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Abbreviation of Common Chemical Compounds Related to Peptides

Below is a list of common abbreviations found in peptide and oligonucleotide synthesis. Use CTRL + F to search this list

AbbreviationStands ForAlso Known AsExamples
β-Alabeta-alanineβ-Alanine 
1-Nalβ-(1-Naphthyl)-L-alanine3-(1-Naphthyl)-L-alanine 
2-Nalβ-(2-Naphthyl)-L-alanine  
4-MbNA4-Methoxy-β-naphthylamide  
AFC7-Amino-4-trifluoromethyl-coumarin AFC [7-Amino-4-trifluoromethylcoumarin] *CAS 53518-15-3*
Ac-DEVD-AFC *CAS 201608-14-2*
Z-DEVD-AFC
AMC7-Amino-4-methyl-coumaride AMC [7-Amino-4-methylcoumarin] *CAS 26093-31-2*
BOC-Val-Pro-Arg-AMC
Suc-LLVY-AMC
AbuL-α-Aminobutyric acid  
Abz2-AminobenzoylAnthraniloyl 
AcAcetyl (Ac) group. N-terminal acetylation Ac-IETD-AMC
Ac-IETD-AFC *CAS 211990-57-7*
Z-IETD-AFC *CAS 219138-02-0*
AcmAcetamidomethyl  
AdaAdamantyl  
Aha7-Aminoheptanoic acid  
Ahx6-Aminohexanoic acid (Ahx, C6)C6DNP-X acid [6-(2,4-Dinitrophenyl)aminohexanoic acid] *CAS 10466-72-5*
DNP-X acid, SE [6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester] *CAS 82321-04-8*
Aibα-Aminoisobutyric acidα-Methyl-alanine 
AlocAllyloxycarbonyl  
AphAminophenylalanine  
Arg(Me2)N,N-dimethyl-L-arginine  
AsuL-α-Aminosuberic acidL-2-Aminooctanoic acid 
BenzoylBenzoylBz
C6H5CO-
Benzoyl-Arg-AMC
Benzoyl-Leu-Gly-Arg-Aminoluciferin
Boctert-butoxycarbonyltert-butyloxycarbonyl BOC-Val-Pro-Arg-AMC
N-BOC-ethylenediamine *CAS 57260-73-8*
BOC-Val-Pro-Arg-Aminoluciferin
BomBenzyloxymethyl  
Bpa4-Benzoyl-L-phenylalanine  
BzlBenzyl BC-NH2 [O6-(4-Aminomethyl-benzyl)guanine]
Resorufin benzyl ether *CAS 87687-02-3*
BG-NH2 [O6-(4-Aminomethyl-benzyl)guanine]
CHOaldehyde functional groupformyl functional groupAc-DEVD-CHO *CAS 169332-60-9*
Ac-IETD-CHO *CAS 191338-86-0*
Ac-VAD-CHO [Caspase Inhibitor II]
CMKChloromethylketone  
CbzBenzyloxycarbonylZZ-Gly-Pro-AMC *CAS 68542-93-8*
(Z-DEVD)2-R110
Z-DEVD-AFC
ChaCyclohexylalanine  
ChgL-Cyclohexylglycine  
CitL-Citrulline  
DCHADicyclohexylammonium salt  
DL-AspDL-Aspartic acid  
DNP2,4-Dinitrophenyl DNP-X acid [6-(2,4-Dinitrophenyl)aminohexanoic acid] *CAS 10466-72-5*
DNP-X acid, SE [6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester] *CAS 82321-04-8*
DNP amine
DOTA1,4,7,10-tetraazacyclododecane-N,N,N,N-tetraacetic acid  
DabL-α,γ-Diaminobutyric acid  
Dabcyl4-(4-Dimethylaminophenylazo)benzoyl DABCYL acid [4-((4-(Dimethylamino)phenyl)azo)benzoic acid] *CAS 6268-49-1*
DABCYL succinimidyl ester [4-((4-(Dimethylamino)phenyl)azo)benzoic acid, succinimidyl ester] *CAS 146998-31-4*
DABSYL chloride [4-Dimethylaminoazobenzene-4-sulfonyl chloride] *CAS 56512-49-3*
Dansyl5-(Dimethylamino) naphthalene-1-sulfonyl Dansyl chloride [5-Dimethylaminonaphthalene-1-sulfonyl chloride] *CAS 605-65-2*
Dansyl cadaverine [5-Dimethylaminonaphthalene-1-(N-(5-aminopentyl))sulfonamide]
Dansyl-X, SE
DapDiaminopimelic acid FMOC-Dap(Boc)-OH *CAS 162558-25-0*
Dde1-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl  
DecydecanoylCH3(CH2)8CO- 
Dpr2,3-Diaminopropionic acid2,3-diaminopropionate 
EDANS5-[(2-Aminoethyl)amino]naphthalene-1-sulfonyl EDANS sodium salt [5-((2-Aminoethyl)aminonaphthalene-1-sulfonic acid, sodium salt] *CAS 100900-07-0*
EDANS acid [5-((2-Aminoethyl)amino)naphthalene-1-sulfonic acid] *CAS 50402-56-7*
EDANS iodoacetamide [5-((((2-Iodoacetyl)amino)ethyl)amino)naphthalene-1-sulfonic acid]
FAMCarboxyfluorescein 5-FAM [5-Carboxyfluorescein] *CAS 76823-03-5*
5(6)-FAM [5-(and-6)-Carboxyfluorescein] *CAS 72088-94-9*
5-FAM, SE [5-Carboxyfluorescein, succinimidyl ester] *CAS 92557-80-7*
FITCFluorescein isothiocyanate 5-FITC [Fluorescein-5-isothiocyanate] *CAS 3326-32-7*
FITC-xtra
FITC-C6-DEVD-FMK
FMKFluoromethylketone FAM-VAD-FMK
FITC-C6-DEVD-FMK
FITC-C6-D(OMe)E(OMe)VD(OMe)-FMK
FmFluorenylmethyl  
Fmoc9-Fluorenylmethyloxycarbonyl FMOC-Lys(5-TAMRA)-OH
FMOC-Lys(5-FITC)-OH
FMOC-Lys(5-FAM)-OH *CAS 1242933-88-5*
FuroylFuran-2-carbonyl  
GABAGamma-aminobutyric acid  
Glaγ-Carboxy-L-glutamic acid  
GlpPyroglutamic AcidpGlu
Pyr
 
