General Information
Drug ID
DR01241
Drug Name
Milchsaure
Synonyms
(+/-)-Lactic acid; 1-Hydroxyethanecarboxylic acid; 2-hydroxypropanoic acid; 2-hydroxypropionic acid; 26100-51-6; Acidum lacticum; Aethylidenmilchsaeure; DL-Lactic acid; DL-Milchsaeure; Ethylidenelactic acid; Kyselina 2-hydroxypropanova; Kyselina mlecna; Lactic acid; Lactic acid (natural); Lactic acid USP; Lacticum acidum; Lactovagan; Milchsaeure; Milchsaure; Milchsaure [German]; Milk acid; Ordinary lactic acid; Polylactic acid; Propanoic acid, 2-hydroxy-; Racemic lactic acid; Tonsillosan; alpha-Hydroxypropionic acid; lactate; lactic acid
Drug Type
Small molecular drug
Indication Metabolic acidosis [ICD11: 5C73] Preclinical [1]
Cardiotonic [ICD11: XM91S1] Preclinical [1]
Structure
3D MOL 2D MOL
Formula
C3H6O3
Canonical SMILES
CC(C(=O)O)O
InChI
InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
InChIKey
JVTAAEKCZFNVCJ-UHFFFAOYSA-N
CAS Number
CAS 50-21-5
Pharmaceutical Properties Molecular Weight 90.08 Topological Polar Surface Area 57.5
Heavy Atom Count 6 Rotatable Bond Count 1
Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 3
XLogP
-0.7
PubChem CID
612
ChEBI ID
CHEBI:78320
DT(s) Transporting This Drug MCT1 Transporter Info Monocarboxylate transporter 1 Substrate [2]
MCT2 Transporter Info Monocarboxylate transporter 2 Substrate [3]
MCT4 Transporter Info Monocarboxylate transporter 4 Substrate [4]
Drug-Transporter Activity Data
Drug-Transporter Activity Data MCT1 Transporter Info Km = 4 microM Xenopus laevis oocytes-MCT1 [2]
MCT2 Transporter Info Km = 6.5 microM Oocytes-MCT2 [5]
MCT4 Transporter Info Km = 28 microM Oocytes-MCT4 [6]
References
1 Milchsaure was approved by FDA. The official website of the U.S. Food and Drug Administration. (2019)
2 Distribution of monocarboxylate transporters MCT1-MCT8 in rat tissues and human skeletal muscle. Appl Physiol Nutr Metab. 2006 Feb;31(1):31-9.
3 Characterization of the high-affinity monocarboxylate transporter MCT2 in Xenopus laevis oocytes. Biochem J. 1999 Aug 1;341 ( Pt 3):529-35.
4 The low-affinity monocarboxylate transporter MCT4 is adapted to the export of lactate in highly glycolytic cells. Biochem J. 2000 Aug 15;350 Pt 1:219-27.
5 Human monocarboxylate transporter 2 (MCT2) is a high affinity pyruvate transporter. J Biol Chem. 1998 Oct 30;273(44):28959-65.
6 Characterisation of human monocarboxylate transporter 4 substantiates its role in lactic acid efflux from skeletal muscle. J Physiol. 2000 Dec 1;529 Pt 2:285-93.

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