1. Product Information & Specifications

S-tert-Butylmercapto-l-cysteine (CAS 30044-51-0) is a modified cysteine derivative widely used in pharmaceutical synthesis, biochemical research, and industrial applications. Below are its key specifications:

Competitive Advantages vs. Similar Compounds

2. Detailed Applications

Pharmaceutical Intermediates

Used in synthesizing protease inhibitors, antiviral agents, and targeted drug delivery systems due to its stable thiol group.

Antioxidant Formulations

Enhances oxidative stability in injectable drugs and biologics.

Protein Engineering

Modifies protein structures to improve thermal stability and enzymatic activity.

Cosmetic Science

Acts as a free radical scavenger in anti-aging creams and serums.

3. Usage Case Studies

Case 1: Peptide Drug Synthesis

Challenge: Degradation of cysteine residues during API synthesis.
Solution: 0.5% S-tert-Butylmercapto-l-cysteine added to reaction medium.
Outcome: 22% increase in final product yield.

Case 2: Biologic Stabilization

Challenge: Oxidation of monoclonal antibodies during storage.
Solution: 10 mM concentration in formulation buffer.
Outcome: Extended shelf life from 6 to 18 months at 4°C.

4. Client Case Studies

Client A: PharmaTech Solutions (USA)

Application: Synthesis of HCV protease inhibitor.
Result: Reduced side reactions by 40%, achieving 99.2% purity.

Client B: BioResearch Labs (Germany)

Application: CRISPR enzyme stabilization.
Result: 3x improvement in gene-editing efficiency.

Client C: Cosmeceuticals Inc. (Japan)

Application: Antioxidant booster in luxury skincare.
Result: 35% faster reduction in oxidative stress markers.

5. Inquiry & Custom Solutions

Optimize your formulations with our GMP-grade S-tert-Butylmercapto-l-cysteine. Contact our technical team:

info@vivalr.com
(86) 15866781826

Request batch-specific COA, MSDS, and bulk pricing today.