Features Synonym: D-2-Amino-4-(methylthio)butanoic acid CAS#: 348-67-4 Molecular Formula: C5H11NO2S Molecular Weight: 149.21  

Features CAS#: 56-41-7 Molecular Formula: C₃H₇NO₂ Molecular Weight: 89.09

Putrescine is a biogenic polyamine and precursor of spermidine. It is formed via decarboxylation of ornithine or by decarboxylation of arginine followed by hydrolysis. Binds to the polyamine modulatory site of the NMDA receptor and potentiates NMDA-induced currents; precursor of spermidine.

CAS: 39665-12-8 EC No: 200-294-2 MDL No: MFCD00151035 RTECS: OL5540000 Powder Molecular Formula: C₆H₁₄N₂O₂·H₂O MW: 164.20 Optical Rotation: [α]20/D +22.5±1°, c = 2% in 6M HCl

CAS: 153-94-6 EC No: 205-819-9 MDL No: MFCD00005647 RTECS: YN6129000 Powder Molecular Formula: C₁₁H₁₂N₂O₂ MW: 204.23 Melting Point: 282-285° (decomposes)

CAS: 80-68-2 EC No: 201-300-6 MDL No: MFCD00063722 Powder Molecular Formula: C₄H₉NO₃ MW: 119.12 Melting Point: 244° (decomposes)

CAS: 640-68-6 EC No: 211-368-9 MDL No: MFCD00064219 RTECS: YV9360000 Solid Molecular Formula: C₅H₁₁NO₂ MW: 117.15 Melting Point: 295° (sublimes)

L-Glutamine, the uncharged and amidated analog of L-glutamic acid, is an important amino acid for the incorporation of NH4+ into biomolecules. It is biosynthesized from NH4+ and glutamate via the enzyme glutamate synthetase. In turn, degradation of glutamine to free the ammonia moiety is mediated…

CAS: 56-45-1 EC No: 200-274-3 MDL No: MFCD00064224 RTECS: VT8100000 Powder Molecular Formula: C₃H₇NO₃ MW: 105.09 Melting Point: 222° (decomposes) Optical Rotation: [α]20/D +13.0±0.5°, c = 5% in 5M HCl

CAS: 73-22-3 EC No: 200-795-6 MDL No: MFCD00064340 RTECS: YN6130000 Powder Molecular Formula: C₁₁H₁₂N₂O MW: 204.23 Melting Point: 280-285° (decomposes)

L-Arginine is one of the three amino acids with basic side chains, and is very hydrophilic in character. Contains a guanidino group in the side chain Biosynthesized in the kidneys Hydrolyzed to urea and ornithine by arginase Can be metabolized to glutamate L-Arginine plays an…

CAS: 443-79-8 EC No: 207-139-8 MDL No: MFCD00004268 Powder Molecular Formula: C₆H₁₃NO₂ MW: 131.18 Melting Point: 290° (decomposes)

L-Proline is an amino acid. The conjugation of L-proline with imidazolium-based ionic liquid (IL)-modified magnetic nanoparticles forms a catalyst that can be magnetically recovered and employed in direct asymmetric aldol reaction. The solubility and stability of ezetimibe (EZT) has been reported…

CAS: 1783-96-6 EC No: 217-234-6 MDL No: MFCD00063081 RTECS: CI9097500 Powder Molecular Formula: C₈H₁₂N₂O₈ MW: 133.10 Melting Point: >300° Density (g/mL): 1.66 Optical Rotation: [α]20/D -24°, c = 2.3 in 6M HCl

CAS: 72-18-4 EC No: 200-773-6 MDL No: MFCD00064220 RTECS: YV9361000 Solid Molecular Formula: C₅H₁₁NO₂ MW: 117.15 Melting Point: 295-300° (sublimes) Optical Rotation: [α]20/D +27.0±0.5°, c = 5% in 5M HCl