HomoargL-HomoarginineL-α-Amino-ε-guanidinohexanoic acid 
HomocitL-HomocitrullineL-α-Amino-ε-ureidohexanoic acid 
HseHomoserine  
Hyptrans-4-Hydroxy-L-proline  
Lys(Me)N-methyl lysine  
Lys(Me1)N-methyl lysine  
Lys(Me2)N-dimethyl lysine  
Lys(Me3)N-trimethyl lysine  
MBHA4-Methylbenzhydrylamine  
Mbs4-Methoxybenzenesulfonyl  
Mbzl4-Methylbenzyl BC-NH2 [O6-(4-Aminomethyl-benzyl)guanine]
BG-NH2 [O6-(4-Aminomethyl-benzyl)guanine]
Mca(7-Methoxycoumarin-4-yl)acetyl MCA [7-Methoxycoumarin-4-acetic acid] *CAS 62935-72-2*
MCA succinimidyl ester [7-Methoxycoumarin-4-acetic acid, succinimidyl ester]
Memethyl functional groupR-CH3TMRM [Tetramethylrhodamine methyl ester] *CAS#: 115532-50-8*
MCLA [2-Methyl-6-(4-methoxyphenyl)-3,7-dihydroimidazo[1,2-a]pyrazin-3-one, hydrochloride] *CAS 128322-44-1*
D-Luciferin methyl ester *CAS 73918-26-0*
MeAlaN-methyl alanine  
MeNleN-methyl-L-norleucine  
MeOSucMethoxysuccinyl MeO-Succ-Arg-Pro-Tyr-AMC
Met(O)L-Methionine sulfoxide  
Met(O)2L-Methionine sulfone  
Mmt4-Methoxytrityl  
Mob4-Methoxybenzyl  
Mpr3-Mercaptopropionyl  
Mtt4-Methyltrityl  
Myrmyristyl functional groupMyristic acid
CH3(CH2)12-
 
