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Allothreonine

Allothreonine structure

CAS No:
144-98-9
Formula:
C4H9NO3
Chemical Name:
Allothreonine
Synonyms:
Allothreonine;Allothreonine,DL-;DL-allo-Threonine;DL-Allothreonine;Threonine,allo-;Butanoic acid,2-amino-3-allo-hydroxy-;allo-Threonine;NSC 41828;2676-21-3
Categories:
Biochemical Engineering > Amino Acids and Derivatives

Description

white powder

Solid

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.

Allothreonine Basic Attributes

Molecular Weight：

119.12

Exact Mass：

119.12

EC Number：

205-645-3

UNII：

HCQ253CKVK

DSSTox ID：

DTXSID10183151

HScode：

29225000

Characteristics

PSA：

83.55000

XLogP3：

-1.23

Appearance：

White crystalline powder; slight savoury aroma

Density：

1.3126 (rough estimate)

Melting Point：

245-248 °C

Boiling Point：

222.38°C (rough estimate)

Flash Point：

162.9±25.1 °C

Refractive Index：

1.4183 (estimate)

Water Solubility：

almost transparency

Storage Conditions：

Store at RT.

Collision Cross Section：

119.3 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|119.7 Å² [M-H]-

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

safety instructions：

24/25

GHS Classification：

|Warning|H302 (94.74%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 19 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Computed Properties

Molecular Weight:119.12
XLogP3:-2.9
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:119.058243149
Monoisotopic Mass:119.058243149
Topological Polar Surface Area:83.6
Heavy Atom Count:8
Complexity:93.3
Defined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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China Most Professional Factory Supply High Qulity DL-Allothreonine CAS 144-98-9

CAS No.: 144-98-9

Grade: Pharmaceutical Grade

Content: 99%

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Guide of Allothreonine

Description
Basic Attributes
Characteristics
Safety Information
Computed Properties
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