戈那瑞林,CAS9034-40-6

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戈那瑞林

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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
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%
Related Substances	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