Methionine enkephalin

蛋氨酸脑啡肽

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. It is also known as Met-enkephalin, [Met5]enkephalin and Tyr-Gly-Gly-Phe-Met-OH. 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-1964498-1
Molecular Formula
C27H35N5O7S
Chinese Name
蛋氨酸脑啡肽
Molecular Weight
573.66100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point1052.9ºC at 760 mmHg
Density1.324 g/cm3
Flash Point590.6ºC

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.

Data compiled from public chemical databases 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-1964498-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.