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Sigma-Aldrich

2-Hydroxy-4-(methylthio)butyric acid calcium salt

≥99.0% (NT)

Synonym(s):

Calcium 2-hydroxy-4-(methylthio)butyrate

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About This Item

Linear Formula:
[CH3SCH2CH2CH(OH)COO]2Ca
CAS Number:
Molecular Weight:
338.45
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.0% (NT)

form

solid

storage temp.

2-8°C

SMILES string

CSCCC(O)C(=O)O[Ca]OC(=O)C(O)CCSC

InChI

1S/2C5H10O3S.Ca/c2*1-9-3-2-4(6)5(7)8;/h2*4,6H,2-3H2,1H3,(H,7,8);/q;;+2/p-2

InChI key

ABRVDWASZFDIEH-UHFFFAOYSA-L

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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R S Ordway et al.
Journal of dairy science, 92(10), 5154-5166 (2009-09-19)
Eighteen primiparous and 42 multiparous Holstein cows were blocked according to parity and expected calving date and assigned randomly to 1 of 3 dietary treatments: 1) a basal diet (negative control), 2) the basal diet plus 2-hydroxy-4-methylthio butanoic acid isopropyl
R Martín-Venegas et al.
Poultry science, 87(7), 1392-1394 (2008-06-26)
Methionine hydroxy analogue DL-2-hydroxy-(4-methylthio)butanoic acid (HMTBA) is commonly used as a supplemental source of Met in commercial animal diets. To better understand the uptake of this analogue by the chicken intestine, the aim of the present study was to assess
Zhengfeng Fang et al.
The British journal of nutrition, 103(5), 643-651 (2010-01-13)
The present study was conducted in a one-factorial arrangement to determine the effects of dl-2-hydroxy-4-methylthiobutyrate (dl-HMTB) on the first-pass intestinal metabolism of dietary methionine and its extra-intestinal availability. Barrows (n 6; aged 35 d; weight 8.6 kg), implanted with arterial
C Kaewtapee et al.
Journal of animal physiology and animal nutrition, 94(3), 395-404 (2009-08-12)
This study was conducted to evaluate the effect of adding liquid DL-methionine hydroxy analogue free acid (LMA) to drinking water on growth performance, small intestinal morphology and volatile fatty acids in the caecum of nursery pigs. Twenty-four crossbred pigs (Large
H Lapierre et al.
Journal of dairy science, 94(3), 1526-1535 (2011-02-23)
The objectives of the current study were to determine the fate and contribution to Met kinetics of 2-hydroxy-4-(methylthio)butanoate (HMTBA) at the whole-body, splanchnic, and mammary levels. Four multicatheterized cows (31.3 kg of milk/d; 17.7 kg of DMI/d) were used in

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