Product Info.
 
Desmopressin Acetate
CAS No. 16789-98-3
Molecular Formula C46H 64N14O12S2
Molecular Weight 1069.24
Storage 2~8℃
Batch No. 20070613
Manufacturing Date 2007-06-14
Retest Date 2009-06-14
Sequence [Mpr-Tyr-Phe-Gln-Asn – Cys]-Pro-D-Arg -Gly-NH2
TEST ITEMS SPECIFICATION RESULT
1 Appearance White slightly yellowish powder White powder
2 Identity 1069.24±1.0 1069.5
3 Specific Optical Rotation -72~-82.0°(C=1,1%HAc) -80.2°
4 Amino Acid Composition ± 10% conforms
5 Peptide Purity (By HPLC) ≥98% by area integration 98.9%
6 Related Substance (By HPLC) Total Impurities (%)≤2.0% Largest Single Impurity(%)≤ 1.0% 1.1% 0.4%
7 Acetate Content ≤6% 5.4%
8 Water Content (Karl Fischer) ≤6.0% 3.2%
9 Peptide Content(N determination) ≥80% 88.0%
10 Bacterial Endotoxins ≤ 15 EU/mg Conforms