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Molecular weight: 1084.2 (free peptide)
Sequence:         __________________________
        |                                                           |
H-Cys-Tyr-Phe-Glu(NH2)-Asp(NH2)-Cys-Pro-Arg-Gly-NH2
Last update: 30 AUG 2007

Available registration documents (CTD format): None, the substance is sold based on its CoA

Please note that regional minor differences in analytical procedures and acceptance criteria might occur.


TEST ACCEPTANCE CRITERIA ANALYTICAL PROCEDURE
CHARACTERS
Appearance

White or almost white amorphous powder. A solution of the material in water must be clear and colourless.

Visual inspection
IDENTIFICATION
Identification, HPLC

Retention time of the sample must be approximately the same as the retention time of the reference

USP
Amino acid analysis

Asp: 0.9 to 1.1
Glu: 0.9 to 1.1
Gly: 0.9 to 1.1
Pro: 0.9 to 1.1
Tyr: 0.9 to 1.1
Phe: 0.9 to 1.1
Arg: 0.9 to 1.1
Halfcysteine: Identified

In-house
PURITY
Peptide purity, HPLC: < 95% USP
ASSAY
Potency, HPLC ≥ 300 IU/mg USP
OTHER TESTS
Acetic acid ≤ 15% In-house
Water ≤ 8% USP/Ph.Eur.
Trifluoroacetic acid < 0.3% In-house
RESIDUAL SOLVENTS
Ethanol ≤ 0.5% In-house
Methanol ≤ 0.3% In-house
MICROBIOLOGICAL TESTS
Total viable aerobic count < 200 CFU/g Ph.Eur.
Bacterial endotoxins

≤ 17.0 IU endotoxin/IU vasopressin

USP/Ph.Eur.
Visit our Online Catalogue of Biologically Active Peptides