ChemicalBook > CAS DataBase List > Fmoc-L-Arg(Pbf)-OH

Fmoc-L-Arg(Pbf)-OH

Product Name: Fmoc-L-Arg(Pbf)-OH
CAS No.: 154445-77-9
Chemical Name: Fmoc-L-Arg(Pbf)-OH
Synonyms: FMOC-ARG(PBF);FMOC-L-ARG(PBF)-OH;Fomc-Arg(pbf)-OH;-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid;FMOC-L-ARG(PBF);FMOC-ARG(PBF)-OH;Fmoc-Arq(Pbf)-OH;Fmoc Pbf Arginine;Fmoc- Arg(pbf)-0H;Fmoc-Arg(Pbf) ,98%
CBNumber: CB7764987
Molecular Formula: C34H40N4O7S
Formula Weight: 648.77
MOL File: 154445-77-9.mol

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Fmoc-L-Arg(Pbf)-OH Property

Melting point:: 132°C
alpha: -5.5 º (c=1,DMF)
Density: 1.37±0.1 g/cm3(Predicted)
storage temp.: Store at -15°C to -25°C.
solubility: DMF (Sparingly), DMSO (Slightly), Methanol (Slightly)
form: Solid
pka: 3.83±0.21(Predicted)
color: White to Off-White
optical activity: [α]/D -5.5±1.0°, c = 1 in DMF
BRN: 8302671
InChIKey: YUMOVWGGELTYES-LJAQVGFWSA-N
SMILES: C(O)(=O)[C@H](CCCNC=NNS(C1=C(C)C(C)=C2OC(C)(C)CC2=C1C)(=O)=O)NC(OCC1C2=C(C=CC=C2)C2=C1C=CC=C2)=O
CAS DataBase Reference: 154445-77-9(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 1
HS Code: 2935 90 90
HazardClass: IRRITANT

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 8.52067
Product name: Fmoc-Arg(Pbf)-OH
Purity: Novabiochem?
Packaging: 5G
Price: $67.4
Updated: 2025/07/31

Sigma-Aldrich

Product number: 8.52067
Product name: Fmoc-Arg(Pbf)-OH
Purity: Novabiochem?
Packaging: 25g
Price: $225
Updated: 2025/07/31

Sigma-Aldrich

Product number: 8.52067
Product name: Fmoc-Arg(Pbf)-OH
Purity: Novabiochem?
Packaging: 100g
Price: $599
Updated: 2025/07/31

Sigma-Aldrich

Product number: 8.52067
Product name: Fmoc-Arg(Pbf)-OH
Purity: Novabiochem?
Packaging: 250g
Price: $1200
Updated: 2025/07/31

Sigma-Aldrich

Product number: 8.52067
Product name: Fmoc-Arg(Pbf)-OH
Purity: Novabiochem®
Packaging: 500 g
Price: $2110
Updated: 2025/07/31

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Fmoc-L-Arg(Pbf)-OH Chemical Properties,Usage,Production

Chemical Properties

white powde

Uses

Fmoc-Arg(Pbf)-OH is a Fmoc-protected amino acid derivative that can be used to create arginine-containing peptides. The 2,2,4,6,7-pentamethyIdlhydrobenzofuran-5-sulfonyl group (Pbf) can be easily cleaved by trifluoroacetic acid (TFA).

Uses

Fmoc-L-Arg(Pbf)-OH is an amino acid building block used in peptide synthesis. With a growing peptide drug market the fast, reliable synthesis of peptides is of great importance.

Definition

Fmoc-Arg(Pbf)-OH is the standard derivative for the introduction of Arg in Fmoc SPPS. In the preparation of peptides containing both Arg and Trp, it is recommended that this derivative is used in conjunction with Fmoc-Trp(Boc)-OH. The Pbf side-chain protecting group is removed with TFA approximately 1-2 times faster than Pmc. TFA cleavage is best performed in the presence of a silane scavenger. The Pbf group of Fmoc-Arg(Pbf)-OH can be cleaved under moderate acid conditions.