L-Serine is one of the two biological amino acids with a hydroxyl substituted side chain, and thus is hydrophilic in character. L-serine is used in the study of influence of pulsed applications of serine on polyglucose synthesis by Fusobacterium nucleatum cultures. Supplementation of minimal…

CAS: 516-06-3 EC No: 208-220-0 MDL No: MFCD00004267 Powder Molecular Formula: C₅H₁₁NO₂ MW: 117.15 Melting Point: 295° (decomposes)

CAS: 72-19-5 EC No: 200-774-1 MDL No: MFCD00064270 RTECS: XO8590000 Crystalline/Powder Molecular Formula: C₄H₉NO₃ MW: 119.12 Melting Point: 255° (decomposes)

CAS: 147-85-3 EC No: 205-702-2 MDL No: MFCD00064318 RTECS: TW3584000 Powder Molecular Formula: C₅H₉NO₂ MW: 115.13 Melting Point: 228° (decomposes) Density (g/mL): 1.36

CAS: 302-84-1 EC No: 206-130-6 MDL No: MFCD00064223 Crystalline Molecular Formula: C₃H₇NO₃ MW: 105.09 Melting Point: 240° (decomposes)

CAS: 312-84-5 EC No: 206-229-4 MDL No: MFCD00004269 RTECS: VT8200000 Crystalline Molecular Formula: C₃H₇NO₃ MW: 105.09

CAS: 1119-34-2 EC No: 214-275-1 MDL No: MFCD00064550 RTECS: CF1995500 Powder Molecular Formula: C₆H₁₄N₄O₂·HCl MW: 210.66 Optical Rotation: [α]20/D +22.0±0.5°, c = 5% in 5M HCl

L-Cysteine is a proteinogenic amino acid incorporated into proteins as directed by the genetic code. The thiol-side chain participates in a variety of oxidation/reduction reactions within the cell. The side chain participates in the formation of β bonds that modulate the secondary and ternary…

The essential amino acid L-histidine is one of the three amino acids with a basic side chain, and is very hydrophilic in character. It contains an imidazole group in the side chain. L-Histidine has been used to study cultures of the human T-lymphoblastic leukemia cell line MOLT-4 to study…

CAS: 328-38-1 EC No: 206-327-7 MDL No: MFCD00063088 RTECS: OH2840000 Crystalline Molecular Formula: C₆H₁₃NO₂ MW: 131.17 Optical Rotation: [α]23/D -14.7°, c = 2 in 5M HCl

Leucine is a branched-chain α-amino acid. Leucine is classified as a hydrophobic amino acid due to its aliphatic isobutyl side chain. Leucine has been used as a molecular marker in the recovery of DNA from palaeontological samples for PCR analysis.

CAS: 609-36-9 EC No: 210-189-3 MDL No: MFCD00005250 Solid Molecular Formula: C₅H₉NO₂ MW: 115.13 Melting Point: 208° (decomposes)

CAS: 6000-43-7 EC No: 227-841-8 MDL No: MFCD00012872 RTECS: MC0560000 Solid Molecular Formula: C₂H₅NO₂·HCl MW: 111.53 Melting Point: 176-180°

CAS: 348-67-4 EC No: 206-483-6 MDL No: MFCD00002622 RTECS: PD0455000 Crystalline/Powder Molecular Formula: C₅H₁₁NO₂S MW: 149.21 Optical Rotation: [α]20/D -23.7±0.5°, c = 5% in 5M HCl

CAS: 632-20-2 EC No: 211-171-8 MDL No: MFCD00064269 RTECS: XO8580000 Crystalline Molecular Formula: C₄H₉NO₃ MW: 119.12 Optical Rotation: [α]20/D +29±1°, c = 5% in water

L-Glutamine, the uncharged and amidated analog of L-glutamic acid, is an important amino acid for the incorporation of NH4+ into biomolecules. It is biosynthesized from NH4. L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source…