| 402491-95-6 | L-Lysine, L-prolylglycyl-L-prolyl-L-a-glutamylglycylglycylglycyl- | C29H47N9O11 |
| 40290-51-5 | L-Proline, L-isoleucyl-, 1,1-dimethylethyl ester | C15H28N2O3 |
| 40290-65-1 | L-Methionine, N-L-phenylalanyl-, methyl ester, monohydrochloride | C15H22N2O3S.ClH |
| 40299-19-2 | L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, (4-nitrophenyl)methyl ester | C17H24N2O6 |
| 403477-43-0 | L-Alanine, L-lysyl-L-leucyl-L-seryl-L-a-glutamylglycyl-L-a-aspartyl-L-leucyl-L-leucyl- | C41H72N10O15 |
| 403694-80-4 | L-Proline, L-seryl-L-alanyl- | C11H19N3O5 |
| 403703-77-5 | L-Serine, glycyl-L-leucyl- | C11H21N3O5 |
| 40375-16-4 | L-Phenylalanine, N-(1-oxooctyl)- | C17H25NO3 |
| 404367-92-6 | L-Cysteine, L-cysteinyl-L-histidyl-L-glutaminyl-L-lysyl-L-prolyl-L-tryptophyl-L-a-glutamyl- | C44H63N13O12S2 |
| 404822-74-8 | L-Cysteine, L-cysteinyl-L-tryptophyl-L-lysyl-L-threonyl-L-seryl-L-leucyl-L-threonyl-L-seryl- L-histidyl-L-tyrosyl- | C58H85N15O17S2 |
| 404965-20-4 | Lithium, [1,3,3-trimethyl-1-[3-[1,3,3-trimethyl-1-(trimethylstannyl)butyl]phenyl]butyl] - | C23H41LiSn |
| 405158-23-8 | L-Aspartic acid, N-(dimethoxyphosphinyl)- | C6H12NO7P |
| 405511-39-9 | L-Leucine, L-lysyl-L-isoleucyl-L-lysyl-L-lysyl-L-isoleucyl-L-a-glutamyl-L-asparaginyl-L-a -glutamyl-L-isoleucyl-L-alanyl-L-arginyl-L-isoleucyl-L-lysyl-L-lysyl- | C83H154N24O21 |
| 405874-42-2 | L-Leucine, glycyl-L-leucyl-L-leucylglycyl-L-threonyl-L-leucyl-L-valyl-L-glutaminyl- | C42H76N10O12 |
| 40610-14-8 | Lithium, 2-thiazolyl- | C3H2LiNS |
| 406482-84-6 | L-Leucine, glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparaginyl-L-seryl-L-alanylglycyl-L -tyrosyl-L-leucyl-L-leucyl-L-lysyl-L-isoleucyl-L-asparaginyl-L-leucyl-L-lysyl-L- alanyl-L-leucyl-L-alanyl-L-alanyl-L-leucyl-L-alanyl-L-lysyl-L-lysyl-L-isoleucyl- | C132H223N33O32 |
| 40777-71-7 | L-Alanine, N-[(phenylmethoxy)carbonyl]-, 3-nitrophenyl ester | C17H16N2O6 |
| 40900-03-6 | Lithium, [1-(phenylsulfonyl)-1H-indol-2-yl]- | C14H10LiNO2S |
| 40908-40-5 | L-Tyrosine, N-(trifluoroacetyl)-, ethyl ester | C13H14F3NO4 |
| 409092-97-3 | L-Leucine, 3-formyl-N-(4-methoxyphenyl)-, ethyl ester, (3S)- | C16H23NO4 |
| 409095-74-5 | L-Valine, L-valyl-L-leucyl-L-tryptophyl-L-lysyl-L-leucyl-L-leucyl-L-lysyl-L-valyl- | C56H96N12O10 |
| 40944-73-8 | L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-L-a-aspartyl]-, methyl ester | C19H26N2O7 |
| 410076-76-5 | L-Tyrosine, 3-nitro-, butyl ester | C13H18N2O5 |
| 41035-85-2 | L-Glutamic acid, N-(carboxymethyl)- | C7H11NO6 |
| 41036-21-9 | L-Proline, 1-[N-[(1,1-dimethylethoxy)carbonyl]-D-alanyl]-, phenylmethyl ester | C20H28N2O5 |
