Nepsilon-Carbobenzoxy-L-lysine (TCI C0034, CAS 1155-64-2) is an L-lysine derivative in which the side-chain amino group is protected with a carbobenzoxy (Cbz/Z) group. This selective protection lets chemists direct coupling reactions to the alpha-amino group during stepwise peptide synthesis. The Cbz group can later be removed by hydrogenolysis, making it a useful partner in orthogonal protection strategies. Supplied in 5 g and 25 g packs, the powder should be kept tightly closed in a cool, dry place and allowed to reach room temperature before opening if stored chilled.
TCI brochures (PDF)
- Amino Acids and Peptide Synthesis Reagents 2025-08-14 · p. 30
Related TCI products
- TCI B4931 78081-87-5 Nalpha,Nepsilon-Bis[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysine
- TCI B3072 71989-26-9 Nepsilon-(tert-Butoxycarbonyl)-Nalpha-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysine
- TCI B3071 92122-45-7 Nepsilon-(tert-Butoxycarbonyl)-Nalpha-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-lysine
- TCI B1862 2389-60-8 Nepsilon-(tert-Butoxycarbonyl)-Nalpha-carbobenzoxy-L-lysine
- TCI B1632 2389-45-9 Nalpha-(tert-Butoxycarbonyl)-Nepsilon-benzyloxycarbonyl-L-lysine
- TCI F1270 150629-67-7 Nalpha-[(9H-Fluoren-9-ylmethyloxy)carbonyl]-Nepsilon-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine
—
| Brand | — |
|---|---|
| CAS number | — |
| Molecular formula | — |
| Purity | — |
| Category | — |
| Pack sizes | — |
| Physical form | — |
| Storage | — |
—
—

![78081-87-5 Nalpha,Nepsilon-Bis[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysine - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510B4931.jpg?v=1769180094&width=533)
![71989-26-9 Nepsilon-(tert-Butoxycarbonyl)-Nalpha-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysine - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510B3072.jpg?v=1768204181&width=533)
![92122-45-7 Nepsilon-(tert-Butoxycarbonyl)-Nalpha-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-lysine - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510B3071.jpg?v=1769145139&width=533)


![Nalpha-[(9H-Fluoren-9-ylmethyloxy)carbonyl]-Nepsilon-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine (CAS 150629-67-7) - TCI F1270 - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510F1270.jpg?v=1768205463&width=533)
![Nalpha-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nepsilon-tetradecanoyl-L-lysine (CAS 1128181-23-6) - TCI F1143 - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510F1143.jpg?v=1767114191&width=533)
![Nalpha-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nepsilon-(4-methyltrityl)-L-lysine (CAS 167393-62-6) - TCI F1043 - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510F1043.jpg?v=1769142448&width=533)