Date published: 2026-4-24

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S(−)-Baclofen hydrochloride (CAS 63701-56-4)

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Alternate Names:
S(−)-β-(Aminomethyl)-4-chlorobenzenepropanoic acid hydrochloride
CAS Number:
63701-56-4
Purity:
≥98%
Molecular Weight:
250.12
Molecular Formula:
C10H12ClNO2•HCl
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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The less active enantiomer of baclofen, which happens to be the same enantiomer as S(+)-baclofen free base.


S(−)-Baclofen hydrochloride (CAS 63701-56-4) References

Falch, et al., Comparative stereostructure-activity studies on GABAA and GABAB receptor sites and GABA uptake using rat brain membrane preparations. J. Neurochem. 47, 898, (1986) Hong, et al., Effects of phaclofen and the enantiomers of baclofen on cardiovascular responses to intrathecal administration of L- and D-baclofen in the rat. Eur. J. Pharmacol. 196, 267, (1991) Witczuk, et al., 3-(p-Chlorophenyl)-4-aminobutanoic acid - resolution into enantiomers and pharmacological activity. Pol. J. Pharmacol. Pharm. 32, 187, (1980) Paredes, et al., Stereospecific actions of baclofen on sociosexual behavior, locomotor activity and motor execution. Psychopharmacology 97, 358, (1989)

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

S(−)-Baclofen hydrochloride, 25 mg

sc-264246
25 mg
$189.00

S(−)-Baclofen hydrochloride, 100 mg

sc-264246A
100 mg
$591.00

S(−)-Baclofen hydrochloride, 500 mg

sc-264246B
500 mg
$2289.00