| 41036-22-0 | L-Proline, 1-D-alanyl-, phenylmethyl ester, monohydrochloride | C15H20N2O3.ClH |
| 41036-60-6 | L-Proline, 1-(N-acetyl-L-alanyl)- | C10H16N2O4 |
| 41036-61-7 | L-Proline, 1-[N-(1-acetyl-L-prolyl)-L-alanyl]- | C15H23N3O5 |
| 410532-68-2 | L-Arginine, L-histidyl-L-arginyl-L-arginyl-L-seryl-L-alanyl-L-arginyl-L-tyrosyl-L-leucyl-L-a- glutamyl-L-seryl-L-seryl-L-valyl- | C67H113N27O20 |
| 411230-24-5 | L-Glutamic acid, L-alanyl-L-valyl-L-prolyl-L-isoleucyl-L-alanyl-L-glutaminyl-L-lysyl-L-seryl- | C41H71N11O14 |
| 4125-82-0 | L-Valine, N-[[(4-methoxyphenyl)methoxy]carbonyl]- | C14H19NO5 |
| 41285-21-6 | Lithium, (2-ethylphenyl)- | C8H9Li |
| 412908-19-1 | L-Leucine, L-alanylglycyl-L-lysyl-L-alanyl- | C20H38N6O6 |
| 412938-63-7 | L-Phenylalanine, L-seryl-L-phenylalanyl-L-arginyl-L-asparaginylglycyl-L-valylglycyl-L-threonyl glycyl-L-methionyl-L-lysyl-L-lysyl-L-threonyl-L-seryl- | C70H113N21O21S |
| 412938-65-9 | L-Serine, L-seryl-L-phenylalanyl-L-arginyl-L-asparaginylglycyl-L-valylglycyl-L-threonyl glycyl-L-methionyl-L-lysyl-L-lysyl-L-threonyl- | C61H104N20O20S |
| 412939-00-5 | L-Phenylalanine, L-threonyl-L-alanyl-L-alanyl-L-histidyl-L-a-glutamyl-L-leucylglycyl-L-histidyl-L -valyl-L-lysyl- | C55H84N16O15 |
| 41309-44-8 | Lithium, [2-(trimethylsilyl)ethenyl]- | C5H11LiSi |
| 41407-65-2 | Lithium, anthracenyl- | C14H9Li |
| 41442-21-1 | L-isoleucine, sodium salt (1:1) | C6H13NO2.Na |
| 41442-22-2 | L-Methionine, monosodium salt | C5H11NO2S.Na |
| 41444-88-6 | L-Glutamine, 1,1-dimethylethyl ester | C9H18N2O3 |
| 4147-03-9 | L-Aspartic acid, 3-(phenylmethyl)- | C11H13NO4 |
| 414903-36-9 | L-Leucine, L-asparaginyl-L-a-glutamylglycyl-L-valyl-L-prolylglycyl-L-a-aspartyl-L-seryl- L-threonyl-L-arginyl-L-lysyl-L-cysteinyl-L-methionyl-L-a-aspartyl- | C64H108N20O25S2 |
| 41521-39-5 | L-Serine, monosodium salt | C3H7NO3.Na |
| 41594-21-2 | L-Cysteine, S-[(3,4-dimethylphenyl)methyl]- | C12H17NO2S |
| 41658-43-9 | L-Leucinamide, N-[(1,1-dimethylethoxy)carbonyl]glycyl-N-[3-chloro-2-oxo-1-(phenylmeth yl)propyl]-, (S)- | C23H34ClN3O5 |
| 4167-90-2 | Lithium, (triphenylstannyl)- | C18H15LiSn |
| 4172-44-5 | L-Xylonic acid | C5H10O6 |
| 41745-47-5 | L-Proline, L-a-glutamyl- | C10H16N2O5 |
| 417708-30-6 | L-Proline, L-glutaminyl-L-glutaminyl-L-prolyl-L-phenylalanyl- | C29H41N7O8 |
| 41823-71-6 | Lithium, [bis(trimethylsilyl)methyl]- | C7H19LiSi2 |
| 418766-39-9 | L-Isoleucine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 2-[4-(carboxymethoxy)phenyl]-2-(trimethylsilyl)ethyl ester | C34H41NO7Si |
| 41889-06-9 | L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]glycyl]-, methyl ester | C17H24N2O5 |
