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Chemical Abbreviations

This page houses a small list of chemical acronyms and abbreviations that are commonly used in peptide manufacturing chemistry.

Begin by typing a chemical abbreviation into the field below to view the full chemical name.

Abbreviation Full Chemical Name
1-Nal β-(1-Naphthyl)-L-alanine
2-Nal β-(2-Naphthyl)-L-alanine
4MbNA 4-Methoxy-β-naphthylamide
Abu L-α-Aminobutyric acid
Abz 2-Aminobenzoyl (Anthraniloyl)
Ac Acetyl
Acm Acetamidomethyl
Ada Adamantyl
AFC 7-Amino-4-trifluoromethyl-coumaride
Aha 7-Aminoheptanoic acid
Ahx 6-Aminohexanoic acid (n-caproic acid)
Aib α-Aminoisobutyric acid (α-Methyl-alanine)
Ala Alanine
Aloc Allyloxycarbonyl
AMC 7-Amino-4-methyl-coumaride
Aph Aminophenylalanine
Arg Arginine
Asn Asparagine
Asp Aspartic Acid
Asu L-α-Aminosuberic acid (L-2-Aminooctanoic acid)
Boc t-Butoxycarbonyl
Bom Benzyloxymethyl
BOP Benzotriazole-1-yl-oxy-tris(dimethylamino)phosphoniumhexafluorophosphate
Bpa 4-Benzoyl-L-phenylalanine
Bz Benzoyl
Bzl Benzyl
Cbz (Z) Benzyloxycarbonyl
CDI 1,1'-Carbonyldiimidazole
Cha Cyclohexylalanine
Chg L-Cyclohexylglycine
Cit L-Citrulline
Cys Cysteine
Dab L-α,γ-Diaminobutyric acid
DABCYL 4-(4-Dimethylaminophenylazo)benzoyl
Dap Diaminopimelic acid
DCC N,N'-Dicyclohexylcarbodiimide
DCHA Dicyclohexylammonium salt
Dde 1-(4,4-Dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl
DIC 1,3-Diisopropylcarbodiimide
DIPEA Diisopropylethylamine
DMAP 4-Dimethylaminopyridine
DMF N,N-Dimethylformamide
DMS Dimethylsulfide
DMSO Dimethylsulfoxide
Dnp 2,4-Dinitrophenyl
Dpr 2,3-Diaminopropionic acid
EDANS 5-[(2-Aminoethyl)amino]naphthalene-1-sulfonyl
EDT 1,2-Ethanedithiol
EEDQ 2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline
Et Ethyl
FITC Fluorescein isothiocyanate
Fm Fluorenylmethyl
Fmoc 9-Fluorenylmethyloxycarbonyl
For Formyl
Gla g-Carboxy-L-glutamic acid
Gln Glutamine
Glp Pyroglutamic Acid
Glu Glutamic Acid
Gly Glycine
HATU O-(7-Azabenzotriazole-1-yl)-1,1,3,3-tetramethyluroniumhexafluorophosphate
HBTU O-(Benzotriazole-1-yl)-1,1,3,3-tetramethyluroniumhexafluorophosphate
His Histidine
HOAt 1-Hydroxy-7-azabenzotriazole
HOBt 1-Hydroxybenzotriazole
Homoarg L-Homoarginine (L-α-Amino-ε-guanidinohexanoic acid)
Homocit L-Homocitrulline (L-α-Amino-ε-ureidohexanoic acid)
Hse Homoserine
Hyp trans-4-Hydroxy-L-proline
Ile Isoleucine
iPr iso-Propyl
Leu Leucine
Lys Lysine
MBHA 4-Methylbenzhydrylamine
Mbs 4-Methoxybenzenesulfonyl
Mbzl 4-Methylbenzyl
Mca (7-Methoxycoumarin-4-yl)acetyl
Me Methyl
MeOSuc Methoxysuccinyl
Met Methionine
Met(O) L-Methionine sulfoxide
Met(O)2 L-Methionine sulfone
Mmt 4-Methoxytrityl
Mob 4-Methoxybenzyl
Mpr 3-Mercaptopropionyl
Mtt 4-Methyltrityl
Nal Naphthylalanine
NHEt Ethylamide
NHMe N-Methylamide
NHNH2 Hydrazide
NHOH Hydroxamate
Nic Nicotinyl
Nle Norleucine
NMe2 N,N-Dimethylamide
NMP N-Methylpyrrolidine
NO2 Nitro
Nps 2-Nitrophenylsulfenyl
NPys 3-Nitro-2-pyridinesulfenyl
OBzl Benzyl ester
OcHex Cyclohexyl ester
OEt Ethyl ester
OFm Fluorenylmethyl ester
OHex Hexyl ester
Oic L-Octahydroindole-2-carboxylic acid
OMe Methyl ester
ONp p-Nitrophenyl ester
OPcp Pentachlorophenyl ester
OPfp Pentafluorophenyl ester
OPh Phenyl ester
Orn Ornithine
OSu Succinimide ester
OtBu t-Butyl ester
Pal 2-Pyridylalanine
Pbf 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl
PEG Polyethylene glycol
Pen L-Penicillamine (β,β-Dimethyl-L-cysteine)
Phaa Phenylacetic acid
Phe Phenylalanine
Phg L-Phenylglycine
Pmp β-Mercapto-β,β-cyclopentamethylene propionic acid
pNA p-Nitroanilide
Pro Proline
pSer Phospho-L-serine
pThr Phospho-L-threonine
pTyr Phospho-L-tyrosine
Pyr (pGlu) L-Pyroglutamic acid
Sar Sarcosine (N-Methylglycine)
Ser Serine
Sta Statyl- ((3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl)
Suc Succinyl
TBTU O-Benzotriazole-1-yl-1,1,3,3-tetramethyluroniumtetrafluoroborate
tBu t-Butyl
TEA Triethylamine
TFA Trifluoroacetic acid
Tfa Trifluoroacetyl
TFE 2,2,2-Trifluoroethanol
Thr Threonine
Tic L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid
Tos Tosyl (4-Toluenesulfonyl)
Trp Tryptophan
Trt Trityl
Tyr Tyrosine
Tyr(Me) Methyltyrosine
Val Valine
Xan Xanthyl
Z (Cbz) Benzyloxycarbonyl
β-Ala β-Alanine
βNA β-Naphthylamide