CAS Number

50-56-6

Molecular Formula

C43H66N12O12S2

Molecular Weight

1007.19

Molecular Structure

Packing

10g/bottle

Capacity

10000 G/ Year

Storage

Sealed tightly and stored away from light in a cool and dry place

Application

This product can absorb from the oral mucosa, and selectively acts on the smooth muscle of the uterus, make uterine contractions. Apply to hastening parturition and slow painful. Effect is the same as the static drops of oxytocin. For contracted pelvis, has a history of uterine surgery (including cesarean section), pain excessive hyperfunction, birth canal obstruction, severe placental abruption,

Characteristic

white or almost white powder

Identification

(1) HPLC

(2) Amino acids

(1) Retention time conforms to that of the reference standard

(2) Asp:0.90-1.10;Glu:0.90-1.10

Pro: 0.90-1.10;Gly: 0.90-1.10

Leu: 0.90-1.10;Try:0.7-1.05

   Half-Cys:1.4-2.1;Ile: 0.90-1.10

Related substances

Total impurities≤5.0%

Water

NMT 5.0%

pH

3.0-6.0

Purity(HPLC)

≥95%

Acetic acid

6.0-10.0%

Bacterial endotoxins

Less than 300 IU/mg

Assay

Calculated with reference to anhydrous，acetic acid free substance

93.0~102.0%

On powder

NTL 80.0%

NTL 480 IU/mg

Standard

EP 7.0