Phenylcarbamic acid esters
![Medchemexpress LLC 3-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]propanoic acid | 1365655-91-9 | MFCD22056304 | 98.0% | 277.31 | C12H23NO6 | 5 G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000300125.png-250.jpg)
Medchemexpress LLC 3-[2-(2-{[(tert-butoxy)carbonyl]amino}ethoxy)ethoxy]propanoic acid | 1365655-91-9 | MFCD22056304 | 98.0% | 277.31 | C12H23NO6 | 5 G
Boc-NH-PEG2-CH2CH2COOH is a Boc-protected PEG2 linker containing a terminal carboxylic acid and a protected amine. It is designed as a short, two-unit PEG spacer for use in the synthesis of PROTACs and bifunctional conjugates, supplied for research use with documented solubility and storage recommendations.
- Boc-protected amino group for orthogonal deprotection
- Two-unit PEG spacer to improve solubility and linker flexibility
- Terminal carboxylic acid for amide or ester coupling reactions
- Molecular weight 277.31 and formula C12H23NO6
- High solubility in DMSO (≥100 mg/mL) and formulatable in several vehicles
- Storage stability: long-term at -20°C; shorter stability in solution
- For research use only; not validated for medical applications
eMolecules 1807518-63-3 | Bromo-PEG2-CH2-Boc | Target Molecule | MFCD28122957 | 283.162 | C10H19BrO4 | 0.000 | CC(C)(C)OC(=O)COCCOCCBr | 50mg | 599154747
Bromo-PEG2-CH2-Boc | Target Molecule | 1807518-63-3 | MFCD28122957 | 283.162 | C10H19BrO4 | 0.000 | CC(C)(C)OC(=O)COCCOCCBr | 50mg | 599154747
![eMolecules 220210-56-0 | 3-[t-Butoxycarbonyl]phenylboronic acid | Synthonix - Stock | MFCD01630855 | 222.050 | C11H15BO4 | 98.000 | CC(C)(C)OC(=O)c1cccc(c1)B(O)O | 10g | 525908569](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000169743.jpg-250.jpg)
eMolecules 220210-56-0 | 3-[t-Butoxycarbonyl]phenylboronic acid | Synthonix - Stock | MFCD01630855 | 222.050 | C11H15BO4 | 98.000 | CC(C)(C)OC(=O)c1cccc(c1)B(O)O | 10g | 525908569
3-[t-Butoxycarbonyl]phenylboronic acid | Synthonix - Stock | 220210-56-0 | MFCD01630855 | 222.050 | C11H15BO4 | 98.000 | CC(C)(C)OC(=O)c1cccc(c1)B(O)O | 10g | 525908569
eMolecules 4530-20-5 | Boc-Glycine | AA Blocks LLC | MFCD00002690 | 175.184 | C7H13NO4 | 0.000 | CC(C)(C)OC(=O)NCC(O)=O | 100g | 410166415
Boc-Glycine | AA Blocks LLC | 4530-20-5 | MFCD00002690 | 175.184 | C7H13NO4 | 0.000 | CC(C)(C)OC(=O)NCC(O)=O | 100g | 410166415
eMolecules 4530-20-5 | Boc-Glycine | AA Blocks LLC | MFCD00002690 | 175.184 | C7H13NO4 | 0.000 | CC(C)(C)OC(=O)NCC(O)=O | 10g | 437038739
Boc-Glycine | AA Blocks LLC | 4530-20-5 | MFCD00002690 | 175.184 | C7H13NO4 | 0.000 | CC(C)(C)OC(=O)NCC(O)=O | 10g | 437038739
eMolecules 84358-13-4 | N-BOC-isonipecotic acid | ACINTS | MFCD00076999 | 229.276 | C11H19NO4CC(C)(C)OC(=O)N1CCC(CC1)C(O)=O | 5g | 454890033
N-BOC-isonipecotic acid | ACINTS | 84358-13-4 | MFCD00076999 | 229.276 | C11H19NO4CC(C)(C)OC(=O)N1CCC(CC1)C(O)=O | 5g | 454890033
Medchemexpress LLC Kras4B protein, human (His) | 97.0% | 50UG
Recombinant human KRAS4B protein (isoform 2) with an N-terminal 6xHis tag, expressed in E. coli and supplied lyophilized. The construct spans residues M1-K169 (169 amino acids), with an approximate molecular weight of 23.0 kDa. Designed for research use in biochemical assays, binding studies, and structural analysis.
