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| Other Sizes |
| Targets |
Fmoc-Arg-OH does not have a specific biological target. Its primary utility is as a chemical building block in Fmoc-based peptide synthesis. The compound serves as a protected arginine unit that can be incorporated into peptide chains while the Fmoc group protects the amino group from unwanted reactions. Arginine is a semi-essential amino acid involved in protein synthesis and nitric oxide production, but in its protected form, the compound is not designed to interact with biological receptors or enzymes. Its value lies in its chemical properties as a synthetic intermediate.
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| ln Vitro |
Fmoc-Arg-OH does not exhibit pharmacological activity in vitro. As a protected amino acid derivative, it is a synthetic intermediate rather than a bioactive compound. In vitro studies using this compound focus on its chemical reactivity, such as its use in peptide bond formation reactions, rather than assessments of pharmacological activity. The compound may be used as a substrate in enzymatic assays to study the cleavage of Fmoc protecting groups, but these are analytical applications. Its role in research is almost exclusively as a reagent for organic synthesis.
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| ln Vivo |
Fmoc-Arg-OH is not a pharmacologically active compound and therefore does not have defined in vivo activity as a drug. When administered to animals, the compound would likely be metabolized to release arginine, which would then enter normal metabolic pathways. However, the compound is not used therapeutically. Its primary value remains in synthetic chemistry, where it serves as a building block for the preparation of peptides and pharmaceutical compounds.
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| Enzyme Assay |
In vitro assays for Fmoc-Arg-OH are primarily focused on its chemical properties and reactivity rather than biological activity. Standard protocols in Fmoc-based solid-phase peptide synthesis involve the use of this compound as a protected arginine building block. The compound is typically dissolved in polar aprotic solvents such as DMF or DCM and coupled to a growing peptide chain on a solid support using standard peptide coupling reagents. The progress of the coupling reaction can be monitored by HPLC or TLC. The Fmoc group can be removed under basic conditions, revealing the free amino group for further functionalization or peptide chain elongation.
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| Cell Assay |
In vitro cellular assays using Fmoc-Arg-OH are not commonly performed because the compound lacks intrinsic biological activity. The compound is used exclusively in synthetic chemistry applications and is not designed for cell culture studies. Its use is confined to the laboratory, where it serves as a building block for the preparation of peptides and pharmaceutical compounds.
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| Animal Protocol |
In vivo animal studies with Fmoc-Arg-OH are not typically conducted, as the compound is a synthetic intermediate rather than a pharmacologically active agent. If used in vivo, the compound would be administered to animals to study the metabolism of protected amino acid derivatives. However, such studies are rare, and the compound is generally used exclusively in synthetic chemistry applications.
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| ADME/Pharmacokinetics |
Fmoc-Arg-OH is not a drug candidate, and pharmacokinetic data are not available. As a protected amino acid derivative, it is designed for chemical synthesis rather than systemic administration. If administered in vivo, the compound would likely be metabolized to release arginine. The compound's pharmacokinetic properties have not been characterized.
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| Toxicity/Toxicokinetics |
The compound is generally considered to have low toxicity, consistent with its use as a chemical reagent. Standard laboratory safety precautions, including the use of personal protective equipment, are recommended. It is not classified as a highly toxic substance, but appropriate safety measures should be followed. Inhalation, ingestion, or skin contact should be avoided.
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| Additional Infomation |
Fmoc-Arg-OH (N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-arginine, CAS 91000-69-0) is a protected amino acid derivative used as a building block in peptide synthesis. It features an Fmoc-protected amino group and a free guanidino group. It is intended for research use only.
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| Molecular Formula |
C21H24N4O4
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|---|---|
| Molecular Weight |
396.4397
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| Exact Mass |
396.179
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| CAS # |
91000-69-0
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| PubChem CID |
2724631
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| Appearance |
White to off-white solid powder
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| Density |
1.4±0.1 g/cm3
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| Melting Point |
145-150ºC
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| Index of Refraction |
1.659
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| LogP |
2.43
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| Hydrogen Bond Donor Count |
4
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| Hydrogen Bond Acceptor Count |
5
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| Rotatable Bond Count |
9
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| Heavy Atom Count |
29
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| Complexity |
586
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| Defined Atom Stereocenter Count |
1
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| SMILES |
C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CCCN=C(N)N)C(=O)O
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| InChi Key |
DVBUCBXGDWWXNY-SFHVURJKSA-N
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| InChi Code |
InChI=1S/C21H24N4O4/c22-20(23)24-11-5-10-18(19(26)27)25-21(28)29-12-17-15-8-3-1-6-13(15)14-7-2-4-9-16(14)17/h1-4,6-9,17-18H,5,10-12H2,(H,25,28)(H,26,27)(H4,22,23,24)/t18-/m0/s1
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| Chemical Name |
(2S)-5-(diaminomethylideneamino)-2-(9H-fluoren-9-ylmethoxycarbonylamino)pentanoic acid
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO : ~62.5 mg/mL (~157.65 mM)
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|---|---|
| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.25 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.08 mg/mL (5.25 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 2.08 mg/mL (5.25 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.5224 mL | 12.6122 mL | 25.2245 mL | |
| 5 mM | 0.5045 mL | 2.5224 mL | 5.0449 mL | |
| 10 mM | 0.2522 mL | 1.2612 mL | 2.5224 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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