N3azide functional group+N=-N–N–R5-FAM Azide
5-TAMRA azide
Biotin Azide
NHEtEthylamide  
NHMeN-Methylamide  
NHNH2Hydrazide iFluor® 488 hydrazide
Biotin hydrazide *CAS 66640-86-6*
Cyanine 7 hydrazide [equivalent to Cy7® hydrazide]
NHOHHydroxamate  
NMPN-Methylpyrrolidine  
NMe2N,N-Dimethylamide  
NO2Nitro pNPP [4-Nitrophenyl phosphate, disodium salt] *CAS 333338-18-4*
2-NBDG [2-(N-(7-Nitrobenz-2-oxa-1,3-diazol-4-yl)Amino)-2-Deoxyglucose] *CAS#: 186689-07-6*
NBD-Cl [4-Chloro-7-nitrobenzofurazan] *CAS 10199-89-0*
NOTA1,4,7-triazacyclononane-N,N,N-triacetic acid  
NPys3-Nitro-2-pyridinesulfenyl  
Nalβ-(1-Naphthyl)-L-alanine (3-(1-Naphthyl)-L-alanine)  
NicNicotinyl  
NleNorleucine  
Nps2-Nitrophenylsulfenyl  
OBzlBenzyl ester  
OEtEthyl ester TMRE [Tetramethylrhodamine ethyl ester] *CAS#: 115532-52-0*
Zinquin ethyl ester *UltraPure grade*
D-Luciferin ethyl ester *CAS 135251-85-3*
OFmFluorenylmethyl ester  
OHexHexyl ester Rhodamine B, hexyl ester, perchlorate
OMeMethyl ester TMRM [Tetramethylrhodamine methyl ester] *CAS#: 115532-50-8*
D-Luciferin methyl ester *CAS 73918-26-0*
ONpp-Nitrophenyl ester  
OPcpPentachlorophenyl ester  
OPfpPentafluorophenyl ester  
OPhPhenyl ester  
OSuSuccinimide ester ICG-OSu
ICG-Sulfo-OSu
ICG Xtra-OSu
OcHexCyclohexyl ester  
OicL-Octahydroindole-2-carboxylic acid  
OrnOrnithine  
OtBut-Butyl ester  
PEGPolyethylene glycol FMOC-Glu(biotinyl-PEG)-OH
Glucose-UDP-(PEG)6-Fluorescein Conjugate
MM(PEG)24 Methyl-PEG-Maleimide Reagent
PEG2Polyethylene glycol--CH2-CH2-O-CH2-CH2-O-CH2-CH2--Biotin PEG2 amine *CAS 138529-46-1*
Biotin PEG2 maleimide *CAS 305372-39-8*
Biotin PEG2 succinimidyl ester
PEG4Polyethylene glycol--CH2-CH2-O-CH2-CH2-O-CH2-CH2-O-CH2-CH2-O-CH2-CH2--Biotin PEG4 succinimidyl ester
Phalloidin-PEG4-DBCO
DBCO-PEG4-NHS Ester
Pal2-Pyridylalanine (Ac-PAL)2R110
PalmitoylPalmitic acid group  
Pbf2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl  
PenL-Penicillamineβ,β-Dimethyl-L-cysteine 
PhaaPhenylacetic acid  
PhgL-Phenylglycine  
Pmpβ-Mercapto-β,β-cyclopentamethylene propionic acid  
R110Rhodamine 110 Rhodamine 110 *CAS 13558-31-1*
Bis-L-Aspartic acid Beta-rhodamine 110
Bis-Arg-rhodamine 110
SarSarcosineN-Methylglycine 
StaStatyl-((3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl) BOC-Statine [BOC-Sta(3S,4S)-OH] *CAS 58521-49-6*
FMOC-Statine [FMOC-Sta(3S,4S)-OH] *CAS 158257-40-0*
SucSuccinyl Suc-LLVY-AMC
(Suc-LLVY)2R110
Suc-LLVY-Aminoluciferin
TAMRACarboxytetramethyl rhodamine 5(6)-TAMRA [5(6)-Carboxytetramethylrhodamine] *CAS 98181-63-6*
6-TAMRA, SE [6-Carboxytetramethylrhodamine, succinimidyl ester] *CAS#: 150810-69-8*
5(6)-TAMRA, SE [5-(and-6)-Carboxytetramethylrhodamine, succinimidyl ester] *CAS 246256-50-8*
TfaTrifluoroacetyl  
Thiβ-2-Thienylalanine  
TicL-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid  
Tletert-butyl-leucine  
TosTosyl4-Toluenesulfonyl 
TrtTrityltriphenylmethyl
Tr
 
Tyr(Me)Methyltyrosine  
XanXanthyl  
gamma-Gluγ-L-Glutamyl-  
iPriso-propyl  
p-nitro-Phepara-nitro-phenylalanine  
pNAp-Nitroanilide Ac-DEVD-pNA *CAS 189950-66-1*
Z-IETD-pNA *CAS 219138-21-3*
Z-DEVD-pNA
pSerPhospho-L-serine  
pThrPhospho-L-threonine  
pTyrPhospho-L-tyrosine  
tBut-Butyl  
β-NAβ-Naphthylamide  


Original created on April 24, 2020, last updated on April 24, 2020
Tagged under: Oligonucleotide Labeling, Peptide Labeling