MilliporeSigma
All Photos(1)

Documents

347329

Sigma-Aldrich

Ethyl (R)-(−)-3-hydroxybutyrate

98%

Sign Into View Organizational & Contract Pricing

Linear Formula:
CH3CH(OH)CH2CO2C2H5
CAS Number:
Molecular Weight:
132.16
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

form

liquid

optical activity

[α]20/D −46°, c = 1 in chloroform

optical purity

ee: 99% (GLC)

refractive index

n20/D 1.42 (lit.)

bp

75-76 °C/12 mmHg (lit.)

density

1.017 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C6H12O3/c1-3-9-6(8)4-5(2)7/h5,7H,3-4H2,1-2H3/t5-/m1/s1

InChI key

OMSUIQOIVADKIM-RXMQYKEDSA-N

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
336505460524243159
Ethyl (R)-(−)-3-hydroxybutyrate 98%

347329

Ethyl (R)-(−)-3-hydroxybutyrate

(R)-(−)-1-Cyclohexylethylamine 98%

336505

(R)-(−)-1-Cyclohexylethylamine

Methyl (R)-3-hydroxybutyrate 99%

243159

Methyl (R)-3-hydroxybutyrate

density

1.017 g/mL at 25 °C (lit.)

density

0.866 g/mL at 20 °C (lit.)

density

1.19 g/mL at 25 °C (lit.)

density

1.055 g/mL at 20 °C (lit.)

form

liquid

form

liquid

form

-

form

-

bp

75-76 °C/12 mmHg (lit.)

bp

177-178 °C (lit.)

bp

93-95 °C/5 mmHg (lit.)

bp

56-58 °C/11 mmHg (lit.)

refractive index

n20/D 1.42 (lit.)

refractive index

-

refractive index

n20/D 1.453 (lit.)

refractive index

n20/D 1.421 (lit.)

optical activity

[α]20/D −46°, c = 1 in chloroform

optical activity

[α]20/D −4°, neat, [α]20/D -3.8±0.3°, neat

optical activity

[α]23/D −14°, neat

optical activity

[α]20/D −19.5°, neat

General description

Ethyl (R)-(-)-3-hydroxybutyrate is a chiral building block for the preparation of bioactive compounds used in the pharmaceutical industry. It is formed during the hydrolysis of poly-3-hydroxybutyrate.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

147.2 °F - closed cup

flash_point_c

64 °C - closed cup


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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 5

1 of 5

A two-step enzymatic resolution process for large-scale production of (S)-and (R)-ethyl-3-hydroxybutyrate.
Fishman A, et al.
Biotechnology and Bioengineering, 74(3), 256-263 (2001)
Young-Min Han et al.
Molecular cell, 71(6), 1064-1078 (2018-09-11)
β-hydroxybutyrate (β-HB) elevation during fasting or caloric restriction is believed to induce anti-aging effects and alleviate aging-related neurodegeneration. However, whether β-HB alters the senescence pathway in vascular cells remains unknown. Here we report that β-HB promotes vascular cell quiescence, which
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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service