[LEU5]-ENKEPHALIN
| ![[LEU5]-ENKEPHALIN price.](/CAS/GIF/58822-25-6.gif)  | 
- $29 - $570
- Product name: [LEU5]-ENKEPHALIN
- CAS: 58822-25-6
- MF: C28H37N5O7
- MW: 555.62
- EINECS:261-457-1
- MDL Number:MFCD00076406
- Synonyms:leucine enkephalin acetate hydrate;(5-LEUCINE)ENKEPHALIN 96+%;L-Tyr-Gly-Gly-L-Phe-L-Leu-OH;Tyr-Gly-Gly-Phe-Leu-OH;Leu-Enkelphalin Tyr-Gly-Gly-Phe-Leu;L-TYR-GLY-GLY-PHE-LEU;LEUCINE-ENKEPHALIN (HUMAN, PORCINE, BOVINE, RAT, MOUSE);LEUCINE-ENKEPHALIN (HUMAN, PORCINE, BOVINE, RAT, MOUSE) H2O
13 prices
                Selected condition:
                            Brand
                                - AK Scientific
- American Custom Chemicals Corporation
- ApexBio Technology
- Cayman Chemical
- Chem-Impex
- ChemScene
- Tocris
Package
                                    
                                - 25
- 5MG
- 10mg
- 25MG
- 50mg
- 100MG
- 250MG
- ManufacturerAK Scientific
- Product numberX6881
- Product descriptionLeucineEnkephalin
- Packaging10mg
- Price$139
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberPEP0011559
- Product description(5-LEUCINE)ENKEPHALIN 95.00%
- Packaging5MG
- Price$442.5
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberPEP0011559
- Product description(5-LEUCINE)ENKEPHALIN 95.00%
- Packaging25MG
- Price$570
- Updated2021-12-16
- Buy
- ManufacturerApexBio Technology
- Product numberB5214
- Product description[Leu5]-Enkephalin
- Packaging25mg
- Price$110
- Updated2021-12-16
- Buy
- ManufacturerCayman Chemical
- Product number23283
- Product descriptionLeu-Enkephalin ≥98%
- Packaging10mg
- Price$29
- Updated2021-12-16
- Buy
- ManufacturerCayman Chemical
- Product number23283
- Product descriptionLeu-Enkephalin ≥98%
- Packaging25mg
- Price$69
- Updated2021-12-16
- Buy
- ManufacturerCayman Chemical
- Product number23283
- Product descriptionLeu-Enkephalin ≥98%
- Packaging50mg
- Price$131
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number32952
- Product descriptionLeu-Enkephalinacetatesalt
- Packaging25MG
- Price$58.24
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number32952
- Product descriptionLeu-Enkephalinacetatesalt
- Packaging100MG
- Price$149.09
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number32952
- Product descriptionLeu-Enkephalinacetatesalt
- Packaging250MG
- Price$354.1
- Updated2021-12-16
- Buy
- ManufacturerChemScene
- Product numberCS-7037
- Product description[Leu5]-Enkephalin 99.81%
- Packaging10mg
- Price$60
- Updated2021-12-16
- Buy
- ManufacturerChemScene
- Product numberCS-7037
- Product description[Leu5]-Enkephalin 99.81%
- Packaging25mg
- Price$120
- Updated2021-12-16
- Buy
- ManufacturerTocris
- Product number1889
- Product description[Leu5]-Enkephalin
- Packaging25
- Price$117
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy | 
|---|---|---|---|---|---|---|
| AK Scientific | X6881 | LeucineEnkephalin | 10mg | $139 | 2021-12-16 | Buy | 
| American Custom Chemicals Corporation | PEP0011559 | (5-LEUCINE)ENKEPHALIN 95.00% | 5MG | $442.5 | 2021-12-16 | Buy | 
| American Custom Chemicals Corporation | PEP0011559 | (5-LEUCINE)ENKEPHALIN 95.00% | 25MG | $570 | 2021-12-16 | Buy | 
| ApexBio Technology | B5214 | [Leu5]-Enkephalin | 25mg | $110 | 2021-12-16 | Buy | 
| Cayman Chemical | 23283 | Leu-Enkephalin ≥98% | 10mg | $29 | 2021-12-16 | Buy | 
| Cayman Chemical | 23283 | Leu-Enkephalin ≥98% | 25mg | $69 | 2021-12-16 | Buy | 
| Cayman Chemical | 23283 | Leu-Enkephalin ≥98% | 50mg | $131 | 2021-12-16 | Buy | 
| Chem-Impex | 32952 | Leu-Enkephalinacetatesalt | 25MG | $58.24 | 2021-12-16 | Buy | 
| Chem-Impex | 32952 | Leu-Enkephalinacetatesalt | 100MG | $149.09 | 2021-12-16 | Buy | 
| Chem-Impex | 32952 | Leu-Enkephalinacetatesalt | 250MG | $354.1 | 2021-12-16 | Buy | 
| ChemScene | CS-7037 | [Leu5]-Enkephalin 99.81% | 10mg | $60 | 2021-12-16 | Buy | 
| ChemScene | CS-7037 | [Leu5]-Enkephalin 99.81% | 25mg | $120 | 2021-12-16 | Buy | 
| Tocris | 1889 | [Leu5]-Enkephalin | 25 | $117 | 2021-12-16 | Buy | 
Properties
                        
