CAS 1662688-20-1: Properties, Applications, and Expert Insights

Chemical Name: Fmoc-L-Lys[Oct-(OtBu)-Glu-(OtBu)-AEEA-AEEA]-OH

CAS Number: 1662688-20-1

Molecular Formula: C₆₄H₁₀₁N₅O₁₆

Molecular Weight: 1196.51 g/mol

Purity: ≥98% (HPLC and NMR verified)

Storage: Below −20°C, dry and dark conditions

Overview

CAS 1662688-20-1 is a high-purity peptide intermediate widely used in pharmaceuticals, biotechnology, and advanced materials. Its unique structure ensures targeted functionality and high performance in complex synthesis and industrial applications. We supply this product globally under strict quality standards.

Key Properties

• Chemical stability under diverse synthetic conditions
• Good solubility in organic solvents such as DMF and DMSO
• Specific reactivity enabled by functional groups
•  Long-term storage stability

Applications

Pharmaceuticals

• API intermediate for innovative drug development
•  Nanoparticle drug delivery systems for targeted therapies
•  Compliant manufacturing in line with EMA guidelines

Advanced Materials Science

• Polymer reinforcement for stronger engineering plastics
•  Improved thermal stability for automotive and aerospace components
• Enhanced chemical resistance for protective coatings

Biotechnology

• Diagnostic linkers in biomolecular detection assays
•  Scaffolds for tissue engineering
•  Gene delivery systems in therapeutic research

Quality & Compliance

• ISO 9001-certified manufacturing
•  Full documentation: CoA, MSDS, HPLC, NMR
•  Complies with OSHA, REACH, and GHS standards

Why Pukang Bio

✅ 15+ years of peptide production experience

✅ Trusted by 500+ clients in 30+ countries

✅ Modern 2,000㎡ R&D facility with 30+ scientists

✅ Reliable global supply chain and technical support

Contact Us

Email: export@pu-kang.com

Phone: +86-137-0808-4407

Address: Zone 1 & 2, 1-3F, Building 3, Chengdu Cross-Strait Science and Technology Industrial Development Park (Jindi Weixin Wenjiang Intelligent Park), Wenjiang District, Chengdu, China

Journal References

Journal of Organic Chemistry – ACS: https://pubs.acs.org/doi/10.1021/jo00001a001

Pharmaceutical Research – Springer (subion required): https://link.springer.com/article/10.1023/A:1016202820393

Journal of Controlled Release – Elsevier (subion required): https://www.sciencedirect.com/science/article/abs/pii/S0168365910000681

Materials Science and Engineering A – Elsevier (subion required): https://www.sciencedirect.com/science/article/abs/pii/S0921509399004185

National Science Foundation (NSF): https://www.nsf.gov

Nature Biotechnology – Nature (subion required): https://www.nature.com/articles/nbt0701-631

BBSRC: https://www.ukri.org/councils/bbsrc/

Chemical Research in Toxicology – ACS (subion required): https://pubs.acs.org/doi/10.1021/tx900243f

European Medicines Agency (EMA): https://www.ema.europa.eu

OSHA: https://www.osha.gov

REACH (ECHA): https://echa.europa.eu/regulations/reach