Lafutidine HCl
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MedKoo CAT#: 598231

CAS#: Unknown (HCl)

Description: Lafutidine is a second generation histamine H2 receptor antagonist having multimodal mechanism of action and used to treat gastrointestinal disorders. It is marketed in Japan and India. Like other H2 receptor antagonists it prevents the secretion of gastric acid. It also activates calcitonin gene related peptide, resulting in the stimulation of nitric oxide (NO) and regulation of gastric mucosal blood flow, increases somatostatin levels also resulting in less gastric acid secretion, causes the stomach lining to generate more mucin, inhibits neutrophil activation thus preventing injury from inflammation, and blocks the attachment of H. pylori to gastric cells.


Chemical Structure

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Lafutidine HCl
CAS# Unknown (HCl)

Theoretical Analysis

MedKoo Cat#: 598231
Name: Lafutidine HCl
CAS#: Unknown (HCl)
Chemical Formula: C22H30ClN3O4S
Exact Mass: 431.1879
Molecular Weight: 468.009
Elemental Analysis: C, 56.46; H, 6.46; Cl, 7.57; N, 8.98; O, 13.67; S, 6.85

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 118288-08-7 (free base)   169899-19-8   206449-93-6    

Synonym: FRG-8813; FRG8813; FRG 8813; Lafutidine HCl; Lafutidine hydrochloride

IUPAC/Chemical Name: (Z)-2-((furan-2-ylmethyl)sulfinyl)-N-(4-((4-(piperidin-1-ylmethyl)pyridin-2-yl)oxy)but-2-en-1-yl)acetamide hydrochloride

InChi Key: KSIJVCSWGMQWNM-PVOKDAACSA-N

InChi Code: InChI=1S/C22H29N3O4S.ClH/c26-21(18-30(27)17-20-7-6-14-28-20)23-9-2-5-13-29-22-15-19(8-10-24-22)16-25-11-3-1-4-12-25;/h2,5-8,10,14-15H,1,3-4,9,11-13,16-18H2,(H,23,26);1H/b5-2-;

SMILES Code: O=C(NC/C=C\COC1=NC=CC(CN2CCCCC2)=C1)CS(CC3=CC=CO3)=O.[H]Cl

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 468.009 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Maity S, Choudhury S, Hazra A, Das AK. Randomized controlled trial of effectiveness of lafutidine versus pantoprazole in uninvestigated dyspepsia. Indian J Pharmacol. 2014 Sep-Oct;46(5):498-502. doi: 10.4103/0253-7613.140580. PubMed PMID: 25298578; PubMed Central PMCID: PMC4175885.

2: Kim EH, Lee YC, Chang YW, Park JJ, Chun HJ, Jung HY, Kim HS, Jeong HY, Seol SY, Han SW, Choi MG, Park SH, Lee OJ, Jung JT, Lee DH, Jung HC, Lee ST, Kim JG, Youn SJ, Kim HY, Lee SW. Efficacy of Lafutidine Versus Famotidine in Patients with Reflux Esophagitis: A Multi-Center, Randomized, Double-Blind, Non-inferiority Phase III Trial. Dig Dis Sci. 2015 Jun;60(6):1724-32. doi: 10.1007/s10620-014-3489-4. Epub 2014 Dec 23. PubMed PMID: 25532503.

3: Takenaka R, Okada H, Kawano S, Komazawa Y, Yoshinaga F, Nagata S, Inoue M, Komatsu H, Onogawa S, Kushiyama Y, Mukai S, Todo H, Okanobu H, Manabe N, Tanaka S, Haruma K, Kinoshita Y. Randomized study of lafutidine vs lansoprazole in patients with mild gastroesophageal reflux disease. World J Gastroenterol. 2016 Jun 21;22(23):5430-5. doi: 10.3748/wjg.v22.i23.5430. PubMed PMID: 27340360; PubMed Central PMCID: PMC4910664.

4: Namikawa T, Munekage E, Maeda H, Kitagawa H, Kobayashi M, Hanazaki K. Feasibility study of supportive care using lafutidine, a histamine H2 receptor antagonist, to prevent gastrointestinal toxicity during chemotherapy for gastric cancer. Anticancer Res. 2014 Dec;34(12):7297-301. PubMed PMID: 25503163.

5: Li S, Xu M, Li H, Du J, Li W. Pharmacokinetic Properties of Oral Lafutidine Tablets and the Effect of Food on its Pharmacokinetics in Healthy Chinese Subjects. Adv Ther. 2016 Oct;33(10):1704-1714. Epub 2016 Jul 21. PubMed PMID: 27444313.

