Fmoc-Arg(NO2)-OHCAS# 58111-94-7 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
Cas No. | 58111-94-7 | SDF | Download SDF |
PubChem ID | 12096824 | Appearance | Powder |
Formula | C21H23N5O6 | M.Wt | 441.44 |
Type of Compound | N/A | Storage | Desiccate at -20°C |
Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
SMILES | C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NC(CCCN=C(N)N[N+](=O)[O-])C(=O)O | ||
Standard InChIKey | RXMHIKWOZKQXCJ-SFHVURJKSA-N | ||
Standard InChI | InChI=1S/C21H23N5O6/c22-20(25-26(30)31)23-11-5-10-18(19(27)28)24-21(29)32-12-17-15-8-3-1-6-13(15)14-7-2-4-9-16(14)17/h1-4,6-9,17-18H,5,10-12H2,(H,24,29)(H,27,28)(H3,22,23,25)/t18-/m0/s1 | ||
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. |
Fmoc-Arg(NO2)-OH Dilution Calculator
Fmoc-Arg(NO2)-OH Molarity Calculator
1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
1 mM | 2.2653 mL | 11.3266 mL | 22.6531 mL | 45.3063 mL | 56.6328 mL |
5 mM | 0.4531 mL | 2.2653 mL | 4.5306 mL | 9.0613 mL | 11.3266 mL |
10 mM | 0.2265 mL | 1.1327 mL | 2.2653 mL | 4.5306 mL | 5.6633 mL |
50 mM | 0.0453 mL | 0.2265 mL | 0.4531 mL | 0.9061 mL | 1.1327 mL |
100 mM | 0.0227 mL | 0.1133 mL | 0.2265 mL | 0.4531 mL | 0.5663 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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Studies on lactam formation during coupling procedures of N alpha-N omega-protected arginine derivatives.[Pubmed:8738983]
Pept Res. 1996 Mar-Apr;9(2):88-91.
We evaluated the quantity of delta-lactam generated during the synthesis of arginine-containing dipeptides using Z-Arg(Tos)-OH, Boc-Arg(Tos)-OH, Fmoc-Arg(Boc)2-OH and Fmoc-Arg(Pmc)-OH and assayed several carboxyl-activating procedures for coupling the protected arginines to different amino components. We observed significant amounts of delta-lactam during the synthesis of Z-Arg(Tos)-methyl ester and Z-Arg(Tos)-amide, as well as of Boc-Arg(Tos)-chloromethyl ketone. The mixed anhydride coupling procedure and the di-Boc-protecting guanidino group induced more delta-lactam formation than any other coupling or NG-protection method. The amide, benzyl, 4-(NO2)-benzyl and methyl alpha-carboxyl-protected amino acids generated more delta-lactam than did those protected by tertbutyl or N2H2-Boc. So far it has not been possible to propose a general mechanism for delta-lactam formation or a process that completely abolishes it. Therefore, this side reaction should be considered almost inevitable. Its minimization requires examination of arginine-containing peptides in each specific synthesis.