CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

Product name

Desmopressin acetate

CAS NO.

62288-83-9

Characteristic

White or off-white powder.

Solubility

Soluble in water, 95% alcohol and glacial acetic acid 

Identity by MS

1069.2±1

Specific optical rotation

-72 ^o～-82^o.(1% HAc)

Amino acid content

Aspartic acid, glutamic acid, proline, glycine, and phenylalanine are between 0.95 and 1.05; tyrosine is between 0.7 and 1.05; cysteine is between 0.30 and 1.05; lysine, isoleucine, and leucine are absent; and not more than traces of other amino acids are found.

Water(K.F)

6.0 % max

Acetate acid

3.0 ～8.0 %

Purity (HPLC)

98.5% min

Related substances

Largest single impurity: 0.5%max

Bacterial endotoxins

500EU/mg max