MilliporeSigma
All Photos(3)

Documents

K1750

Sigma-Aldrich

α-Ketoglutaric acid

≥98.5% (NaOH, titration)

Sign Into View Organizational & Contract Pricing

Synonym(s):
2-Oxoglutaric acid, 2-Oxopentanedioic acid
Linear Formula:
HOOCCH2CH2COCOOH
CAS Number:
Molecular Weight:
146.10
Beilstein:
1705689
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.32

Quality Level

Assay

≥98.5% (NaOH, titration)

form

powder

solubility

water: 100 mg/mL, clear to slightly hazy, colorless to faintly yellow

storage temp.

2-8°C

SMILES string

OC(=O)CCC(=O)C(O)=O

InChI

1S/C5H6O5/c6-3(5(9)10)1-2-4(7)8/h1-2H2,(H,7,8)(H,9,10)

InChI key

KPGXRSRHYNQIFN-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
75890K112861234
α-Ketoglutaric acid ≥98.5% (NaOH, titration)

Sigma-Aldrich

K1750

α-Ketoglutaric acid

α-Ketoglutaric acid 99.0-101.0% (T)

Sigma-Aldrich

75890

α-Ketoglutaric acid

α-Ketoglutaric acid BioReagent, suitable for cell culture, suitable for insect cell culture

Sigma-Aldrich

K1128

α-Ketoglutaric acid

α-Ketoglutaric acid analytical standard

Supelco

61234

α-Ketoglutaric acid

form

powder

form

crystals

form

powder or crystals

form

-

solubility

water: 100 mg/mL, clear to slightly hazy, colorless to faintly yellow

solubility

H2O: 1 g/10 mL, clear to slightly hazy, colorless to almost colorless

solubility

water: 100 mg/mL, clear to slightly hazy, colorless to almost colorless

solubility

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

200

Quality Level

300

Quality Level

200

Quality Level

-

General description

α-Ketoglutaric acid (α-KG) is produced in the tricarboxylic acid cycle.

Application

α-Ketoglutaric acid (α-KG) has been used:
  • to study its effects on swine fecal microflora in an in vitro fermentation system
  • to study its effects on the activation of CD8+ T-cells
  • as a substrate in glutamate oxaloacetate transaminase (GOT2) mitochondrial lysate assay

Biochem/physiol Actions

α-Ketoglutaric acid (α-KG) has a wide range of applications in the animal feed, food, pharmaceutical and fine chemistry industries.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

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

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

Long Liu et al.
Journal of biotechnology, 164(1), 97-104 (2013-01-22)
Currently, α-ketoglutaric acid (α-KG) is industrially produced by multi-step chemical synthesis, which can cause heavy environmental pollution. Here we reported a simple one-step approach for the production of α-KG by transforming l-glutamic acid with an engineered l-amino acid deaminase (l-AAD)
G Biagi et al.
Journal of animal science, 85(5), 1184-1191 (2007-02-14)
Adding organic acids to piglet diets is known to be helpful in overcoming postweaning syndrome, and butyric acid is known to be the main energy source for the epithelial cells of the large intestine and the terminal ileum. This study
J Kitaura et al.
European journal of pediatrics, 158(5), 410-413 (1999-05-20)
Two cases of hyperinsulinaemic hypoglycaemia associated with persistent hyperammonaemia in unrelated infants of 7 days and 4 months of age are reported. Blood ammonia levels were 100-300 micromol/l (normal values <40 micromol/l). The hyperammonaemia was asymptomatic and not associated with
F Rocchiccioli et al.
Biomedical mass spectrometry, 11(1), 24-28 (1984-01-01)
Quantification of 2-ketoglutaric acid in plasma and cerebrospinal fluid as its O-trimethylsilyl++-quinoxalinol derivative by gas chromatography chemical ionization mass spectrometry is described with benzoylformic acid as internal standard. This technique, with ammonia as reactant gas, only detects the protonated molecular
Victoria I Bunik et al.
International journal of molecular sciences, 21(11) (2020-05-30)
Genetic up-regulation of mitochondrial 2-oxoglutarate dehydrogenase is known to increase reactive oxygen species, being detrimental for cancer cells. Thiamine diphosphate (ThDP, cocarboxylase) is an essential activator of the enzyme and inhibits p53-DNA binding in cancer cells. We hypothesize that the

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