ChemicalBook > CAS DataBase List > L(+)-allo-Threonine

L(+)-allo-Threonine

Product Name
L(+)-allo-Threonine
CAS No.
28954-12-3
Chemical Name
L(+)-allo-Threonine
Synonyms
Allo-Thr-OH;H-ALLO-THR-O;H-ALLO-THR-OH;L-allo-Thr-OH;l-allothreonin;ALLO-THREONINE;H-L-ALLO-THR-OH;L-ALLO-THREONINE;allo-l-threonine;H-ALLO-THR(BUT)-OH
CBNumber
CB8691943
Molecular Formula
C4H9NO3
Formula Weight
119.12
MOL File
28954-12-3.mol
More
Less

L(+)-allo-Threonine Property

Melting point:
272 °C (dec.)(lit.)
alpha 
9 º (c=2, H2O)
Boiling point:
222.38°C (rough estimate)
Density 
1.3126 (rough estimate)
refractive index 
10 ° (C=5, H2O)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Water (Slightly)
pka
pK1: 2.108(+1);pK2: 9.096(0) (25°C)
form 
Crystalline Powder
color 
White to off-white
optical activity
[α]23/D +9.0°, c = 2 in H2O
BRN 
1721645
CAS DataBase Reference
28954-12-3(CAS DataBase Reference)
More
Less

Safety

Safety Statements 
24/25
WGK Germany 
3
RTECS 
BA4055000
HS Code 
29225090
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
210269
Product name
L-allo-Threonine
Purity
99%
Packaging
250MG
Price
$404
Updated
2023/01/07
TCI Chemical
Product number
A1519
Product name
L-Allothreonine
Purity
>99.0%(HPLC)
Packaging
1g
Price
$455
Updated
2024/03/01
TCI Chemical
Product number
A1519
Product name
L-Allothreonine
Purity
>99.0%(HPLC)
Packaging
100mg
Price
$125
Updated
2024/03/01
Alfa Aesar
Product number
H27301
Product name
L-allo-Threonine, 99%
Packaging
250mg
Price
$197
Updated
2021/12/16
Alfa Aesar
Product number
H27301
Product name
L-allo-Threonine, 99%
Packaging
1g
Price
$518
Updated
2021/12/16
More
Less

L(+)-allo-Threonine Chemical Properties,Usage,Production

Chemical Properties

white to off-white crystalline powder

Uses

L-allo-Threonine is a reactant used in the synthesis of an antibiotic, globomycin, and its congener, SF-1902 A5.

Definition

ChEBI: L-allothreonine is the L-enantiomer of allothreonine. It has a role as an Escherichia coli metabolite and a Saccharomyces cerevisiae metabolite. It is an allothreonine and a L-alpha-amino acid. It is an enantiomer of a D-allothreonine. It is a tautomer of a L-allothreonine zwitterion.

L(+)-allo-Threonine Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

L(+)-allo-Threonine Suppliers

Americas 1 Belgium 1 Canada 1 China 202 Europe 1 Germany 4 India 3 Japan 5 South Korea 1 Switzerland 1 United Kingdom 8 United States 33 Global 261
Shanxi Bethlehem Pharm-Tech Co.,Ltd.
Tel
19135651206 19135651206
Email
243332738@qq.com
Country
China
ProdList
895
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169097
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Jia Xing Isenchem Co.,Ltd
Tel
0573-85285100 18627885956
Fax
0573-85285100
Email
isenchem@163.com
Country
China
ProdList
9551
Advantage
66
Accela ChemBio Co.,Ltd.
Tel
021-50795510 4000665055
Fax
021-50795055
Email
sales@accelachem.com
Country
China
ProdList
11660
Advantage
64
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
More
Less

View Lastest Price from L(+)-allo-Threonine manufacturers

Sichuan HongRi Pharma-Tech Co.,Ltd
Product
H-L-allo-Thr-OH 28954-12-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1T
Release date
2023-09-25
WUHAN FORTUNA CHEMICAL CO., LTD
Product
L-Allothreonine 28954-12-3
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
98%min
Supply Ability
1000kg
Release date
2021-08-28
Hebei Mojin Biotechnology Co., Ltd
Product
L(+)-allo-Threonine 28954-12-3
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-10-13

28954-12-3, L(+)-allo-ThreonineRelated Search:

4-Aminobutyric acid ALTRENOGEST L-Threonine DL-4-Amino-3-hydroxybutyric acid 3-Hydroxybutyric acid Glycine L-Alanine H-PHG-OME HCL (S)-(+)-2-Amino-3-hydroxy-3-methylbutanoic acid POLYOXIN B (2S,3S)-2-Amino-3-methoxybutanoic acid TRANS-3-HYDROXY-L-PROLINE MYRIOCIN (2S,3S)-(2S,3R)-2-AMINO-3-HYDROXY-4-METHYLPENTANOIC ACID (2R,3R)-(-)-ALLO-THREONINE,D(-)-ALLO-THREONINE,D-ALLO-THREONINE DL-ALLO-THREONINE FMOC-ALLO-THR(TBU)-OH H-ALLO-THR(TBU)-OH,ALLO-THREONINE(TBU)-OH,O-T-BUTYL-L-ALLO-THREONINE

  • l-allothreonin
  • O-T-BUTYL-L-ALLO-THREONINE
  • H-ALLO-THR(BUT)-OH
  • H-ALLO-THR-O
  • H-ALLO-THR-OH
  • H-ALLO-THR(TBU)-OH
  • H-L-ALLO-THR-OH
  • L(+)-ALLO-THREONINE
  • L-ALLO-THREONINE
  • (2S 3S)-(+)-2-AMINO-3-HYDROXYBUTYRIC ACID
  • (2S,3S)-2-AMINO-3-HYDROXYBUTYRIC ACID
  • (2S,3S)-(+)-ALLO-THREONINE
  • ALLO-THREONINE(TBU)-OH
  • ALLO-THREONINE
  • H-allo-Thr-OH(L-Allo-Threonine)
  • Allo-Thr-OH
  • (2S 3S)-(+)-2-AMINO-3-HYDROXYBUTYRIC ACID 99%
  • H-L-allo-Thr(tBu)-OH
  • O-t-Butyl-allo-L-threonine
  • (2S,3S)-3-Hydroxy-2-aminobutanoic acid
  • L(+)-allo-Threonine,99%
  • (2S,3S)-2-Amino-3-hydroxybutyric acid, H-L-allo-Thr-OH
  • L-allo-Thr-OH
  • allo-l-threonine
  • L(+)-allo-Threonine/C4H9NO3
  • L-Allothreonine&gt
  • L(+)-allo-Threonine USP/EP/BP
  • L-Allothreonine (9CI, ACI)
  • 28954-12-3
  • Unnatural Amino Acid Derivatives
  • Threonine Derivatives
  • Specialty Synthesis
  • Peptide Synthesis
  • amino acid derivative
  • Threonine [Thr, T]
  • Amino Acids