Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

G013

Sigma-Aldrich

R(+)-Baclofen hydrochloride

solid

Synonym(s):

Arbaclofen hydrochloride, R(+)-β-(Aminomethyl)-4-chlorobenzenepropanoic acid hydrochloride, STX209

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C10H12ClNO2 · HCl
CAS Number:
63701-55-3
Molecular Weight:
250.12
MDL number:
MFCD00078579
UNSPSC Code:
12352200
PubChem Substance ID:
24895006
NACRES:
NA.32

form

solid

Quality Level

100

optical activity

[α]28/D +3.8°, c = 0.9 in methanol(lit.)

storage condition

desiccated

color

white

solubility

DMSO: >20 mg/mL
H2O: 26 mg/mL (Solutions may be stored for several weeks at 4 °C.)

SMILES string

Cl[H].NC[C@H](CC(O)=O)c1ccc(Cl)cc1

InChI

1S/C10H12ClNO2.ClH/c11-9-3-1-7(2-4-9)8(6-12)5-10(13)14;/h1-4,8H,5-6,12H2,(H,13,14);1H/t8-;/m0./s1

InChI key

WMNUVYYLMCMHLU-QRPNPIFTSA-N

Gene Information

human ... GABBR1(2550)
mouse ... GABBR1(54393)
rat ... GABBR1(81657)

Application

R(+)-Baclofen hydrochloride has been used as a GABAB receptor agonist to study its effects on M43068-induced antinociception in rat models. It has also been used as a GABAB receptor agonist to study its effects on amphetamine-induced behavior and neurochemical responses in rat striatum.

Biochem/physiol Actions

Baclofen is a derivative of γ-aminobutyric acid (GABA) and acts as a 4-aminobutanoic acid receptor (GABAB) agonist. It interacts stereospecifically with the GABA receptor and exhibits antispastic effects.Baclofen shows therapeutic effects against paroxysmal pain of trigeminal neuralgia and spinal spasticity. R(+)-Baclofen is a more active enantiomer.

Other Notes

Same enantiomer as R(−)-baclofen free base.

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?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Xia Li et al.
Neuropharmacology, 97, 357-364 (2015-05-24)
GABAB (γ-aminobutyric acid B) receptors may be a therapeutic target for anxiety disorders. Here we characterized the effects of the GABAB receptor positive allosteric modulator (PAM) BHF177 on conditioned and unconditioned physiological responses to threat in the light-enhanced startle (LES)
Yuriko Watanabe et al.
European journal of pharmacology, 837, 88-95 (2018-08-08)
The nucleus accumbens contains delta-opioid receptors that may decrease inhibitory neurotransmission. As GABAB receptors inhibit dopamine release, decrease in activation of GABAB receptors may be a mediator of delta-opioid receptor-induced accumbal dopamine efflux. If so, accumbal dopamine efflux induced by
Synthesis of both enantiomers of baclofen using (R)-and (S)-N-phenylpantolactam as chiral auxiliaries
Camps P, et al.
Tetrahedron Asymmetry, 15(13) (2004)
Reagan L Pennock et al.
The Journal of physiology, 592(19), 4247-4256 (2014-08-03)
It has recently been shown that dynorphin A (Dyn A), an endogenous agonist of the κ-opioid receptor (KOR), directly inhibits proopiomelanocortin (POMC) neurons in the hypothalamus through activation of G-protein-coupled inwardly rectifying K(+) channels (GIRKs). This effect has been proposed
Y G Hong et al.
European journal of pharmacology, 196(3), 267-275 (1991-04-24)
In a previous study it was found that i.t. administration of L-baclofen decreased arterial pressure and heart rate while D-baclofen differentially increased arterial pressure. The objective of the present study was to determine which of these effects was blocked by
View All Related Papers

Protocols

Qualitative Thin Layer Chromatography Analysis Ginkgo

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

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