                        Melting point :130-133 °C
alpha :+32.3°(c=9,メタノール)
Boiling point :998.8±65.0 °C(Predicted)
Density :1.274±0.06 g/cm3(Predicted)
storage temp. :Keep in dark place,Sealed in dry,Store in freezer, under -20°C
solubility :≥54.6 mg/mL in H2O; ≥54.8 mg/mL in EtOH; ≥55.6 mg/mL in DMSO
form :Lyophilized powder
pka :3.40±0.10(Predicted)
color :White to light yellow
Water Solubility :Soluble in water (1 mg/ml ).
Sequence :H-Tyr-Gly-Gly-Phe-Leu-OH
InChIKey :URLZCHNOLZSCCA-VABKMULXSA-N
SMILES :C(O)(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)CNC(=O)CNC(=O)[C@H](CC1=CC=C(O)C=C1)N
                        
                    
                alpha :+32.3°(c=9,メタノール)
Boiling point :998.8±65.0 °C(Predicted)
Density :1.274±0.06 g/cm3(Predicted)
storage temp. :Keep in dark place,Sealed in dry,Store in freezer, under -20°C
solubility :≥54.6 mg/mL in H2O; ≥54.8 mg/mL in EtOH; ≥55.6 mg/mL in DMSO
form :Lyophilized powder
pka :3.40±0.10(Predicted)
color :White to light yellow
Water Solubility :Soluble in water (1 mg/ml ).
Sequence :H-Tyr-Gly-Gly-Phe-Leu-OH
InChIKey :URLZCHNOLZSCCA-VABKMULXSA-N
SMILES :C(O)(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)CNC(=O)CNC(=O)[C@H](CC1=CC=C(O)C=C1)N
Safety Information
| Symbol(GHS): | ||||||||
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| Signal word: | ||||||||
| Hazard statements: | 
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| Precautionary statements: |  | 
Description
Endogenous opioid neurotransmitter/neuromodulator that is an agonist at ? and δ opioid receptors, localization in brain parallels the localization of δ receptors.Related product price
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 $477.57
 
                    
 
                    
                    

 
        
![[LEU5]-ENKEPHALIN](/ProductImageEN/2023-11/small/3cd4dc81-6452-48bf-be36-12fe8e124a86.jpg) 
                                ![[LEU5]-ENKEPHALIN](https://img.chemicalbook.com/ProductImageEN/2019-7/small/709f62a4-d52c-4b7e-a4f3-09d405df6104.jpg) 
                                ![[Leu5]-Enkephalin acetate(58822-25-6 free base)](/ProductImageEN2/2025-10/small/fc7ed324-81a8-48f0-a68d-1f21d783617d.png)