| 41960-90-1 | L-Threonine, N-[N-[(phenylmethoxy)carbonyl]-L-leucyl]-, methyl ester | C19H28N2O6 |
| 42052-95-9 | Lithium, (1,3,3-trimethyl-1-phenylbutyl)- | C13H19Li |
| 42061-45-0 | L-Valine, L-a-aspartyl-L-arginyl- | C15H28N6O6 |
| 420796-22-1 | L-Lysine, L-glutaminyl-L-prolyl-L-arginylglycyl-L-a-aspartyl-L-prolyl-L-threonylglycyl-L- prolyl-L-lysyl-L-a-glutamyl-L-glutaminyl-L-lysyl-L-lysyl- | C72H124N24O23 |
| 422512-75-2 | L-Methioninamide, N-[[4,7,10-tris(carboxymethyl)-1,4,7,10-tetraazacyclododec-1-yl]acetyl]- b-alanyl-L-glutaminyl-L-tryptophyl-L-alanyl-L-valylglycyl-L-histidyl-L-leucyl- | C62H96N18O17S |
| 4226-01-1 | Lithium, (tributylstannyl)- | C12H27LiSn |
| 42266-99-9 | L-Cysteine, S-(carboxymethyl)-, monoammonium salt | C5H9NO4S.H3N |
| 42291-52-1 | L-Alanine, N-[N-[(1,1-dimethylethoxy)carbonyl]glycyl]- | C10H18N2O5 |
| 42294-01-9 | L-Prolinamide, 5-oxo-L-prolylglycyl- | C12H18N4O4 |
| 42334-88-3 | L-LysineHydrochloride>99% | C6H14N2O2.xClH |
| 42398-39-0 | Leucine, benzenesulfonate | C6H13NO2.C6H6O3S |
| 42406-67-7 | L-Asparagine, (4-nitrophenyl)methyl ester | C11H13N3O5 |
| 42406-72-4 | L-Isoleucine, phenylmethyl ester | C13H19NO2 |
| 42406-73-5 | L-Lysine, phenylmethyl ester | C13H20N2O2 |
| 4252-82-8 | L-Proline, 4-hydroxy-1-methyl-, trans- | C6H11NO3 |
| 42533-17-5 | L-Histidine, N-[[(4-methoxyphenyl)methoxy]carbonyl]-, hydrazide | C15H19N5O4 |
| 425371-35-3 | L-Threonine, L-serylglycylglycyl-L-threonyl-L-serylglycyl-L-seryl-L-threonyl-L-serylglycyl-L- threonylglycyl-L-seryl- | C41H70N14O24 |
| 425382-55-4 | L-Proline, L-lysyl-L-alanyl-L-alanyl-L-valyl-L-seryl-L-histidyl-L-tryptophyl-L-glutaminyl-L- glutaminyl-L-glutaminyl-L-seryl-L-tyrosyl-L-leucyl-L-a-aspartyl-L-serylglycyl- L-isoleucyl-L-histidyl-L-serylglycyl-L-alanyl-L-threonyl-L-threonyl-L-threonyl- L-alanyl- | C119H181N35O40 |
| 425408-52-2 | L-Lysine, L-glutaminyl-L-arginyl-L-a-glutamyl- | C22H41N9O8 |
| 425644-59-3 | L-Alanine, thio-L-alanyl- | C6H12N2O2S |
| 42568-21-8 | L-Methionine, N-[2-oxo-2-(10H-phenothiazin-10-yl)ethyl]- | C19H20N2O3S2 |
| 42722-80-5 | Lithium, (1-methoxyethenyl)- | C3H5LiO |
| 428815-89-8 | L-Glutamic acid, L-lysyl-L-phenylalanyl-L-phenylalanyl- | C29H39N5O7 |
| 428873-66-9 | L-Phenylalanine, L-seryl-L-tyrosyl-L-threonyl-L-alanyl-L-asparaginyl-L-leucyl-L-alanyl-L-alanyl - | C44H64N10O14 |
| 4289-01-4 | L-Tryptophan, phenylmethyl ester, mono(4-methylbenzenesulfonate) | C18H18N2O2.C7H8O3S |
| 42932-14-9 | L-Aspartic acid, N,N-diethyl-, diethyl ester | C12H23NO4 |
| 42935-12-6 | L-Histidine, N-[N-formyl-S-(triphenylmethyl)-L-cysteinyl]-, methyl ester | C30H30N4O4S |