General Description

Fmoc-Arg(Pbf)-OH, which is the most used building block for the introduction of Arg into SPPS, is the most expensive of all protected proteinogenic amino acids currently on the market and, like all Arg derivatives, it undergoes an important side-reaction upon activation. It is a highly problematic amino acid because of its ability to react intramolecularly, leading to its δ-lactam derivative. Arg is the key for the development of the so-called Cell-Penetrating Peptides[1].

Reactivity Profile

The Pbf group of Fmoc-L-Arg(Pbf)-OH can be cleaved under moderate acid conditions. The amount of tryptophan alkylation is significantly reduced compared to other arginine side chain protecting groups, especially in the absence of scavengers. In one example reported in the literature, a peptide containing Arg(Pmc) was cleaved, and deprotected TFA resulted in 46% of the desired peptide.

reaction suitability

reaction type: Fmoc solid-phase peptide synthesis

Solubility in organics

≥64.9 mg/mL in DMSO; insoluble in H2O; ≥2.14 mg/mL in EtOH with ultrasonic

References

[1] Torre B, et al. Successful Development of a Method for the Incorporation of Fmoc-Arg(Pbf)-OH in Solid-Phase Peptide Synthesis using N Butylpyrrolidinone (NBP) as Solvent. Green Chemistry, 2020; 22: 3162-3169.

Fmoc-L-Arg(Pbf)-OH Preparation Products And Raw materials

Raw materials

Preparation Products

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Fmoc-L-Arg(Pbf)-OH Suppliers

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View Lastest Price from Fmoc-L-Arg(Pbf)-OH manufacturers

Hefei Lbao Physical & Chemical Science Co.,Ltd

Product: Fmoc-Arg(Pbf)-OH 154445-77-9
Price: US $0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: Customise
Release date: 2025-11-27

WUHAN FORTUNA CHEMICAL CO., LTD

Product: FMOC-Arg(Pbf)-OH 154445-77-9
Price: US $0.00/Kg/Bag
Min. Order: 100g
Purity: 98%min
Supply Ability: 100kgs
Release date: 2021-10-15

Hebei Chuanghai Biotechnology Co., Ltd

Product: FMOC-Arg(Pbf)-OH 154445-77-9
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 5tons
Release date: 2024-12-03

154445-77-9, Fmoc-L-Arg(Pbf)-OHRelated Search:

FMOC-b-Ala-OH ARGINASE Fmoc-Asp(OtBu)-OH Fmoc-Lys(Boc)-OH 9-Fluorenylmethyl chloroformate Fmoc-Phe-OH N-Boc-N'-nitro-L-arginine Sulfuryl chloride Nalpha-Fmoc-Ndelta-trityl-L-glutamine L(+)-Arginine L-Fmoc-Aspartic acid alpha-tert-butyl ester Fmoc-OSu FMOC-THR(TBU)-OL FMOC-ASU-OH FMOC-ARG(ME,PBF)-OH FMOC-N-METHYL-TRANEXAMIC ACID Fmoc-L-Tyr(propargyl)-OH Fmoc-Gly-OH

na-fmoc-ng-(2,2,4,6,7-pentamethyl-*dihydrobenzofu

-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid

FMOC-N-OMEGA-(2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL)-L-ARGININE

FMOC-NG-PBF-L-ARGININE

FMOC-ARG(PBF)

FMOC-ARGININE(PBF)-OH

FMOC-ARG(PBF)-OH

FMOC-(2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL)-L-ARGININE

FMOC-L-ARGININE(PBF)

FMOC-L-ARG(PBF)

FMOC-L-ARG(PBF)-OH

FMOC-L-ARG(PBF)-OH(154445-77-9)

pentaMethyldihydrobenzofuran-5-sulfonyl)-L-arginine

Nalpha-Fmoc-Nomega-Pbf-L-arginine Fmoc-Arg(Pbf)-OH

N^a-FMoc-N^w-(2,2,4,6,7-pentaMethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-L-arginine, 98%

Na-FMoc-Nw-Pbf-L-arginine

N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-N-OMEGA-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ARGININE

