Procysteine (CAS 19771-63-2): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Key Parameters
| Parameter | Value |
|---|---|
| CAS Number | 19771-63-2 |
| Chemical Name | L-2-oxothiazolidine-4-carboxylic acid |
| Molecular Formula | C4H5NO3S |
| Purity | ≥98% (HPLC) |
| Storage | 2-8°C in airtight container |
2. Applications & Use Cases
Core Applications
- Antioxidant Agent: Reduces oxidative stress in biological systems
- Precursor to Cysteine: Enhances glutathione synthesis
- Cosmeceutical Ingredient: Improves skin barrier function
Operational Protocols
| Application | Recommended Usage |
|---|---|
| Dietary Supplements | 50-200 mg/day in enteric-coated capsules |
| Topical Formulations | 0.5-2% w/w in pH 5.5-6.5 emulsions |
| Cell Culture Media | 1-5 mM concentration in DMEM/F12 |
3. Industry Case Studies
Case 1: Nutraceutical Manufacturer (Germany)
- Challenge: Low stability of cysteine in multivitamin tablets
- Solution: 150 mg Procysteine/tablet with silica coating
- Result: 89% active retention after 24 months at 25°C
Case 2: Dermatology Research Center (USA)
- Challenge: Photoaged skin repair in post-menopausal women
- Protocol: 1.5% Procysteine cream bid for 12 weeks
- Outcome: 37% improvement in skin elasticity (cutometer measurement)
4. Technical Comparison
| Parameter | Procysteine | N-Acetylcysteine | Glutathione |
|---|---|---|---|
| Oral Bioavailability | 82% | 6-10% | <2% |
| Plasma Half-life | 6.8 hrs | 2.3 hrs | 1.4 hrs |
| pH Stability Range | 3.0-8.5 | 4.5-7.0 | 6.0-7.5 |
5. Contact for Custom Solutions
Request formulation support or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Technical Documentation Available Upon Request:
- Stability Data Sheets
- GMP Certification
- Custom Synthesis Protocols
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