MPEG4-CH2CH2COOH

Base Information

Chemical Name:MPEG4-CH2CH2COOH
CAS No.:81836-43-3
Molecular Formula:C12H24O7
Molecular Weight:280.318
Hs Code.:
Mol file:81836-43-3.mol

Synonyms:MPEG4-CH2CH2COOH;4,7,10,13,16-Pentaoxaheptadecanoic acid;m-PEG5-acid

Suppliers and Price of MPEG4-CH2CH2COOH

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Crysdot
2,5,8,11,14-Pentaoxaheptadecan-17-oicacid 95+%
1g
$ 612.00

ChemPep
mPEG4-CH2CH2COOH
5g
$ 530.00

ChemPep
mPEG4-CH2CH2COOH
1g
$ 253.00

BroadPharm
m-PEG5-acid 98%
1 G
$ 250.00

BroadPharm
m-PEG5-acid 98%
100 MG
$ 160.00

Apolloscientific
m-PEG5-acid
100mg
$ 428.00

American Custom Chemicals Corporation
M-PEG5-ACID 95.00%
250MG
$ 401.10

Ambeed
2,5,8,11,14-Pentaoxaheptadecan-17-oicacid 98%
1g
$ 65.00

Ambeed
2,5,8,11,14-Pentaoxaheptadecan-17-oicacid 98%
250mg
$ 27.00

Ambeed
2,5,8,11,14-Pentaoxaheptadecan-17-oicacid 98%
25g
$ 573.00

Total 19 raw suppliers

Chemical Property of MPEG4-CH2CH2COOH

Chemical Property:

Boiling Point:393.0±37.0 °C(Predicted)
PKA:4.28±0.10(Predicted)
PSA：83.45000
Density:1.107±0.06 g/cm3(Predicted)
LogP:0.17390
Solubility.:Soluble in Water, DMSO, DCM, DMF

Purity/Quality:

97% ^*data from raw suppliers

2,5,8,11,14-Pentaoxaheptadecan-17-oicacid 95+% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Description m-PEG5-acid is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.

Technology Process of MPEG4-CH2CH2COOH

There total 3 articles about MPEG4-CH2CH2COOH which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 91.0%

3-(2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-propionic acid tert-butyl ester: 874208-93-2
3-(2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-propionic acid tert-butyl ester

: 81836-43-3,125220-94-2
2,5,8,11,14-pentaoxaheptadecan-17-oic acid

Guidance literature:: With trifluoroacetic acid; at 20 ℃;

Reference yield: 76.0%

: 1197154-62-3
ethyl 2,5,8,11,14-pentaoxaheptadecan-17-oate

: 81836-43-3,125220-94-2
2,5,8,11,14-pentaoxaheptadecan-17-oic acid

Guidance literature:: With water; potassium hydroxide; at 20 ℃; for 16h;
DOI:10.1039/c2cc34065h

Reference yield:

: 23783-42-8,95507-80-5
tetraethylene glycol monomethyl ether

: 81836-43-3,125220-94-2
2,5,8,11,14-pentaoxaheptadecan-17-oic acid

Guidance literature:: Multi-step reaction with 2 steps

1: sodium ethanolate / 48 h / 80 °C / Inert atmosphere

2: water; potassium hydroxide / 16 h / 20 °C

With water; sodium ethanolate; potassium hydroxide;
DOI:10.1039/c2cc34065h