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243159

Methyl (R)-3-hydroxybutyrate

99%

Synonym(s):

(-)-(3R)-3-Hydroxybutanoic acid methyl ester, (R)-β-Hydroxybutyric acid methyl ester, Methyl (-)-3-hydroxybutanoate, Methyl (-)-3-hydroxybutyrate, Methyl (3R)-hydroxybutanoate

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1 G

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About This Item

Linear Formula:
CH3CH(OH)CH2CO2CH3
CAS Number:
3976-69-0
Molecular Weight:
118.13
UNSPSC Code:
12352108
NACRES:
NA.22
PubChem Substance ID:
24854601
EC Number:
223-610-0
Beilstein/REAXYS Number:
6130687
MDL number:
MFCD00063289
Assay:
99%

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Product Name

Methyl (R)-3-hydroxybutyrate, 99%

InChI key

LDLDJEAVRNAEBW-SCSAIBSYSA-N

InChI

1S/C5H10O3/c1-4(6)3-5(7)8-2/h4,6H,3H2,1-2H3/t4-/m1/s1

SMILES string

COC(=O)C[C@@H](C)O

assay

99%

optical activity

[α]20/D −19.5°, neat

optical purity

ee: 98% (GLC)

refractive index

n20/D 1.421 (lit.)

bp

56-58 °C/11 mmHg (lit.)

density

1.055 g/mL at 20 °C (lit.)

functional group

ester
hydroxyl

storage temp.

2-8°C

Quality Level

100

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Methyl (R)-3-hydroxybutyrate 99%

Sigma-Aldrich

243159

Methyl (R)-3-hydroxybutyrate

Ethyl (R)-(+)-4-bromo-3-hydroxybutyrate technical grade

Sigma-Aldrich

542911

Ethyl (R)-(+)-4-bromo-3-hydroxybutyrate

(R)-(+)-1-Octyn-3-ol 99%

Sigma-Aldrich

399701

(R)-(+)-1-Octyn-3-ol

Ethyl (R)-(−)-mandelate 99%, optical purity ee: 99% (GLC)

Sigma-Aldrich

309982

Ethyl (R)-(−)-mandelate

assay

99%

assay

-

assay

99%

assay

99%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

bp

56-58 °C/11 mmHg (lit.)

bp

94-96 °C/2 mmHg (lit.)

bp

100 °C/20 mmHg (lit.)

bp

103-105 °C/2 mmHg (lit.)

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

density

1.055 g/mL at 20 °C (lit.)

density

1.468 g/mL at 25 °C (lit.)

density

0.864 g/mL at 25 °C (lit.)

density

-

refractive index

n20/D 1.421 (lit.)

refractive index

n20/D 1.476 (lit.)

refractive index

n20/D 1.442 (lit.)

refractive index

-

Application

Methyl (R)-3-hydroxybutyrate may be used in the preparation of (R)-(-)-3-hydroxybutanoic acid[1] and poly-(R)-(-)-3-hydroxybutyrate.[2]
Optically active starting material

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk

WGK 3

Storage Class

10 - Combustible liquids

flash_point_f

163.4 °F - closed cup

flash_point_c

73 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6940
BCCL7314
BCCK7141
BCCJ4136
BCCH5140

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Synthesis of biodegradable polyesters by polycondensation of methyl (R)-3-hydroxybutyrate and methyl (R)-3-hydroxy-valerate.
Kobayashi T, et al.
Makromol. Chem., Rapid Commun., 14(12), 785-790 (1993)
Direct Degradation of the Biopolymer Poly [(R)-3-Hydroxybutyric Acid] to (R)-3-Hydroxybutanoic Acid and its Methyl Ester.
Seebach D, et al.
Organic Syntheses, 39-39 (1992)
Diya Alsafadi et al.
New biotechnology, 34, 47-53 (2016-05-26)
Olive mill wastewater (OMW), a highly polluting waste from the olive oil industry, was utilized as sole carbon source for the production of polyhydroxyalkanoate (PHA) by extremely halophilic Haloferax Mediterranei (H. mediterranei) in a one stage cultivation step. H. mediterranei
Xiao-Hong Chen et al.
PloS one, 9(4), e94543-e94543 (2014-04-18)
A novel carbonyl reductase (AcCR) catalyzing the asymmetric reduction of ketones to enantiopure alcohols with anti-Prelog stereoselectivity was found in Acetobacter sp. CCTCC M209061 and enriched 27.5-fold with an overall yield of 0.4% by purification. The enzyme showed a homotetrameric

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