Methionine enkephalin
Also known as: Met-enkephalin, [Met5]enkephalin, Tyr-Gly-Gly-Phe-Met-OH, H-Tyr-Gly-Gly-Phe-Met-OH, N-[N-[N-(N-L-tyrosylglycyl)glycyl]-L-phenylalanyl]-L-methionine, Opioid growth factor, [Met5]Enkephalin acetate salt hydrate, porcine,beta-endorphin1-5, l-tyrosylglycylglycyl-l-phenylalanyl-l-methionine, methionine enkephalin acetate, ENKEPHALIN,METHIONINE, EINECS 261-335-8, H-Tyr(1)-Gly(2)-Gly(3)-Phe(4)-Met(5)-OH
Methionine enkephalin (CAS 58569-55-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C27H35N5O7S and a molecular weight of 573.66100 g/mol. Key properties include a boiling point of 1052.9ºC at 760 mmHg, a density of 1.324 g/cm3 and a flash point of 590.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 58569-55-4
- Jingsj CID
- J-1964498-5
- Molecular Formula
- C27H35N5O7S
- Molecular Weight
- 573.66100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 1052.9ºC at 760 mmHg |
|---|---|
| Density | 1.324 g/cm3 |
| Flash Point | 590.6ºC |
| Exact Mass | 573.22600 |
| PSA | 225.25000 |
| LogP | 1.80830 |
| Refractive Index | 1.608 |
| Storage Conditions | -20℃ |
Activity & Biological Data
| Target | Opioid Receptor[1]. |
|---|---|
| Additional Information | [1]. Zhao D, et al. Methionine enkephalin, its role in immunoregulation and cancer therapy. Int Immunopharmacol. 2016 Feb 23. pii: S1567-5769(16)30050-9. |
Frequently Asked Questions
What is the CAS number of Methionine enkephalin?
The CAS number of Methionine enkephalin is 58569-55-4.
What are the molecular formula and molecular weight of Methionine enkephalin?
Methionine enkephalin has molecular formula C27H35N5O7S and molecular weight 573.66100 g/mol.
What are the upstream and downstream products of Methionine enkephalin?
For Methionine enkephalin, Upstream Products: N-Benzyloxycarbonyl-L-phenylalanine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methionine enkephalin (CAS 58569-55-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964498-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.