RESOMER® RG 757 S

Identification & Functionality

Chemical Name

Poly-(DL)-lactide-co-glycolide

Pharma & Nutraceuticals Functions

Controlled Release Agent

Molecular formula

-[(C₆H₈O₄)x(C₄H₄O₄)ᵧ]ₙ-

Technologies

Pharmaceuticals & Nutraceuticals

Product Families

Pharmaceuticals & Nutraceuticals — Excipients

Modified & Controlled Release

Chemical Structure

Features & Benefits

Labeling Claims

Biodegradable

Applications & Uses

Markets

Healthcare & Pharma

Applications

Healthcare & Pharma — Drug Delivery & Care Solutions

Parenteral

Properties

Physical Form

Solid

Appearance

White to off - white solid

Odor

Nearly odorless

Typical Properties

	Value	Units	Test Method / Conditions
Inherent Viscosity	0.9 - 1.3	dL/g	-

Specifications

	Value	Units	Test Method / Conditions
Polymer Composition D,L-lactide glycolide	73:27 - 77:23	molar ratio	-
Residual Monomer (D,L-lactide)	max. 0.5	%	-
Residual Monomer (Glycolide)	max. 0.5	%	-
Residual Solvent (Acetone)	max. 0.1	%	-
Residual Solvent (Toluene)	max. 890	ppm	-
Residual Solvent (Total)	max. 0.1	%	-
Water Content	max. 0.5	%	Karl Fischer Titration
Tin	max. 100	ppm	-
Sulphated Ash	max. 0.1	%	-
Average Glycolate Lock Length	max. 3.0	-	-
Polystyrene Equivalent Molecular Weight (Mw)	95500 - 165000	g/mol	-
Polystyrene Equivalent Molecular Weight (Mn)	19500 - 32000	g/mol	-
Total Aerobic Microbial Count	max. 2000	CFU/g	-
Total Combined Yeast/ Mould Count	max. 200	CFU/g	-
Bacterial Endotoxins	max. 6	EU/g	-

Regulatory & Compliance

Certifications & Compliance

GMP,

National Formulary (NF),

United States Pharmacopeia (USP)

Grade

Pharma Grade

Storage & Handling

Shelf Life

max. 6 months