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  • 产品名称:

    (D-丙氨酰2)-亮氨酸 脑啡肽-精氨酸

  • CAS No. :81733-79-1
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产品详情

(D-丙氨酰2)-亮氨酸 脑啡肽-精氨酸

Dalargin

Chemical Name

Dalargin

(D-Ala2)-Leucine Enkephalin-Arg

CAS Number

81733-79-1

Molecular Formula

C35H51N9O8

Molecular Weight

725.84

Molecular Structure

81733-79-1.gif

Packing

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

Capacity

1000g/Month

Storage

 In an air tight container, protected from light at temperature 2-8 °C.

Application

Dalargin inhibits and retards oxidation reactions of natural or synthetic substances. They counteract the damaging effects of oxidation in animal tissues.


SPECIFICATION

Items

Specification

Appearance

White or off-white powder

Solubility

Soluble in wate

HPLCMeet the requirements

Amino Acid Analysis

  Amino Acid      Limits

          Arg         0.90- 1.10

          Gly         0.90- 1.10

          Leu        0.90- 1.10

          Ala         0.90- 1.10

          Tyr         0.80- 1.20

          Phe       0.90- 1.10

 No more than the traces of the other amino acid are present
MS

725.8 ± 1.0

Related Substances

Unspecified impurity

For each impurity:  1.0%
Total impurity:  2.0%
Acetic Acid≤ 14.0%
Water 5.0%

Residual Solvent

Methanol 3000ppm

Acetonitrile 410ppm

Triethylamine 320ppm

Assay

97.0%-103.0% 

(anhydrous and acetic free substance)

Standard

In-house




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