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Merck

739952

Resomer® RG 503, Poly(D,L-lactide-co-glycolide)

lactide:glycolide 50:50, ester terminated, Mw 24,000-38,000

Synonym(s):

PLGA, RESOMER® RG 503

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About This Item

Linear Formula:
[C3H4O2]x[C2H2O2]y
CAS Number:
MDL number:
UNSPSC Code:
12162002
NACRES:
NA.23
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Quality Level

form

amorphous

feed ratio

lactide:glycolide 50:50

mol wt

Mw 24,000-38,000

degradation timeframe

<3 months

viscosity

0.32-0.44 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

transition temp

Tg 44-48 °C

storage temp.

2-8°C

SMILES string

O2C(C(=O)OC(C2=O)C)C.O1CC(=O)OCC1=O

InChI

1S/C6H8O4.C4H4O4/c1-3-5(7)10-4(2)6(8)9-3;5-3-1-7-4(6)2-8-3/h3-4H,1-2H3;1-2H2

InChI key

LCSKNASZPVZHEG-UHFFFAOYSA-N

Application

Controlled release

Legal Information

Product of Evonik
RESOMER is a registered trademark of Evonik Rohm GmbH


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Articles

In the past two decades, tissue engineering and regenerative medicine have become important interdisciplinary fields that span biology, chemistry, engineering, and medicine.

Innovations in polymer technology have had a significant impact on the advancement of novel drug delivery systems.

AliAliphatic polyesters, including polylactide and polyglycolide, are biodegradable polymers widely used in medical applications.

View All Articles

Kaiping Wang et al.
Journal of microencapsulation, 36(4), 356-370 (2019-06-14)
Here, we have successfully synthesised and purified multifunctional PLGA-based nanoparticles by the co-encapsulation of an anticancer drug (tetrandrine) and a magnetic material (Fe3O4). The obtained Tet-Fe3O4-PLGA NPs had a uniform spherical shape with a particle size of approximately 199 nm and
William A Lackington et al.
Journal of controlled release : official journal of the Controlled Release Society, 304, 51-64 (2019-05-06)
Neurotrophic factor delivery via biodegradable nerve guidance conduits may serve as a promising treatment for the repair of large peripheral nerve defects. However, a platform for controlled delivery is required because of their short in vivo half-life and their potential
Rongcai Liang et al.
International journal of pharmaceutics, 454(1), 344-353 (2013-07-23)
Peptide or protein degradation often occurs when water flows into the dosage form. The aim of this study was to investigate the effect of water on exenatide acylation in poly(lactide-co-glycolide) (PLGA) microspheres. Exenatide-loaded PLGA microspheres were incubated at different relative