CAS
NO. |
15761-38-3 |
|
EINECS
NO. |
239-847-8 |
FORMULA |
C8H15NO4 |
MOL
WT. |
189.21 |
H.S.
CODE
|
|
TOXICITY
|
|
SYNONYMS |
N-alpha-t-BOC-L-alanine; N-(tert-Butoxycarbonyl)-L-alanine; |
N-[(1,1-Dimethylethoxy)carbonyl]-L-alanine;
N-[(1,1-dimetiletoxi)carbonil]-L-alanina; N-[(1,1-diméthylethoxy)carbonyl]-L-alanine;
Boc-Ala-OH; |
DERIVATION |
|
CLASSIFICATION
|
|
PHYSICAL AND CHEMICAL PROPERTIES
|
PHYSICAL
STATE |
White to off-white
crystalline
powder |
MELTING POINT |
79
- 83 C
|
BOILING
POINT |
|
SPECIFIC GRAVITY |
|
SOLUBILITY
IN WATER |
|
pH |
|
VAPOR DENSITY |
|
AUTOIGNITION
|
|
NFPA
RATINGS
|
Health:
1; Flammability: 0; Reactivity:
0 |
REFRACTIVE
INDEX
|
|
FLASH
POINT |
|
STABILITY |
Stable
under ordinary conditions. Moisture and light sensitive |
GENERAL
DESCRIPTION & APPLICATIONS
|
An unnatural
amino acid for peptidomimetics and biological
research. |
SALES
SPECIFICATION |
APPEARANCE
|
White to off-white
crystalline
powder |
ASSAY
|
98.0%
min |
OPTICAL ROTATION
[a]20 |
-24°
~
-26° (C=2
in Acetic Acid) |
SOLUTION CLARITY |
clear
|
Fe
|
10ppm
max
|
HEAVY METALS |
10ppm
max
|
As
|
2ppm
max
|
LOSS ON
DRYING |
0.5%
max
|
TRANSPORTATION |
PACKING |
|
HAZARD CLASS |
Not
regulated |
UN
NO. |
|
OTHER
INFORMATION |
Hazard Symbols: XI, Risk Phrases: 36/37/38,
Safety Phrases: 26-36 |
GENERAL
DESCRIPTION OF AMINO ACID
|
Amino Acid
|
Abbreviation
|
Formula (Mol WT)
|
pK1
|
pK2
|
pKR
|
pI
|
Hydropathy Index
|
3-Letters
|
1-Letter
|
-COOH
|
-NH3+
|
R group
|
Alanine |
Ala
|
A
|
C3H7NO2 (89.09) |
2.34
|
9.69
|
-
|
6.00
|
1.8
|
Arginine |
Arg
|
R
|
C6H14N4O2(174.20) |
2.17
|
9.04
|
12.48
|
10.76
|
-4.5
|
Asparagine |
Asn
|
N
|
C4H8N2O3(132.12) |
2.02
|
8.80
|
-
|
5.41
|
-3.5
|
Aspartic Acid |
Asp
|
D
|
C4H7NO4(133.10) |
1.88
|
9.60
|
3.65
|
2.77
|
-3.5
|
Cysteine |
Cys
|
C
|
C3H7NO2S(240.30) |
1.96
|
10.128
|
8.18
|
5.07
|
2.5
|
Glutamic Acid |
Glu
|
E
|
C5H9NO4(147.13) |
2.19
|
9.67
|
4.25
|
3.22
|
-3.5
|
Glutamine |
Gln
|
Q
|
C5H10N2O3(146.15) |
2.17
|
9.13
|
-
|
5.65
|
-3.5
|
Glycine |
Gly
|
G
|
C2H5O2(75.07) |
2.34
|
9.60
|
-
|
5.97
|
-0.4
|
Histidine |
His
|
H
|
C6H9N3O2(155.16) |
1.82
|
9.17
|
6.00
|
7.59
|
-3.2
|
Isoleucine |
Ile
|
I
|
C6H13NO2(131.18) |
2.36
|
9.60
|
-
|
6.02
|
4.5
|
Leucine |
Leu
|
L
|
C6H13NO2(131.18) |
2.36
|
9.60
|
-
|
5.98
|
3.8
|
Lysine |
Lys
|
K
|
C6H14N2O2(146.19) |
2.18
|
8.95
|
10.53
|
9.74
|
-3.9
|
Methionine |
Met
|
M
|
C5H11NO2S(149.21) |
2.28
|
9.21
|
-
|
5.74
|
1.9
|
Phenylalanine |
Phe
|
F
|
C9H11NO2(165.19) |
1.83
|
9.13
|
-
|
5.48
|
2.8
|
Proline |
Pro
|
P
|
C5H9NO2(115.13) |
1.99
|
10.60
|
-
|
6.30
|
1.6
|
Serine |
Ser
|
S
|
C3H7NO3(105.19) |
2.21
|
9.15
|
-
|
5.58
|
-0.8
|
Threonine |
Thr
|
T
|
C4H9NO3(119.12) |
2.09
|
9.10
|
-
|
5.60
|
-0.7
|
Tryptophan |
Trp
|
W
|
C11H10N2O2(204.23) |
2.83
|
9.39
|
-
|
5.89
|
-0.9
|
Tyrosine |
Tyr
|
Y
|
C9H11NO3(181.19) |
2.20
|
9.11
|
10.07
|
5.66
|
-1.3
|
Valine |
Val
|
V
|
C5H11NO2(117.15) |
2.32
|
9.62
|
-
|
5.96
|
4.2
|
|