H2N-PEG6-tBu
Synonym(s):tert-Butyl 1-amino-3,6,9,12,15,18-hexaoxahenicosan-21-oate;H2N-PEG6-CH2CH2COOtBu
- CAS NO.:1286281-32-0
- Empirical Formula: C19H39NO8
- Molecular Weight: 409.51
- MDL number: MFCD13184944
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-28 17:20:35
What is H2N-PEG6-tBu?
Description
Amino-PEG6-t-butyl ester is a PEG reagent containing an amino NH2 group with a t-butyl protected carboxyl group (Boc). The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
The Uses of H2N-PEG6-tBu
This heterobifunctional, PEGylated crosslinker features an amino group at one end and t-butyl-protected carboxyl group at the other, which can be deprotected with acidic conditions. The hydrophillic PEG linker facilitates solubility in biological applications. Amino-PEG6-t-butyl ester can be used for bioconjugation or as a building block for synthesis of small molecules, conjugates of small molecules and/or biomolecules, or other tool compounds for chemical biology and medicinal chemistry that require ligation. Examples of applications include its synthetic incorporation into antibody-drug conjugates or proteolysis-targeting chimeras (PROTAC? molecules) for targeted protein degradation.
Properties of H2N-PEG6-tBu
| Boiling point: | 475.9±40.0 °C(Predicted) |
| Density | 1.056±0.06 g/cm3(Predicted) |
| storage temp. | -20°C |
| pka | 8.74±0.10(Predicted) |
| form | Oil |
| color | Colorless to light yellow |
Safety information for H2N-PEG6-tBu
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for H2N-PEG6-tBu
New Products
Mirtazapine Impurity C/Mirtazapine Lactam Impurity Cyclopropane-1,1-dicarboxylic acid [1]Benzothieno[2,3-c]pyridine, 1,7-dichloro-8-methyl- (S)-3-Fluoro-pyrrolidine hydrochloride Cyclobutylamine 1-Bromo-2-Methoxy-3-Nitrobenzene 3-Oxocyclobutane-1-carboxylicacid (4-Bromophenyl)(3,4-dimethoxyphenyl)methanone N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2-chloro-7-cyclopentyl-N,N-dimethylpyrrolo [2,3-d]pyrimidine-6-carbox amide 4-amino-2-fluoro-N- methylbenzamide N-(2-chloropyrimidin-4-yl)-N,2,3- trimethyl-2H- indazol 6-amine 5-Chloro-3- Methyl -1,3-2-benzoxazol-2(3H)-one 4-Bromo-2-fluoro-N-methylbenzamide N-Boc-1,4-butanediamine 4-Dimethylamino pyridine 2-Chlorotrityl Chloride 4-Bromoaniline 5-Bromo-2-chlorobenzoic acid 1,2,3,9-Tetrahydro-4(H)-carbazol-4-oneRelated products of tetrahydrofuran








You may like
-
t-Butyl 3-Amino(peg6)propionate 95% CAS 1286281-32-0View Details
1286281-32-0 -
Amino-PEG6-t-butyl ester CAS 1286281-32-0View Details
1286281-32-0 -
3-(4-bromo-3-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-2,6-dione 2304754-51-4 98+View Details
2304754-51-4 -
KT-474 98+View Details
2432994-31-3 -
2,6-Piperidinedione, 3-hydroxy-1-[(4-methoxyphenyl)methyl]- 98+View Details
2357109-89-6 -
2,3-Difluoro-6-methoxybenzyl Chloride 98+View Details
1073435-67-2 -
2-(6-(benzyloxy)-3,4-dihydronaphthalen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2477812-43-2 98+View Details
2477812-43-2 -
101894-09-1 4-Hydroxy-6-methyl-1-(4-methylphenyl)-2-naphthalenecarboxylic acid 98+View Details
101894-09-1

