Fmoc-PEG8-NHS ester
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Hodoodo CAT#: H572403

CAS#: 1334170-03-4

Description: Fmoc-PEG8-NHS ester is a PEG derivative containing an Fmoc-protected amine and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The Fmoc group can be deprotected under basic conditions to obtain the free amine which can be used for further conjugations. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.


Chemical Structure

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Fmoc-PEG8-NHS ester
CAS# 1334170-03-4

Theoretical Analysis

Hodoodo Cat#: H572403
Name: Fmoc-PEG8-NHS ester
CAS#: 1334170-03-4
Chemical Formula: C38H52N2O14
Exact Mass: 760.34
Molecular Weight: 760.830
Elemental Analysis: C, 59.99; H, 6.89; N, 3.68; O, 29.44

Price and Availability

Size Price Availability Quantity
100mg USD 440
1g USD 1130
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Synonym: Fmoc-PEG8-NHS ester

IUPAC/Chemical Name: 2,5-dioxopyrrolidin-1-yl 1-(9H-fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28-nonaoxa-4-azahentriacontan-31-oate

InChi Key: AMSAHSNOOQLQOU-UHFFFAOYSA-N

InChi Code: InChI=1S/C38H52N2O14/c41-35-9-10-36(42)40(35)54-37(43)11-13-45-15-17-47-19-21-49-23-25-51-27-28-52-26-24-50-22-20-48-18-16-46-14-12-39-38(44)53-29-34-32-7-3-1-5-30(32)31-6-2-4-8-33(31)34/h1-8,34H,9-29H2,(H,39,44)

SMILES Code: O=C(NCCOCCOCCOCCOCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)OCC2C3=C(C=CC=C3)C4=C2C=CC=C4

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 760.83 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Chen Y, Xia R, Huang Y, Zhao W, Li J, Zhang X, Wang P, Venkataramanan R, Fan J, Xie W, Ma X, Lu B, Li S. An immunostimulatory dual-functional nanocarrier that improves cancer immunochemotherapy. Nat Commun. 2016 Nov 7;7:13443. doi: 10.1038/ncomms13443. PubMed PMID: 27819653; PubMed Central PMCID: PMC5103075.

2: Zhao M, Huang Y, Chen Y, Xu J, Li S, Guo X. PEG-Fmoc-Ibuprofen Conjugate as a Dual Functional Nanomicellar Carrier for Paclitaxel. Bioconjug Chem. 2016 Sep 21;27(9):2198-205. doi: 10.1021/acs.bioconjchem.6b00415. Epub 2016 Aug 25. PubMed PMID: 27532881.

3: Zhang P, Li J, Ghazwani M, Zhao W, Huang Y, Zhang X, Venkataramanan R, Li S. Effective co-delivery of doxorubicin and dasatinib using a PEG-Fmoc nanocarrier for combination cancer chemotherapy. Biomaterials. 2015 Oct;67:104-14. doi: 10.1016/j.biomaterials.2015.07.027. Epub 2015 Jul 15. PubMed PMID: 26210177; PubMed Central PMCID: PMC4550547.

4: Zhang Y, Huang Y, Zhao W, Lu J, Zhang P, Zhang X, Li J, Gao X, Venkataramanan R, Li S. Fmoc-conjugated PEG-vitamin E2 micelles for tumor-targeted delivery of paclitaxel: enhanced drug-carrier interaction and loading capacity. AAPS J. 2014 Nov;16(6):1282-91. doi: 10.1208/s12248-014-9651-2. Epub 2014 Sep 6. PubMed PMID: 25193267; PubMed Central PMCID: PMC4389742.

5: Zhang P, Huang Y, Liu H, Marquez RT, Lu J, Zhao W, Zhang X, Gao X, Li J, Venkataramanan R, Xu L, Li S. A PEG-Fmoc conjugate as a nanocarrier for paclitaxel. Biomaterials. 2014 Aug;35(25):7146-56. doi: 10.1016/j.biomaterials.2014.04.108. Epub 2014 May 22. PubMed PMID: 24856103; PubMed Central PMCID: PMC4102141.