N-ALPHA-9-FLUORENYLMETHOXYCARBONYL-NG-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ARGININE

N-ALPHA-(9-FLUORENYLMETHYLOXYCARBONYL)-N'-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ARGININE

N-ALPHA-FMOC-N'-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ARGININE

N-ALPHA-FMOC-N-G-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ALPHARGININE

N-ALPHA-FMOC-N-G-(2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL)-L-ARGININE

N-ALPHA-FMOC-N-OMEGA-PBF-L-ARGININE

N-ALPHA-FMOC-N-OMEGA-(2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL)-L-ARGININE

N ALPHA-9-FLUORENYLMETHYLOXYCARBONYL-N OMEGA-2,2,4,6,7-PENTAMETHYLDIHYDROBENZOFURAN-5-SULFONYL-L-ARGININE

Nα-FMoc-Nω-(2,2,4,6,7-pentaMethyldihydrobenzofuran-5-sulfonyl)-L-arginine

(S)-2-((((9H-Fluoren-9-yl)Methoxy)carbonyl)aMino)-5-(3-((2,2,4,6,7-pentaMethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)guanidino)pentanoic acid

L-Ornithine, N5-[[[(2,3-dihydro-2,2,4,6,7-pentamethyl-5-benzofuranyl)sulfonyl]amino]iminomethyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-

Nα-Fmoc-Nω-(2,2,4,6,7-pentamethyldihydro-benzofuran-5-sulfonyl)-L-arginine≥ 99.5% (HPLC, Chiral purity)

Nalpha-Fmoc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-L-arginine

Nα-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine

(9H-Fluoren-9-yl)MethOxy]Carbonyl Arg(Pbf)-OH

Fomc-Arg(pbf)-OH

N5-[[[(2,3-Dihydro-2,2,4,6,7-pentamethyl-5-benzofuranyl)sulfonyl]amino]iminomethyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-ornithine

FMoc-Arg(Pbf)-OH >=98.0% (HPLC)

Nalpha-Fmoc-Nomega-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan)-5-sulfonyl-L-arginine

(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-{N'-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid

Nα-Fmoc-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine

Nα-Fmoc-Nω-Pbf-L-arginine

Na-Fmoc-Ng-2,2,4,6,7-pentamethyl-dihydrobenzofuran-5-sulfonyl-L-arginine

N-α-Fmoc-N-ω-2,2,4,6,7-pentamethyldihydro

NA-FMOC-NG-(2,2,4,6,7-PENTAMETHYL-*DIHYD ROBENZOFURA

Fmoc-Arq(Pbf)-OH

NALPHA-9-Fluorenylmethoxycarbonyl-NOMEGA-(2,2,4,6,7-pentamethyldihydrobenzo

N-alpha-(9-Fluorenylmethyloxycarbonyl)-N-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-L-arginine

N-Fmoc-Ng-2,2,4,6,7-pentamethyldihydrobenzofuran-5- sulfonyl-D-Arginine

FMOC-pentamethyldihydrobenzofuran-5-sulfonyl-L-arginine

Nα-Fmoc-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine, Nα-Fmoc-Nω-Pbf-L-arginine

Nα-Fmoc-Nω-Pbf-L-arginine ,98%

Fmoc-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-argin

fmoc-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfon

FMoc-Arg(Pbf)-OH N-α-FMoc-N-ω-2,2,4,6,7-pentaMethyldihydro

Nalpha-[(9H-Fluoren-9-ylMethoxy)carbonyl]-NoMega-(2,2,4,6,7-pentaMethyldihydrobenzofuran-5-sulfonyl)-L-arginine

Fmoc-Arg(Pbf) ,98%

nα-fmoc-nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-l-arginine

Nalpha-9-Fluorenylmethyloxycarbonyl-Nw-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-L-arginine

L-ARGININE-N-FMOC, PBF (CHEMICAL PURITY 90-95%)

Nα-[(9H-Fluoren-9-ylmethoxy)carbonyl]-Nomega-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine&gt