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  • 产品名称:

    戈那瑞林

  • CAS No. :9034-40-6
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戈那瑞林

Gonadoliberin

Chemical Name

Gonadoliberin, Gonadorelin

CAS Number

9034-40-6

Molecular Formula

C55H75N17O13

Molecular Weight

1182.29

Molecular Structure

9034-40-6.gif

Packing

1mg, 5mg, 10mg, 50mg, 100mg, 1g or according to customer's detail requirement.

Capacity

1000g/Month

Storage

Keep container tightly closed in a dry and well-ventilated place, at 2-8℃.

Application

Gonadoliberin is used for timed artificial insemination (AI) in postpartum dairy cows.


SPECIFICATION

Items

Specification

Appearance

A white or slightly yellowish powder

Solubility

Soluble in water and in a 1 per cent V/V solution of glacial acetic acid, sparingly soluble in methanol

Appearance of Solution

10 g/l solution is clear and not more intensely coloured than reference solution Y 

Absorbance

A278=0.55-0.61(C=0.1mg/ml)

HPLC

Meet the requirements

Amino Acid Analysis

Arg     0.95- 1.05

Gly     1.90- 2.10

His      0.95- 1.05

Leu     0.90- 1.10

Pro     0.95- 1.05

Tyr      0.70- 1.05

Glu     0.95- 1.05

Ser     0.70- 1.05

Lysine and isoleucine are absent; not more than traces of other amino acids are present

Related Substances

For each impurity:  2.0%

Total impurity: 5.0%

Acetic Acid

4.0%- 7.5%

Water

≤ 7.0%

Specific Optical Rotation

-54.0°to- 66.0°(anhydrous and acetic acid free subtance)

Baceterial Endotoxins

Less than70IU/mg

Assay

95.0%-102.0%

Standard

EP8.0/ BP2009


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