Shanghai Nianxing Industrial Co., Ltd
China
Product Name: H-Allo-Thr-OH
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: H-Allo-Thr-OH
Price: ￥218.0/1g ￥728.0/5g ￥108.0/250mg ￥1218.0/10g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia

Nanjing Peptide Biotech Ltd
China
Product Name: H-Allo-Thr-OH
Price: ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg ￥Inquiry/10kg
Purity: 98.0%
Stocking Period: 7 Day
Contact: jom

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: L(+)-allo-Threonine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

28954-12-3

28954-12-3 structure

28954-12-3 structure

Name: H-Allo-Thr-OH
Chemical Name: L-allothreonine
CAS Number: 28954-12-3
Molecular Formula: C₄H₉NO₃
Molecular Weight: 119.119
Catalog: Biochemical Common amino acids and protein drugs
Create Date: 2018-03-06 08:00:00
Modify Date: 2024-01-02 13:48:25

Name	L-allothreonine
Synonyms	(2S,3S)-2-Amino-3-hydroxybutyric acid Threonine, allo- L(+)-allo-Threonine allo-L-Threonine Allo-Thr-OH L-allo-Threonine MFCD00237373 DL-allo-Threonine H-allo-Thr-OH EINECS 249-327-2 (2S,3S)-2-Amino-3-hydroxybutanoic acid allo-threonine L-Allothreonine

Density	1.3±0.1 g/cm3
Boiling Point	345.8±32.0 °C at 760 mmHg
Melting Point	272ºC (dec.)
Molecular Formula	C₄H₉NO₃
Molecular Weight	119.119
Flash Point	162.9±25.1 °C
Exact Mass	119.058243
PSA	83.55000
LogP	-1.23
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.507
Storage condition	2~8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: BA4055000

CHEMICAL NAME :: Allothreonine, L-

CAS REGISTRY NUMBER :: 28954-12-3

BEILSTEIN REFERENCE NO. :: 1721645

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H9-N-O3

MOLECULAR WEIGHT :: 119.14

WISWESSER LINE NOTATION :: QVYZYQ1 -L,ALLO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5242 mg/kg

TOXIC EFFECTS :: Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease

REFERENCE :: ABBIA4 Archives of Biochemistry and Biophysics. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.31- 1951- Volume(issue)/page/year: 58,253,1955

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	BA4055000
HS Code	2922509090

157458-06-5 structure

157458-06-5

~92%

72-19-5 structure

72-19-5

28954-12-3 structure

28954-12-3

Literature: Pu, Yunlong; Lowe, Christopher; Sailer, Miloslav; Vederas, John C. Journal of Organic Chemistry, 1994 , vol. 59, # 13 p. 3642 - 3655

Precursor 0
DownStream 3
40348-66-1 24621-61-2 203519-24-8

HS Code	2922509090
Summary	2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%