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

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
Molecular Weight:
119.12
MDL Number:
MFCD00064268
MOL File:
28954-12-3.mol
MSDS File:
SDS
Last updated:2023-10-13 18:16:27

L(+)-allo-Threonine Properties

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)
FDA UNII HCQ253CKVK

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330
Safety Statements  24/25
WGK Germany  3
RTECS  BA4055000
HS Code  29225090
NFPA 704
1
0 0

L(+)-allo-Threonine price More Price(48)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 210269 L-allo-Threonine 99% 28954-12-3 250MG $404 2023-01-07 Buy
TCI Chemical A1519 L-Allothreonine >99.0%(HPLC) 28954-12-3 1g $455 2024-03-01 Buy
TCI Chemical A1519 L-Allothreonine >99.0%(HPLC) 28954-12-3 100mg $125 2024-03-01 Buy
Alfa Aesar H27301 L-allo-Threonine, 99% 28954-12-3 250mg $197 2021-12-16 Buy
Alfa Aesar H27301 L-allo-Threonine, 99% 28954-12-3 1g $518 2021-12-16 Buy
Product number Packaging Price Buy
210269 250MG $404 Buy
A1519 1g $455 Buy
A1519 100mg $125 Buy
H27301 250mg $197 Buy
H27301 1g $518 Buy

L(+)-allo-Threonine Chemical Properties,Uses,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

Global( 256)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Mojin Biotechnology Co., Ltd
+8613288715578 sales@hbmojin.com China 12456 58
Sichuan HongRi Pharma-Tech Co.,Ltd
+86-028-64841719 +8618980456393 daisy@enlaibio.com China 1369 58
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 15928 58
Taizhou Tianhong Biochemistry Technology Co., Ltd.
0523-86132544 sales@thbiochem.com CHINA 305 60
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 32480 60
GenicBio Limited
+86-21-37621270 service@genicbio.com CHINA 991 58
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Accela ChemBio Inc.
(+1)-858-699-3322 info@accelachem.com United States 19965 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
H-L-allo-Thr-OH pictures 2024-04-25 H-L-allo-Thr-OH
28954-12-3
US $0.00-0.00 / kg 1kg 99% 1T Sichuan HongRi Pharma-Tech Co.,Ltd
L(+)-allo-Threonine pictures 2023-10-14 L(+)-allo-Threonine
28954-12-3
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mojin Biotechnology Co., Ltd
L(+)-allo-Threonine pictures 2023-09-06 L(+)-allo-Threonine
28954-12-3
US $30.00-10.00 / KG 50KG 99% 500000kg Hebei Guanlang Biotechnology Co., Ltd.
  • H-L-allo-Thr-OH pictures
  • H-L-allo-Thr-OH
    28954-12-3
  • US $0.00-0.00 / kg
  • 99%
  • Sichuan HongRi Pharma-Tech Co.,Ltd
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> 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