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54925

Sigma-Aldrich

(S)-3-Hydroxybutyric acid

≥97.0%

Synonym(s):

(+)-3-Hydroxy-n-butyric acid, (3S)-3-Hydroxybutanoic acid, (S)-β-Hydroxybutanoic acid, (S)-(+)-β-Hydroxybutyric acid, L-β-Hydroxybutyric acid

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About This Item

Empirical Formula (Hill Notation):
C4H8O3
CAS Number:
Molecular Weight:
104.10
Beilstein:
1720567
EC Number:
MDL number:
UNSPSC Code:
51113400
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0%

form

powder or crystals

optical activity

[α]20/D +25±1°, c = 6% in H2O

mp

45-50 °C

functional group

carboxylic acid
hydroxyl

storage temp.

2-8°C

SMILES string

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

InChI

1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)/t3-/m0/s1

InChI key

WHBMMWSBFZVSSR-VKHMYHEASA-N

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Application

(S)-3-Hydroxybutyric acid can be used as a reagent in the synthesis of:
  • S-(2-acetamidoethyl) (S)-3-hydroxybutanethioate by reacting with acetylcysteamine in the presence of coupling reagent.
  • 3-hydroxy-N-(4-methoxyphenyl)-(3S)-butanamide by treating with 4-methoxyaniline in the presence of acid-amine coupling reagent.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Lisa A Paige et al.
International journal of geriatric psychiatry, 22(5), 418-423 (2006-10-19)
Metabolomics, the global science of biochemistry, is an emerging field that enables detection and quantification of small molecules involved in metabolic and signaling pathways. Metabolic signatures for disease and its treatment could provide valuable biomarkers and insights about disease mechanisms.
A Eichler et al.
Der Anaesthesist, 48(11), 813-816 (2000-01-13)
Preoperative starvation in order to prevent pulmonary aspiration is mandatory in elective pediatric surgery. Hypoglycemia, thirst and unwellness have been reported as undesired side effects. The metabolic response towards decreasing blood-glucose concentrations in fasting children includes gluconeogenesis and production of
H A Byrne et al.
Diabetes care, 23(4), 500-503 (2000-06-17)
To evaluate the performance of a hand-held ketone sensor that is able to measure blood beta-hydroxybutyrate (beta-HBA) concentrations within 30 s in patients with diabetic ketoacidosis (DKA) and patients who attend a weight management clinic. Two groups of patients were
U M Nadgir et al.
Endocrine research, 27(1-2), 41-46 (2001-06-29)
We quantitated serial serum beta-hydroxybutyrate (beta-OHB) levels using the Ketosite method in 9 children with IDDM who were treated for diabetic ketoacidosis (DKA) and compared them to urinary ketone measurements by dipstick. Persistent elevations of serum beta-OHB were seen in
E Fernqvist-Forbes et al.
Diabetes care, 14(11), 1006-1012 (1991-11-01)
To study the effects of mental stress on the absorption kinetics of insulin and on glucose homeostasis and lipolysis in insulin-dependent diabetes mellitus (IDDM). Nine IDDM patients were exposed to the Stroop color word conflict test (CWT) during 40 min

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