| 429617-63-0 | L-Arginine, L-prolyl-L-prolyl-L-prolyl-L-isoleucyl-L-a-glutamylglycyl- | C34H56N10O10 |
| 429661-98-3 | L-Histidine, N-[(1S)-1-carboxy-3-methylbutyl]-3-[(4-iodophenyl)methyl]- | C19H24IN3O4 |
| 429668-90-6 | L-Leucine, N-[1-carboxy-3-[[(4-chlorophenoxy)acetyl]amino]propyl]- | C18H25ClN2O6 |
| 429681-51-6 | L-Serinamide, N-acetyl-L-seryl-L-lysyl-L-prolyl-L-isoleucylglycyl-L-prolyl-L-a-aspartyl-L-a- aspartyl-L-alanyl-L-isoleucyl-L-a-aspartyl-L-alanyl-L-leucyl-L-seryl-L-seryl-L -a-aspartyl-L-phenylalanyl-L-threonyl- | C85H133N21O33 |
| 430424-28-5 | L-Serine, L-seryl-L-threonyl-L-cysteinyl-L-threonyl-L-asparaginyl-L-seryl-L-threonyl-L- arginyl-L-a-glutamyl-L-seryl-L-asparaginyl-L-seryl- | C49H84N18O26S |
| 43157-16-0 | L-Histidine, N-[4-[(aminoiminomethyl)amino]-1-oxobutyl]-, sulfate (1:1) | C11H18N6O3.H2O4S |
| 43176-87-0 | L-Serine, N-(7-nitro-2,1,3-benzoxadiazol-4-yl)- | C9H8N4O6 |
| 43189-51-1 | L-Alanine, N-[(1,1-dimethylethoxy)carbonyl]-L-leucyl-, methyl ester | C15H28N2O5 |
| 432513-88-7 | L-Tyrosine, L-arginyl-L-arginyl-L-cysteinylglycyl-L-tyrosyl- | C35H52N12O9S |
| 433222-18-5 | L-Proline, L-prolyl-L-histidyl-L-threonyl-L-a-aspartyl-L-isoleucyl-L-serylglycyl-L-threon yl-L-prolyl-L-a-glutamyl-L-isoleucyl-L-methionyl-L-histidyl-L-tyrosyl-L-valyl-L- histidyl-L-valyl-L-histidyl-L-arginyl-L-valyl-L-threonyl-L-threonyl-L-glutaminyl- L-prolyl-L-arginyl-L-asparaginyl-L-lysyl- | C142H223N45O41S |
| 433257-50-2 | L-Alanine, L-lysyl-L-a-glutamyl-L-a-aspartyl- | C18H31N5O9 |
| 433336-76-6 | L-Arginine, L-arginyl-L-seryl-L-a-aspartyl-L-asparaginyl-L-alanyl-L-leucyl- | C32H58N14O12 |
| 433685-29-1 | L-Arginine, L-cysteinyl-L-arginyl-L-asparaginyl-L-cysteinyl-L-isoleucyl-L-seryl-L-histidyl -L-a-glutamylglycyl- | C44H75N19O15S2 |
| 433686-93-2 | L-Threonine, L-phenylalanyl-L-leucyl-L-tyrosyl-L-a-aspartyl-L-valyl-L-isoleucyl-L-alanyl-L- seryl- | C49H73N9O15 |
| 433716-97-3 | L-Threonine, L-a-aspartyl-L-tyrosyl-L-tyrosyl-L-isoleucyl- | C32H43N5O11 |
| 433717-47-6 | L-Isoleucine, L-alanyl-L-alanyl-L-prolyl- | C17H30N4O5 |
| 434322-95-9 | L-Alanine, 3-[(1E)-1-propenylsulfinyl]- | C6H11NO3S |
| 435327-21-2 | L-Isoleucine, L-phenylalanyl-L-asparaginyl-L-leucyl-L-tyrosyl-L-seryl-L-seryl-L-isoleucyl-L- leucyl-L-phenylalanyl-L-leucyl-L-threonyl-L-cysteinyl-L-phenylalanyl-L-seryl- L-isoleucyl-L-phenylalanyl-L-arginyl-L-tyrosyl-L-cysteinyl-L-valyl-L-isoleucyl- | C130H192N26O30S2 |
| 436144-16-0 | L-Valine, L-asparaginyl-L-asparaginyl-L-asparaginyl-L-lysyl-L-phenylalanyl-L-tyrosyl- L-seryl- | C44H64N12O14 |
| 436159-74-9 | L-Proline, 1-(1-methylethenyl)- (9CI) | C8H13NO2 |