L-asparagine

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Names

[ CAS No. ]:
70-47-3

[ Name ]:
L-asparagine

[Synonym ]:
4-04-00-03005
ASPARAGINE,DL
Asn Asparagine
(±)-2-Aminosuccinic acid 4-amide
L-Asn-OH
Asparagine, DL-
H-DL-Asn-OH Monohydrate
L-Asparagine
2-Aminosuccinamic acid
a-Aminosuccinamic acid
DL-Aspartamine
EINECS 200-735-9
DL-ASPARAGINE
DL-Asn
DL-Asparagine monohydrate
DL-Asparaning H2O
Asn
L-Asn
H-ASN-OH
DL-Aspartic acid 4-amide
H-DL-Asn-OH
DL-Asparagine.H2O
DL-Asparagine hydrate
Aspartic Acid b-Amide
Agedoite
L-Aspartic monohydrate
Altheine
Asparagine
Asparamide
Crystal VI
MFCD00064401
h-dl-asn.h
asparagine acid
(L-Asparagin)alfa-Aminosuccinamicacid

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
438.0±40.0 °C at 760 mmHg

[ Melting Point ]:
235 °C (dec.)(lit.)

[ Molecular Formula ]:
C₄H₈N₂O₃

[ Molecular Weight ]:
132.118

[ Flash Point ]:
218.7±27.3 °C

[ Exact Mass ]:
132.053497

[ PSA ]:
106.41000

[ LogP ]:
-1.51

[ Vapour Pressure ]:
0.0±2.3 mmHg at 25°C

[ Index of Refraction ]:
1.533

[ Water Solubility ]:
20 g/L (20 ºC)

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
29241900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Fmoc-Asn-OH
H-Asp(OMe)-OH·HCl
Asp-Phe-NH2
L-Asn-L-Phe-OH
methane
Urea
DL-Asparagine
N2-acetyl-DL-asparagine
Maleic anhydride

DownStream

beta-alanine amide
(Z)-4-Amino-4-oxobut-2-enoic acid
DL-Aspartic Acid
Tosyl-L-asparagine
Oxaloacetic acid
2-oxosuccinamic acid
H-Met-Asn-OH
DL-Asparagine
(S)-4-amino-2-(3,5-dinitro-4-oxopyridin-1(4H)-yl)-4-oxobutanoic acid
4-Nitroaniline

Customs

[ HS Code ]: 2924199090

[ Summary ]:
2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

Characterisation of a putative AraC transcriptional regulator from Mycobacterium smegmatis.

Tuberculosis (Edinb.) 94(6) , 664-71, (2015)

MSMEG_0307 is annotated as a transcriptional regulator belonging to the AraC protein family and is located adjacent to the arylamine N-acetyltransferase (nat) gene in Mycobacterium smegmatis, in a gen...

Development of High-purity Certified Reference Materials for 17 Proteinogenic Amino Acids by Traceable Titration Methods.

Anal. Sci. 31 , 805-14, (2015)

To ensure the reliability of amino acid analyses, the National Metrology Institute of Japan of the National Institute of Advanced Industrial Science and Technology (NMIJ/AIST) has developed high-purit...

Use of Commercial Dry Yeast Products Rich in Mannoproteins for White and Rosé Sparkling Wine Elaboration.

J. Agric. Food Chem. 63 , 5670-81, (2015)

In sparkling wines, mannoproteins released during yeast autolysis largely affect their final quality. This process is very slow and may take several months. The aim of this work was to study the effec...