Dalargin

Also known as: Dalargin, (D-Ala2)-Leucine Enkephalin-Arg, (D-Ala2)-Leu-Enkephalin-Arg, H-Tyr-D-Ala-Gly-Phe-Leu-Arg-OH, Tyr-D-Ala-Gly-Phe-Leu-Arg-OH, L-Tyr-D-Ala-Gly-L-Phe-L-Leu-L-Arg-OH, (D-Ala2)-Leu-Enkephalin-Arg trifluoroacetate salt, 1-6-beta-Neoendorphin (human), 2-D-alanine-, 2-D-Alanine-1-6-beta-neoendorphin (human), Brn 4287455, L-Arginine, N(sup 2)-(N-(N-(N-(L-tyrosyl-D-alanyl)glycyl)-L-phenylalanyl)-L-leucyl)-, N(Sup 2)-(N-(N-(N-(L-tyrosyl-D-alanyl)glycyl)-L-phenylalanyl)-L-leucyl)-L-arginine, (2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2R)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid

Dalargin (CAS 81733-79-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C35H51N9O8 and a molecular weight of 725.83500 g/mol. Key property: a density of 1.363g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81733-79-1
Jingsj CID: J-1986893-4
Molecular Formula: C₃₅H₅₁N₉O₈
Molecular Weight: 725.83500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.363g/cm3
Exact Mass	725.38600
PSA	308.40000
LogP	5.06670

Activity & Biological Data

Target	δ Opioid Receptor/DOR
Additional Information	[1]. Titov MI, et al. Dalargin--a peptidnyĭ preparat s tsitoprotektivnym deĭstviem [Dalargin--a peptide preparation with cytoprotective action]. Biull Vsesoiuznogo Kardiol Nauchn Tsentra AMN SSSR. 1985;8(2):72-6. [2]. Plotnikov EY, et al. Nephroprotective effect of GSK-3β inhibition by lithium ions and δ-opioid receptor agonist dalargin on gentamicin-induced nephrotoxicity. Toxicol Lett. 2013 Jul 18;220(3):303-8. [3]. Polonskiĭ VM, et al. Mesto prilozheniia (tsentral'noe ili perifericheskoe) protivoiazvennogo deĭstviia sinteticheskogo analoga éndogennykh opioidov dalargina v éksperimental'noĭ modeli tsisteaminovykh duodenal'nykh iazv u krys [The site (central or peripheral) of the anti-ulcer action of dalargin, a synthetic analog of endogenous opioids in an experimental model of cysteamine-induced duodenal ulcer in rats]. Biull Eksp Biol Med. 1987 Apr;103(4):433-4.

Target

δ Opioid Receptor/DOR

Additional Information

[1]. Titov MI, et al. Dalargin--a peptidnyĭ preparat s tsitoprotektivnym deĭstviem [Dalargin--a peptide preparation with cytoprotective action]. Biull Vsesoiuznogo Kardiol Nauchn Tsentra AMN SSSR. 1985;8(2):72-6. [2]. Plotnikov EY, et al. Nephroprotective effect of GSK-3β inhibition by lithium ions and δ-opioid receptor agonist dalargin on gentamicin-induced nephrotoxicity. Toxicol Lett. 2013 Jul 18;220(3):303-8. [3]. Polonskiĭ VM, et al. Mesto prilozheniia (tsentral'noe ili perifericheskoe) protivoiazvennogo deĭstviia sinteticheskogo analoga éndogennykh opioidov dalargina v éksperimental'noĭ modeli tsisteaminovykh duodenal'nykh iazv u krys [The site (central or peripheral) of the anti-ulcer action of dalargin, a synthetic analog of endogenous opioids in an experimental model of cysteamine-induced duodenal ulcer in rats]. Biull Eksp Biol Med. 1987 Apr;103(4):433-4.

Frequently Asked Questions

What is the CAS number of Dalargin?

The CAS number of Dalargin is 81733-79-1.

What are the molecular formula and molecular weight of Dalargin?

Dalargin has molecular formula C35H51N9O8 and molecular weight 725.83500 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Dalargin (CAS 81733-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986893-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.