Z-Aib-OHCAS# 15030-72-5 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 15030-72-5 | SDF | Download SDF |
| PubChem ID | 6950380 | Appearance | Powder |
| Formula | C12H15NO4 | M.Wt | 237.3 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 2-methyl-2-(phenylmethoxycarbonylamino)propanoate | ||
| SMILES | CC(C)(C(=O)[O-])NC(=O)OCC1=CC=CC=C1 | ||
| Standard InChIKey | QKVCSJBBYNYZNM-UHFFFAOYSA-M | ||
| Standard InChI | InChI=1S/C12H15NO4/c1-12(2,10(14)15)13-11(16)17-8-9-6-4-3-5-7-9/h3-7H,8H2,1-2H3,(H,13,16)(H,14,15)/p-1 | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
Z-Aib-OH Dilution Calculator
Z-Aib-OH Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 4.2141 mL | 21.0704 mL | 42.1408 mL | 84.2815 mL | 105.3519 mL |
| 5 mM | 0.8428 mL | 4.2141 mL | 8.4282 mL | 16.8563 mL | 21.0704 mL |
| 10 mM | 0.4214 mL | 2.107 mL | 4.2141 mL | 8.4282 mL | 10.5352 mL |
| 50 mM | 0.0843 mL | 0.4214 mL | 0.8428 mL | 1.6856 mL | 2.107 mL |
| 100 mM | 0.0421 mL | 0.2107 mL | 0.4214 mL | 0.8428 mL | 1.0535 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Conformation-specific spectroscopy of capped, gas-phase Aib oligomers: tests of the Aib residue as a 310-helix former.[Pubmed:27711552]
Phys Chem Chem Phys. 2016 Sep 14;18(36):25512-25527.
The conformational preferences of a series of capped peptides containing the helicogenic amino acid aminoisobutyric acid (Aib) (Z-Aib-OH, Z-(Aib)2-OMe, and Z-(Aib)4-OMe) are studied in the gas phase under expansion-cooled conditions. Aib oligomers are known to form 310-helical secondary structures in solution and in the solid phase. However, in the gas phase, accumulation of a macrodipole as the helix grows could inhibit helix stabilization. Implementing single-conformation IR spectroscopy in the NH stretch region, Z-Aib-OH and Z-(Aib)2-OMe are both observed to have minor conformations that exhibit dihedral angles consistent with the 310-helical portion of the Ramachandran map (varphi, psi = -57 degrees , -30 degrees ), even though they lack sufficient backbone length to form 10-membered rings which are a hallmark of the developed 310-helix. For Z-(Aib)4-OMe three conformers are observed in the gas phase. Single-conformation infrared spectroscopy in both the NH stretch (Amide A) and C[double bond, length as m-dash]O stretch (Amide I) regions identifies the main conformer as an incipient 310-helix, having two free NH groups and two C10 H-bonded NH groups, labeled an F-F-10-10 structure, with a calculated dipole moment of 13.7 D. A second minor conformer has an infrared spectrum characteristic of an F-F-10-7 structure in which the third and fourth Aib residues have varphi, psi = 75 degrees , -74 degrees and -52 degrees , 143 degrees , Ramachandran angles which fall outside of the typical range for 310-helices, and a dipole moment that shrinks to 5.4 D. These results show Aib to be a 310-helix former in the gas phase at the earliest stages of oligomer growth.
