The product is considered a 'powder' rather than 'crystalline'. There is typically water present in this material. This information is lot specific and reported in the Certificate of Analysis. While there is not specification in place, recent lots have reported a range of 7.2 - 9.2%. Please see the link below to review a sample or lot specific Certificate:
https://www.sigmaaldrich.com/product/sigma/p4126#product-documentation
P4126
Phe-Phe
≥98% (TLC)
Synonyme(s) :
L-Phenylalanyl-L-phenylalanine, Di-L-phenylalanine
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About This Item
Formule linéaire :
C6H5CH2CH(NH2)CONHCH(CH2C6H5)COOH · H2O
Numéro CAS:
Poids moléculaire :
312.36 (anhydrous basis)
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352202
ID de substance PubChem :
Nomenclature NACRES :
NA.26
Nom du produit
Phe-Phe,
Essai
≥98% (TLC)
Forme
powder
Couleur
white
Température de stockage
−20°C
Chaîne SMILES
N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc2ccccc2)C(O)=O
InChI
1S/C18H20N2O3/c19-15(11-13-7-3-1-4-8-13)17(21)20-16(18(22)23)12-14-9-5-2-6-10-14/h1-10,15-16H,11-12,19H2,(H,20,21)(H,22,23)/t15-,16-/m0/s1
Clé InChI
GKZIWHRNKRBEOH-HOTGVXAUSA-N
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Catégories apparentées
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.
Meital Reches et al.
Science (New York, N.Y.), 300(5619), 625-627 (2003-04-26)
Tubular nanostructures are suggested to have a wide range of applications in nanotechnology. We report our observation of the self-assembly of a very short peptide, the Alzheimer's beta-amyloid diphenylalanine structural motif, into discrete and stiff nanotubes. Reduction of ionic silver
Shana V Stoddard et al.
International journal of molecular sciences, 21(1) (2020-01-08)
Histone deacetylases (HDAC) are being targeted for a number of diseases such as cancer, inflammatory disease, and neurological disorders. Within this family of 18 isozymes, HDAC4 is a prime target for glioma, one of the most aggressive brain tumors reported.
Gabriel Riquelme et al.
Metabolites, 10(10) (2020-10-22)
Preprocessing data in a reproducible and robust way is one of the current challenges in untargeted metabolomics workflows. Data curation in liquid chromatography-mass spectrometry (LC-MS) involves the removal of biologically non-relevant features (retention time, m/z pairs) to retain only high-quality
Gokhan Demirel et al.
Langmuir : the ACS journal of surfaces and colloids, 27(20), 12533-12538 (2011-09-02)
There is an increasing interest for the utilization of biomolecules for fabricating novel nanostructures due to their ability for specific molecular recognition, biocompatibility, and ease of availability. Among these molecules, diphenylalanine (Phe-Phe) dipeptide is considered as one of the simplest
G B Dreyer et al.
Biochemistry, 32(3), 937-947 (1993-01-26)
Potential advantages of C2-symmetric inhibitors designed for the symmetric HIV-1 protease include high selectivity, potency, stability, and bioavailability. Pseudo-C2-symmetric monools and C2-symmetric diols, containing central hydroxymethylene and (R,R)-dihydroxyethylene moieties flanked by a variety of hydrophobic P1/P1' side chains, were studied
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Is the powder crystalline? are there water molecules trapped inside it?
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