Amino Acids

Organic compounds composed of a central carbon atom, a carboxyl group, an amino group, and a unique side chain; precursors to other molecules including proteins, hormones, and neurotransmitters.

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3,856 – 3,870 of 35,795 results

3,856

STA Pharmaceutical Boc-L-Ser(Fmoc-L-Arg(Pbf))-OH | 5 g | CAS 944283-22-1 | MDL MFCD10001364

Boc-L-Ser(Fmoc-L-Arg(Pbf))-OH is a Amino Acid reagent (Subcategory: Pseudo AA) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 944283-22-1
- MDL: MFCD10001364
- InChIKey: HTCWPXLOEAMBFJ-LQJZCPKCSA-N
- Molecular Weight: 835.97
- Molecular Formula: C42H53N5O11S
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: O-(N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)-L-arginyl)-N-(tert-butoxycarbonyl)-L-serine
- SMILES: O=C(OCC1C2=C(C=CC=C2)C3=C1C=CC=C3)N[C@@H](CCCNC(NS(=O)(C4=C(C)C(C)=C5C(CC(C)(C)O5)=C4C)=O)=N)C(OC[C@@H](C(O)=O)NC(OC(C)(C)C)=O)=O

Pricing & Availability

3,857

STA Pharmaceutical Fmoc-L-Arg(Me2)-OH HCl | 10 g | CAS 1330286-46-8 | MDL MFCD02684483

Fmoc-L-Arg(Me2)-OH HCl is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 10 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 1330286-46-8
- MDL: MFCD02684483
- InChIKey: YICQYUMPVBAXNV-BDQAORGHSA-N
- Molecular Weight: 460.959
- Molecular Formula: C23H29ClN4O4
- Purity: ≥95%
- Container Type: 60 mL HDPE
- Pack Size: 10 g
- Net Weight: 10 g
- Gross Weight: 25 g
- Commodity Code: 29252900
- Country Of Origin: China
- IUPAC: (Z)-N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw,Nw'-dimethyl-L-arginine hydrochloride
- SMILES: C/N=C(NCCC[C@@H](C(O)=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)/NC.Cl

Pricing & Availability

3,858

Medchemexpress LLC D-Lys(Z)-Pro-Arg-pNA diacetate | 108963-70-8 | 100.0% | 773.83 | 5 MG

D-Lys(Z)-Pro-Arg-pNA diacetate is a chromogenic peptide substrate of activated protein C (APC).

Solid appearance
White to light yellow color
Emission at 460
Excitation at 380
Sequence shortening {d-Lys(Z)}-P-R-pNA
Solubility in DMSO is 25 mg/mL (32.31 mM)
Solubility in H2O is 2 mg/mL (2.58 mM)
Powder storage at -80°C for 2 years or -20°C for 1 year
In solvent storage at -80°C for 6 months or -20°C for 1 month in sealed storage, away from moisture and light
Shipping at room temperature in continental US; may vary elsewhere

Pricing & Availability

3,859

Bachem Z-Arg-pNA · HCl

Z-Arg-pNA · HCl, 59188-53-3, C20H24N6O5 · HCl, Mr 464.91, 5g. L-ZAPA. Substrate for trypsin.

Pricing & Availability

3,860

STA Pharmaceutical Fmoc-D-N-Me-Arg(Pbf)-OH | 100 g | CAS 2044710-57-6 | MDL MFCD04974250

Fmoc-D-N-Me-Arg(Pbf)-OH is a Amino Acid reagent (Subcategory: N-Me AA) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 2044710-57-6
- MDL: MFCD04974250
- InChIKey: MEGKXARLCPKZHJ-GDLZYMKVSA-N
- Molecular Weight: 662.802
- Molecular Formula: C35H42N4O7S
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N2-methyl-Nw-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)-D-arginine
- SMILES: CC1=C2CC(C)(OC2=C(C(C)=C1S(=O)(NC(NCCC[C@@H](N(C(OCC3C4=CC=CC=C4C5=C3C=CC=C5)=O)C)C(O)=O)=N)=O)C)C

Pricing & Availability

3,861

Medchemexpress LLC DL-Arginine-13C6 hydrochloride | 99.0% | 216.62 | 13C6H15ClN4O2 | 10 MG

DL-Arginine-13C6 hydrochloride is the 13C6 isotopically labeled racemic form of arginine supplied as the hydrochloride salt. It is intended for use as an internal standard, tracer, or analytical reference in metabolic and mass-spectrometry studies to enable accurate quantification and tracing of arginine-related pathways.

Isotopically labeled (13C6) for confident tracing and quantitation.
Hydrochloride salt form improves solubility in aqueous solutions.
Racemic (DL) composition suitable for studies requiring both enantiomers.
Compatible with LC-MS and GC-MS workflows as an internal standard.
High chemical purity and isotopic enrichment support reliable analytical results.

Pricing & Availability

3,862

Medchemexpress LLC L-Glutamic acid, compd. with L-arginine (1:1) | 4320-30-3 | 321.33 | 1 G

L-Arginine L-glutamate ((S)-(+)-Arginine L-glutamate) is a nitrogen donor for the synthesis of nitric oxide. It can be used for research related to upper gastrointestinal hypofunction or dysfunction, such as functional dyspepsia.

