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Cyclo(L-Phe-L-Phe)

Also known as: Cyclo(-Phe-Phe), CYCLO(-PHE-PHE), cyclo(L-phenylalanyl-L-phenylalanyl), cyclo(phenylalanyl-phenylalanyl), (3S,6S)-3,6-Dibenzyl-2,5-piperazinedione, (3S,6S)-3,6-dibenzylpiperazine-2,5-dione, (3S)-3α,6α-Dibenzylpiperazine-2,5-dione, CYCLO(L-PHE-L-PHE), CYCLO-L-(L-PHE-L-PHE), cyclo-L-Phe-L-Phe

Cyclo(L-Phe-L-Phe) (CAS 2862-51-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H18N2O2 and a molecular weight of 294.35 g/mol. Key properties include a boiling point of 594.2ºC at 760 mmHg, a density of 1.186g/cm3 and a flash point of 229.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2862-51-3
Jingsj CID
J-797982-0
Molecular Formula
C18H18N2O2
Molecular Weight
294.35 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point594.2ºC at 760 mmHg
Density1.186g/cm3
Flash Point229.8ºC
Exact Mass294.13700
PSA58.20000
LogP2.11260
Vapor Pressure4.34E-14mmHg at 25°C
Refractive Index1.59

Activity & Biological Data

Additional Information[1]. Birnbaum S, et al. Peptide screening. Current Opinion in Biotechnology, 1992, 3(1): 49-54.

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Cyclo(L-Phe-L-Phe)?

The CAS number of Cyclo(L-Phe-L-Phe) is 2862-51-3.

What are the molecular formula and molecular weight of Cyclo(L-Phe-L-Phe)?

Cyclo(L-Phe-L-Phe) has molecular formula C18H18N2O2 and molecular weight 294.35 g/mol.

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

Last updated:

How to cite: Jingsj. "Cyclo(L-Phe-L-Phe) (CAS 2862-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-797982-0 (accessed 2026-11-09).

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