Boc Amino Acids Reference Info-Peptides International

*Boc-Amino Acid*	*MW of AA*	*Side Chain Deriv*	*Deriv MW*	*TLC*
*Boc-Amino Acid*	*MW of AA*	*Side Chain Deriv*	*Deriv MW*	*Rf (A)*	*Rf (B)*
Alanine	71.08 · 18.02	-	189.21	0.61	0.30
Arginine	156.19 · 18.02	Tos	428.51	0.39	0.02
Asparagine	114.10 · 18.02	-	232.24	0.21	0.38
Asparagine	114.10 · 18.02	Xan	412.45	0.90	0.17
Aspartic Acid	115.09 · 18.02	-	233.22	0.78	0.29
Cysteine	102.14 · 18.02	Mob	341.43	0.90	0.43
Glutamic Acid	129.12 · 18.02	OBzl	337.38	0.76	0.22
Glutamine	128.13 · 18.02	-	246.27	0.36	0.00
Glutamine	128.13 · 18.02	Xan	426	0.94	-
Glycine	57.05 · 18.02	-	175.19	0.65	0.21
Histidine	137.14 · 18.02	Tos·DCHA	409.46·181.32	0.73	0.05
Hydroxyproline	112.11 · 18.02	DCHA	230.24·181.32	0.45	-
Isoleucine	113.16 · 18.02	1/2 H₂O	231.29·9.01	0.68	0.42
Leucine	113.16 · 18.02	H₂O	231.29·18.02	0.70	0.33
Lysine	128.18 · 18.02	Cl-Z	414.89	-	-
Methionine	131.20 · 18.02	-	249.33	-	-
Norleucine	113.16 · 18.02	-	231.29	0.87	0.47
Ornithine	114.15 · 18.02	Z	366.42	0.66	0.17
Phenylalanine	147.18 · 18.02	-	265.31	0.70	0.39
Proline	97.12 · 18.02	-	215.25	0.63	0.31
Pyroglutamic Acid	111.03 · 18.02	-	229.1	0.20	0.00
Sarcosine	71.08 · 18.02	-	189.21	0.70	0.20
Serine	87.08 · 18.02	Bzl	295.34	0.74	0.39
Threonine	101.11 · 18.02	Bzl	309.37	0.77	0.38
Tryptophan	186.22 · 18.02	-	304.35	0.50	0.19
Tryptophan	186.22 · 18.02	For	332.36	0.52	0.20
Tyrosine	163.18 · 18.02	Br-Z	495.36	0.94	0.40
Tyrosine	163.18 · 18.02	Cl₂-Bzl	440.33	0.83	0.36
Valine	99.13 · 18.02	-	217.27	0.73	0.39

TLC refers to (A) Chloroform:Methanol:Acetic Acid : 85:10:5 v/v/v
(B) Chloroform:Acetic Acid : 95:5 v/v
TLC Information taken from Solid-Phase Peptide Synthesis,
Eds. J. M. Stewart and J. Young, Pierce Chemical Company, 1984.

Residues color coded by side chain properties

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