ChemicalBook--->CAS DataBase List--->144-98-9

144-98-9

144-98-9 Structure

144-98-9 Structure
IdentificationMore
[Name]

allo-DL-Threonine
[CAS]

144-98-9
[Synonyms]

ALLOTHREONINE, DL-
DL-2-AMINO-3-HYDROXYBUTYRIC ACID
DL-ALLO-THREONINE
H-DL-ALLO-THR-OH
allo-DL-threonine
Proteinogene Aminosuren und Stereoisomere D-Formen und ihre Salze mit Gegenionen der WGK 1
DL-Allothreonine (contains Threonine)
[EINECS(EC#)]

205-645-3
[Molecular Formula]

C4H9NO3
[MDL Number]

MFCD00067248
[Molecular Weight]

119.12
[MOL File]

144-98-9.mol
Chemical PropertiesBack Directory
[Appearance]

white powder
[Melting point ]

256 °C
[Boiling point ]

222.38°C (rough estimate)
[density ]

1.3126 (rough estimate)
[refractive index ]

1.4183 (estimate)
[storage temp. ]

Store at RT.
[form ]

powder to crystal
[pka]

2.19±0.10(Predicted)
[color ]

White to Almost white
[Water Solubility ]

almost transparency
[CAS DataBase Reference]

144-98-9(CAS DataBase Reference)
Safety DataBack Directory
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[HS Code ]

29225000
Hazard InformationBack Directory
[Chemical Properties]

white powder
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

allo-DL-Threonine(144-98-9)MS
allo-DL-Threonine(144-98-9)1HNMR
allo-DL-Threonine(144-98-9)IR1
allo-DL-Threonine(144-98-9)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

DL-allo-Threonine, 98%(144-98-9)
[Sigma Aldrich]

144-98-9(sigmaaldrich)
[TCI AMERICA]

DL-Allothreonine  (contains Threonine),>98.0%(T)(144-98-9)
144-98-9 suppliers list
Company Name: SHANGHAI YUANJU BIO-TECH CO., LTD  Gold
Telephone: 62750277 15618798178
Website: http://www.yjbiotech.cn/
Company Name: J & K SCIENTIFIC LTD.  
Telephone: 18210857532 18210857532
Website: https://www.jkchemical.com
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Telephone: 4006356688 18621169109
Website: www.x-labseek.com/
Company Name: TCI (Shanghai) Development Co., Ltd.  
Telephone: 021-67121386
Website: https://www.tcichemicals.com/CN/zh/
Company Name: Energy Chemical  
Telephone: 400-0056266
Website: www.energy-chemical.com
Company Name: Capot Chemical Co., Ltd  
Telephone: +86 (0) 571 85 58 67 18
Website: www.capotchem.com
Company Name: Beijing Ouhe Technology Co., Ltd  
Telephone: 13552068683 13522913783
Website: www.ouhetech.cn/
Company Name: JinYan Chemicals(ShangHai) Co.,Ltd.  
Telephone: 13817811078
Website: www.jingyan-chemical.com
Company Name: Shanghai Hanhong Scientific Co.,Ltd.  
Telephone: 021-54306202 13764082696
Website: https://www.hanhongsci.com
Company Name: Chemsky(shanghai)International Co.,Ltd.  
Telephone: 021-50135380
Website: www.shchemsky.com
Company Name: Shandong Xiya Chemical Co., Ltd  
Telephone: 13355009207 13355009207
Website: http://www.xiyashiji.com
Company Name: Shanghai Sunway Pharmaceutical Technology Co., Ltd  
Telephone: 13761987713
Website: www.sunwaypharm.cn
Company Name: Thermo Fisher Scientific  
Telephone: 800-810-5118
Website: www.thermo.com.cn
Company Name: Beijing HuaMeiHuLiBiological Chemical   
Telephone: 010-56205725
Website: www.huabeibiochem.com
Company Name: Shanghai Aladdin Bio-Chem Technology Co.,LTD  
Telephone: 400-6206333 13167063860
Website: www.aladdin-e.com/
Company Name: Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd.  
Telephone: +86-28-85122536 85324413
Website: www.chemicalbook.com/ShowSupplierProductsList12313/0_EN.htm
Company Name: Guangzhou Isun Pharmaceutical Co., Ltd  
Telephone: 020-39119399 18927568969
Website: http://www.isunpharm.com
Company Name: Chengdu RunZeBenTu Chemical Co., Ltd  
Telephone: 028-88469284 18000562381;
Website: http://www.rzbtsj.com
Tags:144-98-9 Related Product Information
1069-31-4 1927-25-9 4998-57-6 149-87-1 32042-43-6 3374-22-9 33105-81-6 6720-02-1 10318-18-0 6899-04-3 328-39-2 184901-84-6 28954-12-3 72-19-5 80-68-2 625-71-8 24830-94-2 144-98-9