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Catalog No. BCC6600
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Quality Control of (S)-4-Carboxy-3-hydroxyphenylglycine

Chemical structure


Biological Activity of (S)-4-Carboxy-3-hydroxyphenylglycine

Competitive antagonist at group I mGlu1a/1a receptors, mixed effect at mGlu5a/5b receptors; agonist at group II metabotropic glutamate receptors. (RS)-4-Carboxy-3-hydroxyphenylglycine also available.

(S)-4-Carboxy-3-hydroxyphenylglycine Dilution Calculator

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Chemical Properties of (S)-4-Carboxy-3-hydroxyphenylglycine

Cas No. 85148-82-9 SDF Download SDF
Synonyms (S)-4C3HPG
Chemical Name 4-[(S)-amino(carboxy)methyl]-2-hydroxybenzoic acid
Standard InChI InChI=1S/C9H9NO5/c10-7(9(14)15)4-1-2-5(8(12)13)6(11)3-4/h1-3,7,11H,10H2,(H,12,13)(H,14,15)/t7-/m0/s1
Formula C9H9NO5 M.Wt 211.17
Solubility Soluble to 100 mM in 1eq. NaOH and to 5 mM in water
Storage Store at RT
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other courier with RT , or blue ice upon request.

Preparing Stock Solutions of (S)-4-Carboxy-3-hydroxyphenylglycine

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 4.7355 mL 23.6776 mL 47.3552 mL 94.7104 mL 118.388 mL
5 mM 0.9471 mL 4.7355 mL 9.471 mL 18.9421 mL 23.6776 mL
10 mM 0.4736 mL 2.3678 mL 4.7355 mL 9.471 mL 11.8388 mL
50 mM 0.0947 mL 0.4736 mL 0.9471 mL 1.8942 mL 2.3678 mL
100 mM 0.0474 mL 0.2368 mL 0.4736 mL 0.9471 mL 1.1839 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

References on (S)-4-Carboxy-3-hydroxyphenylglycine

(S)-4-carboxy-3-hydroxyphenylglycine activates phosphatidyl inositol linked metabotropic glutamate receptors in different brain regions of the neonatal rat.[Pubmed: 9460705]

In the present investigation, effects of several agonists and antagonists of metabotropic glutamate receptors (mGluRs) which are coupled to phosphatidyl inositol (PI) hydrolysis were evaluated in slices of neonatal rat hippocampus, striatum, cortex and cerebellum. The rank order of potency of agonists in the PI hydrolysis assay was identical in all brain regions: quisqualic acid (Quis) > (RS)-3,5-dihydroxyphenylglycine (3,5-DHPG) > 1S, 3R-aminocyclopentane dicarboxylic acid (1S,3R-ACPD) >> L-glutamate (Glu). All agonists were equiefficacious in the four brain regions tested. The responses to 3,5-DHPG, a highly selective Class I mGluR agonist, were attenuated by (S)-4-carboxyphenylglycine ((S)-4CPG), (+)-alpha-methyl-4-carboxyphenylglycine ((+)-MCPG) and 1-aminoindan-1,5-dicarboxylic acid (UPF-523) with a rank order of potency of (+)-MCPG > or = (S)-4CPG > or = UPF-523 in the different brain regions. These results suggest little selectivity among these putative mGluR antagonists in the different brain regions studied. Interestingly, (S)-4-carboxy-3-hydroxyphenylglycine ((S)-4C3HPG), a compound reported to act as antagonist at Class I mGluRs, produced concentration-dependent increases in PI hydrolysis in all four brain regions suggesting that (S)-4C3HPG acts as an agonist. In striatum, hippocampus and cortex, (S)-4C3HPG was equiefficacious to Quis, 3,5-DHPG, 1S,3R-ACPD and Glu. However, in the cerebellum, (S)-4C3HPG displayed weak agonist activity (37% of that of a maximally effective concentration of Quis). The effects of (S)-4C3HPG in the PI hydrolysis assay appeared to be mediated by the activation of an mGluR subtype since it was significantly blocked by (S)-4CPG, an mGluR antagonist. In addition, the agonistic effects of (S)-4C3HPG appear to be unrelated to inhibition of [3H]-Glu uptake into rat hippocampal or cerebellar synaptosomes. These results demonstrate a unique pharmacological profile of (S)-4C3HPG which can be interpreted as (S)-4C3HPG being a highly selective mGluR5 agonist or alternatively, that the effects of (S)-4C3HPG may be mediated through a novel Class I mGluR subtype(s), yet to be identified.

Metabotropic receptors in excitotoxicity: (S)-4-carboxy-3-hydroxyphenylglycine ((S)-4C3HPG) protects against rat striatal quinolinic acid lesions.[Pubmed: 8787843]

Striatal quinolinate lesions mimic many of the neuropathological characteristics of Huntington's disease. This excitotoxicity is mediated by combined activity of N-methyl-D-aspartate and metabotropic glutamate receptors (mGluRs). Using recently developed phenylglycine derivatives, (S)-4-carboxy-3-hydroxyphenylglycine ((S)-4C3HPG) and (+)-alpha-methyl-4-carboxyphenylglycine ((+)-MCPG), we investigated the role of the different sub-classes of mGluRs in the in vivo excitotoxic process. (S)-4C3HPG (500 and 1000 nmol), co-injected with quinolinic acid, significantly reduced lesion volumes by 52 and 89%, respectively, whereas the same doses of (+)-MCPG had no effect on lesion size. The differential actions of these two drugs at Group 1 and Group 2 metabotropic receptors may explain their differential effects. These observations confirm the important role of mGluRs in excitotoxicity and identify them as promising targets for intervention.

(S)-4-carboxy-3-hydroxyphenylglycine, an antagonist of metabotropic glutamate receptor (mGluR) 1a and an agonist of mGluR2, protects against audiogenic seizures in DBA/2 mice.[Pubmed: 8189254]

The in vivo anticonvulsant effects and in vitro metabotropic glutamate receptor selectivity of (S)-4-carboxy-3-hydroxy-phenylglycine [(S)-4C3HPG] were examined. Intracerebroventricular injection of (S)-4C3HPG dose-dependently antagonized audiogenic-induced clonic and tonic convulsions in DBA/2 mice with ED50 values of 76 and 110-nmol per mouse, respectively. (S)-4C3HPG dose-dependently inhibited the spontaneously evoked epileptic spikes in a cingulate cortex-corpus callosum slice preparation. (S)-4C3HPG displaced the binding of [3H]glutamate in membranes prepared from baby hamster kidney (BHK) cells expressing the metabotropic glutamate receptor mGluR1a with an EC50 of 5 +/- 1 microM. (S)-4C3HPG dose-dependently antagonized glutamate-stimulated phosphoinositide hydrolysis in BHK cells expressing mGluR1a with an IC50 of 15 +/- 3 microM. (S)-4C3HPG was, however, an agonist at mGluR2 with an EC50 of 21 +/- 4 microM for inhibition of forskolin-stimulated cyclic AMP formation in BHK cells expressing the mGluR2. (S)-4C3HPG had no effects at mGluR4a. These data suggest that the anticonvulsant action of (S)-4C3HPG is mediated by combined antagonism of mGluR1a and agonism of mGluR2. These results suggest the importance of mGluR1a and/or mGluR2 in the control of epileptic activity.


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