate in the synthesis of novel cardiovascular therapeutics, achieving 99.5% enantiomeric purity in final API batches.
Case Study 2: Nutritional Research
Clinical researchers at a US university incorporated D(-)-Arginine in double-blind studies examining amino acid metabolism in high-performance athletes.
4. Safety & Handling
| Storage | 2–8°C in sealed containers, protected from light |
|---|---|
| Stability | 24 months when stored properly |
| Safety Precautions | Use PPE (gloves, goggles) – may cause eye/skin irritation |
5. Supplier Information
| Supplier | Specifications |
|---|---|
| Pharmaceutical Grade | Available in 1kg–25kg quantities |
| Research Grade | HPLC-validated batches (100mg–5g) |
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