Phenylcarbamic acid esters
Medchemexpress LLC N-Boc-trans-4-fluoro-L-proline | 203866-14-2 | MFCD06796085 | 233.24 g/mol | C10H16FNO4 | 10 G
N-Boc-trans-4-fluoro-L-proline is a Boc-protected, non-natural proline derivative bearing a 4-fluoro substituent on the pyrrolidine ring. It is used as a building block in peptide synthesis and for incorporation into peptides or protein constructs to modify conformation and physicochemical properties.
- Boc-protected proline derivative for peptide synthesis.
- Introduces a 4-fluoro substituent at the proline 4-position.
- Suitable for incorporation into peptides and protein constructs.
- Supplied in laboratory pack sizes, including 10 G, for research use.
- Provided with standard identifiers (CAS and MFCD) for unambiguous identification.
eMolecules Key Organics/BIONET Phenylboronic acid 5mg 564101483 AS-2259 95 000 98-80-6 MFCD00002103 121 930 C6H7BO2
Key Organics/BIONET Phenylboronic acid 5mg 564101483 AS-2259 95 000 98-80-6 MFCD00002103 121 930 C6H7BO2
Research Products International Corp o-Phenylenediamine 250 G
WARNING! This product can expose you to o-Phenylenediamine, a chemical which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
![Medchemexpress LLC 3-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]propanoic acid | 1365655-91-9 | MFCD22056304 | 98.0% | 277.31 g·mol⁻¹ | C12H23NO6 | 10 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000300128.png-250.jpg)
Medchemexpress LLC 3-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]propanoic acid | 1365655-91-9 | MFCD22056304 | 98.0% | 277.31 g·mol⁻¹ | C12H23NO6 | 10 G
Boc-NH-PEG2-CH2CH2COOH is a Boc-protected, amino-terminated PEG2 linker with a terminal carboxylic acid. It is intended for use as a short polyethylene glycol spacer in PROTAC synthesis and bioconjugation workflows, providing improved solubility and flexible connection between functional modules. Supplied with batch-specific quality documentation for reproducible synthesis outcomes.
- Boc-protected amino-terminated PEG2 linker suitable for conjugation chemistry.
- Short PEG spacer improves solubility and reduces steric hindrance.
- Terminal carboxylic acid enables amide or ester coupling.
- High purity (≥98%) with batch-specific certificate of analysis.
- Available in multiple pack sizes, including 10 g for synthesis scale-up.