Date published: 2026-3-19

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Lamotrigine (CAS 84057-84-1)

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Alternate Names:
Lamictal; Epilepax; LTG; BW 430C
Application:
Lamotrigine is a sodium channel protein inhibitor
CAS Number:
84057-84-1
Purity:
≥98%
Molecular Weight:
256.09
Molecular Formula:
C9H7Cl2N5
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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Lamotrigine is a phenyltriazine sodium channel protein inhibitor of presynaptic neurons. Studies indicate that Lamotrigine blocked sustained repetitive firing of neurons in a dose dependent manner in cultured mouse spinal cords. These studies indicate that Lamotrigine is effective at suppressing the release of glutamate and aspartate, but have no effect on acetylcholine and GABA release. Lamotrigine is inactivated by liver microsomes, via hepatic glucuronidation. It is believed that Lamotrigine modulates the fast voltage-dependent sodium currents in a manner similar to phenytoin and carbamazepine (sc-202518). Futhermore, Lamotrigine displays a small frequency dependent inhibition of depolarized potentials that result from sodium currents. Lamotrigine is an inhibitor of Serotonin.


Lamotrigine (CAS 84057-84-1) References

  1. The anticonvulsant, lamotrigine decreases spontaneous glutamate release but increases spontaneous GABA release in the rat entorhinal cortex in vitro.  |  Cunningham, MO. and Jones, RS. 2000. Neuropharmacology. 39: 2139-46. PMID: 10963757
  2. A novel drug binding site on voltage-gated sodium channels in rat brain.  |  Riddall, DR., et al. 2006. Mol Pharmacol. 69: 278-87. PMID: 16219909
  3. Lamotrigine and its applications in the treatment of epilepsy and other neurological and psychiatric disorders.  |  Malik, S., et al. 2006. Expert Rev Neurother. 6: 1609-27. PMID: 17144777
  4. Lamotrigine is neuroprotective in the energy deficiency model of MPTP intoxicated mice.  |  Lagrue, E., et al. 2007. Pediatr Res. 62: 14-9. PMID: 17515828
  5. Neuroprotection by lamotrigine in a rat model of neonatal hypoxic-ischaemic encephalopathy.  |  Papazisis, G., et al. 2008. Int J Neuropsychopharmacol. 11: 321-9. PMID: 17897482
  6. [Optimisation of a high-efficiency liquid chromatography technique for measuring lamotrigine in human plasma].  |  Rivas, N., et al. 2010. Farm Hosp. 34: 85-9. PMID: 20304367
  7. Modulation of the powder properties of lamotrigine by crystal forms.  |  Kavanagh, ON., et al. 2021. Int J Pharm. 595: 120274. PMID: 33486026
  8. The Anticonvulsant Lamotrigine Reduces Bout-Like Alcohol Drinking in Rats.  |  Poceviciute, I., et al. 2022. Alcohol Alcohol. 57: 242-245. PMID: 34718391
  9. Lamotrigine and retigabine increase motor threshold in transcranial magnetic stimulation at the dose required to produce an antiepileptic effect against maximal electroshock-induced seizure in rats.  |  Hotta, N., et al. 2022. Neurosci Lett. 771: 136460. PMID: 35051437
  10. Acute effects of lamotrigine (BW430C) in persons with epilepsy.  |  Binnie, CD., et al. 1986. Epilepsia. 27: 248-54. PMID: 3698937
  11. Pharmacological studies on lamotrigine, a novel potential antiepileptic drug: I. Anticonvulsant profile in mice and rats.  |  Miller, AA., et al. 1986. Epilepsia. 27: 483-9. PMID: 3757935
  12. Pharmacological studies on lamotrigine, a novel potential antiepileptic drug: II. Neurochemical studies on the mechanism of action.  |  Leach, MJ., et al. 1986. Epilepsia. 27: 490-7. PMID: 3757936
  13. Lamotrigine (BW430C), a potential anticonvulsant. Effects on the central nervous system in comparison with phenytoin and diazepam.  |  Cohen, AF., et al. 1985. Br J Clin Pharmacol. 20: 619-29. PMID: 4091994

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Lamotrigine, 10 mg

sc-201079
10 mg
$120.00

Lamotrigine, 50 mg

sc-201079A
50 mg
$486.00