- N-terminal 6xHis affinity tag for purification and detection.
- expressed in E. coli and supplied lyophilized for long-term storage.
- 169 amino acids, approx. 23.0 kDa molecular weight.
- purity greater than 95% by reducing SDS-PAGE (certificate of analysis result 97.0%).
- formulated with 20 mM PB, 100 mM NaCl, 8% trehalose, 4% mannitol, 0.02% tween 80, pH 7.5.
- suitable for biochemical assays, binding studies, and structural analysis.
- validated by certificate of analysis for purity and identity.
eMolecules 137401-45-7 | N-Boc-2-amino-3-ethoxy-3-oxopropanoic Acid | Accela ChemBio (ASD) | MFCD09835539 | 247.247 | C10H17NO6 | 95.000 | CCOC(=O)C(NC(=O)OC(C)(C)C)C(O)=O | 25g | 570925155
N-Boc-2-amino-3-ethoxy-3-oxopropanoic Acid | Accela ChemBio (ASD) | 137401-45-7 | MFCD09835539 | 247.247 | C10H17NO6 | 95.000 | CCOC(=O)C(NC(=O)OC(C)(C)C)C(O)=O | 25g | 570925155
Medchemexpress LLC 5,8,11-trioxa-2-azatridecanoic acid, 13-hydroxy-, 1,1-dimethylethyl ester | 106984-09-2 | MFCD07779195 | 99.5% | 293.36 g/mol | C13H27NO6 | 10 G
Boc-NH-PEG4 (PROTAC Linker 12) is a Boc-protected PEG4 linker with a tert-butoxycarbonyl-protected amine and a terminal hydroxyl. It provides a short, hydrophilic PEG spacer commonly used to connect ligands in PROTACs and other bifunctional molecules, improving solubility and enabling modular conjugation chemistry.
- Boc-protected amine enables selective deprotection and downstream coupling.
- Terminal hydroxyl allows diverse functionalization and linker attachment.
- PEG4 spacer increases aqueous solubility and flexibility in conjugates.
- High reported purity supports reproducible synthesis and analysis.
- Suitable for synthesizing PROTACs and bifunctional degraders.
eMolecules 142356-33-0 | Boc-NH-C6-Br | ChemScene | MFCD06201019 | 280.206 | C11H22BrNO2 | 95.000 | CC(C)(C)OC(=O)NCCCCCCBr | 25g | 572238881
Boc-NH-C6-Br | ChemScene | 142356-33-0 | MFCD06201019 | 280.206 | C11H22BrNO2 | 95.000 | CC(C)(C)OC(=O)NCCCCCCBr | 25g | 572238881
Cambridge Isotope Laboratories Tetradecyl(tri-n-butyl)phosphonium bromide (D29 98%) 100 ug/mL in acetone water (75 25) 1 2 mL
Tetradecyl(tri-n-butyl)phosphonium bromide (D29 98%) 100 ug/mL in acetone water (75 25) 1 2 mL
Cambridge Isotope Laboratories N-Methylperfluorooctanesulfonamidoacetic acid (N-MeFOSAA) (unlabeled) (mix of isomers) 50 ug/mL in MeOH 1 2 mL
N-Methylperfluorooctanesulfonamidoacetic acid (N-MeFOSAA) (unlabeled) (mix of isomers) 50 ug/mL in MeOH 1 2 mL
eMolecules 86778-91-8 | 2-(Boc-amino)-2-methyl-3-phenylpropanoic acid | Acrotein ChemBio Inc. | MFCD22581693 | 279.336 | C15H21NO4 | 97.000 | CC(C)(C)OC(=O)NC(C)(Cc1ccccc1)C(O)=O | 0.5g | 487535668
2-(Boc-amino)-2-methyl-3-phenylpropanoic acid | Acrotein ChemBio Inc. | 86778-91-8 | MFCD22581693 | 279.336 | C15H21NO4 | 97.000 | CC(C)(C)OC(=O)NC(C)(Cc1ccccc1)C(O)=O | 0.5g | 487535668