Nitrogen donor for synthesis of nitric oxide
Can be used for research on upper gastrointestinal hypofunction or dysfunction (e.g., functional dyspepsia)
Dose-dependently promotes gastric emptying in rats, a vagus nerve-dependent effect
Dose-dependently enhances adaptive relaxation of rat stomachs
Purity: 98.0%
Appearance: Solid, white to off-white
Initial source: Endogenous metabolite

Pricing & Availability

3,863

Bachem Fmoc-Arg(Me)2-OH (asymmetrical)

Fmoc-Arg(Me)2-OH (asymmetrical) Hydrochloride, 268564-10-9, C23H28N4O4, Mr 424.50, 5g. Fmoc-ADMA hydrochloride salt. Fmoc-ADMA, a building block for methylated histone sequences. The salt formation serves as temporary protection of the guanidino moiety.

Pricing & Availability

3,864

Medchemexpress LLC N-omega-propyl-L-arginine | 137361-05-8 | 98.6% | 216.28 | C9H20N4O2 | 50 MG

N-omega-propyl-L-arginine is a research reagent and an amino acid analogue that acts as a potent, competitive, and selective inhibitor of neuronal nitric oxide synthase (nNOS). It is supplied as a solid with high purity for biochemical and pharmacological research applications.

Potent nNOS inhibitor with Ki = 57 nM.
High selectivity for nNOS (~149-fold over eNOS).
Research-grade purity (≈98.6%).
Solid form, appearance white to yellow.
Molecular weight 216.28 g/mol; CAS 137361-05-8.

Pricing & Availability

3,865

STA Pharmaceutical Fmoc-D-Arg(Mtr)-OH | 100 g | CAS 120075-24-3 | MDL MFCD00065616

Fmoc-D-Arg(Mtr)-OH is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 100 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 120075-24-3
- MDL: MFCD00065616
- InChIKey: LKGHIEITYHYVED-AREMUKBSSA-N
- Molecular Weight: 608.71
- Molecular Formula: C31H36N4O7S
- Purity: ≥95%
- Container Type: 500 mL HDPE
- Pack Size: 100 g
- Net Weight: 100 g
- Gross Weight: 160.5 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw-((4-methoxy-2,3,6-trimethylphenyl)sulfonyl)-D-arginine
- SMILES: CC1=C(C(C)=C(C)C(OC)=C1)S(=O)(NC(NCCC[C@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O)=N)=O

Pricing & Availability

3,866

eMolecules Combi-Blocks Fmoc-Arg(Pbf)-OH 1kg 335344672 QA-9886 96 000 154445-77-9 MFCD00235804 648 780 C34H40N4O7S

Combi-Blocks Fmoc-Arg(Pbf)-OH 1kg 335344672 QA-9886 96 000 154445-77-9 MFCD00235804 648 780 C34H40N4O7S

Pricing & Availability

3,867

STA Pharmaceutical Fmoc-D-Arg(mts)-OH | 1 g | CAS 268204-88-2 | MDL MFCD00237009

Fmoc-D-Arg(mts)-OH is a Amino Acid reagent (Subcategory: Arg) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.

Specifications
- CAS: 268204-88-2
- MDL: MFCD00237009
- InChIKey: JHMUQIZIPLJEHW-AREMUKBSSA-N
- Molecular Weight: 578.684
- Molecular Formula: C30H34N4O6S
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29359090
- Country Of Origin: China
- IUPAC: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-Nw-(mesitylsulfonyl)-D-arginine
- SMILES: CC1=CC(C)=C(C(C)=C1)S(=O)(NC(NCCC[C@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=C2C=CC=C4)=O)=N)=O

Pricing & Availability

3,868

Bachem Bz-DL-Arg-pNA · HCl

Bz-DL-Arg-pNA · HCl, 911-77-3, C19H22N6O4 · HCl, Mr 434.88, 25g. DL-BAPA · HCl, DL-BApNA · HCl. Substrate for trypsin, papain, acrosin, plasmin, cathepsin B, and cathepsin H.

Pricing & Availability

3,869

Medchemexpress LLC Pentanamide, 2-amino-5-[(aminoiminomethyl)amino]-N-(4-nitrophenyl)-, dihydrochloride, (2S)- | 40127-11-5 | 99.8% | 367.23 | 100 MG

L-Arginine p-nitroanilide dihydrochloride is a chromogenic substrate specifically designed for cathepsin H and aminopeptidases. This product is provided as an off-white to light yellow solid.

Chromogenic substrate
Suitable for cathepsin H and aminopeptidases
Soluble in H2O at 200 mg/mL
Recommended storage at 4°C, sealed and away from moisture
For research use only

Pricing & Availability

3,870

Medchemexpress LLC L-Arginine-1,2-13C2 (hydrochloride) | 201740-75-2 | 212.65 | 25MG

L-Arginine-1,2-13C2 (hydrochloride) is the 13C-labeled L-Arginine hydrochloride, acting as a nitrogen donor for the synthesis of nitric oxide. Nitric oxide is a potent vasodilator that is deficient during times of sickle cell crisis. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.

13C-labeled L-Arginine hydrochloride
Nitrogen donor for nitric oxide synthesis
Potent vasodilator
Used as a tracer for drug development

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Amino Acids

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Medchemexpress LLC D-Lys(Z)-Pro-Arg-pNA diacetate | 108963-70-8 | 100.0% | 773.83 | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC DL-Arginine-13C6 hydrochloride | 99.0% | 216.62 | 13C6H15ClN4O2 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Glutamic acid, compd. with L-arginine (1:1) | 4320-30-3 | 321.33 | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC N-omega-propyl-L-arginine | 137361-05-8 | 98.6% | 216.28 | C9H20N4O2 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Pentanamide, 2-amino-5-[(aminoiminomethyl)amino]-N-(4-nitrophenyl)-, dihydrochloride, (2S)- | 40127-11-5 | 99.8% | 367.23 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC L-Arginine-1,2-13C2 (hydrochloride) | 201740-75-2 | 212.65 | 25MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More