6: Patil S, Talele GS. Gastroretentive mucoadhesive tablet of lafutidine for controlled release and enhanced bioavailability. Drug Deliv. 2015 May;22(3):312-9. doi: 10.3109/10717544.2013.877099. Epub 2014 Jan 29. PubMed PMID: 24471787.

7: Tsukaguchi M, Shibano M, Matsuura A, Mukai S. The protective effects of lafutidine for bortezomib induced peripheral neuropathy. J Blood Med. 2013 Jul 11;4:81-5. doi: 10.2147/JBM.S44127. Print 2013. PubMed PMID: 23874126; PubMed Central PMCID: PMC3712744.

8: Ogawa Y, Ichinokawa Y, Hiruma M, Machida Y, Funakushi N, Sadamasa H, Hiruma M. Retrospective cohort study on combination therapy with the histamine H2-receptor antagonist lafutidine for antihistamine-resistant chronic urticaria. J Dermatolog Treat. 2013 Dec;24(6):463-5. doi: 10.3109/09546634.2013.800183. Epub 2013 May 21. PubMed PMID: 23639034.

9: Nagano H, Sanai H, Muraoka M, Takagi K. Efficacy of lafutidine, a histamine H2-receptor antagonist, for taxane-induced peripheral neuropathy in patients with gynecological malignancies. Gynecol Oncol. 2012 Oct;127(1):172-4. doi: 10.1016/j.ygyno.2012.06.029. Epub 2012 Jun 26. PubMed PMID: 22750259.

10: Kudo T, Fujinami H, Ando T, Nishikawa J, Ogawa K, Hosokawa A, Orihara T, Murakami J, Takahara T, Sugiyama T. Comparison of lafutidine and rabeprazole in 7-day second-line amoxicillin- and metronidazole-containing triple therapy for Helicobacter pylori: a pilot study. Helicobacter. 2012 Aug;17(4):277-81. doi: 10.1111/j.1523-5378.2012.00943.x. Epub 2012 Mar 20. PubMed PMID: 22759327.

11: Nakano M, Ajioka H, Abe M, Kiniwa M. Possible involvement of host defense mechanism in the suppression of rat acute reflux esophagitis by the particular histamine H2 receptor antagonist lafutidine. Pharmacology. 2012;90(3-4):205-11. doi: 10.1159/000342386. Epub 2012 Sep 13. PubMed PMID: 23038658.

12: Nakano M, Kitano S, Nanri M, Kiniwa M. Lafutidine, a unique histamine H2-receptor antagonist, inhibits distention-induced gastric acid secretion through an H2 receptor-independent mechanism. Eur J Pharmacol. 2011 May 11;658(2-3):236-41. doi: 10.1016/j.ejphar.2011.02.007. Epub 2011 Feb 22. PubMed PMID: 21349265.

13: Hatakeyama M, Fukunaga A, Washio K, Ogura K, Yamada Y, Horikawa T, Nishigori C. Addition of lafutidine can improve disease activity and lead to better quality of life in refractory cholinergic urticaria unresponsive to histamine H1 antagonists. J Dermatol Sci. 2016 May;82(2):137-9. doi: 10.1016/j.jdermsci.2016.02.001. Epub 2016 Feb 8. PubMed PMID: 26896422.

14: Iida H, Inamori M, Uchiyama T, Endo H, Hosono K, Akiyama T, Sakamoto Y, Fujita K, Takahashi H, Yoneda M, Koide T, Tokoro C, Goto A, Abe Y, Kobayashi N, Kirikoshi H, Kubota K, Saito S, Nakajima A. Early effects of oral administration of lafutidine with peppermint oil, compared with lafutidine alone, on intragastric pH values. Hepatogastroenterology. 2011 Jan-Feb;58(105):235-8. PubMed PMID: 21510321.

15: Kato M, Kamada G, Yamamoto K, Nishida U, Imai A, Yoshida T, Ono S, Nakagawa M, Nakagawa S, Shimizu Y, Asaka M. Lafutidine prevents low-dose aspirin and loxoprofen induced gastric injury: a randomized, double-blinded, placebo controlled study. J Gastroenterol Hepatol. 2010 Oct;25(10):1631-5. doi: 10.1111/j.1440-1746.2010.06375.x. PubMed PMID: 20880171.

16: Yang H, Huang Y, He J, Li S, Tang B, Li H. Interaction of lafutidine in binding to human serum albumin in gastric ulcer therapy: STD-NMR, WaterLOGSY-NMR, NMR relaxation times, Tr-NOESY, molecule docking, and spectroscopic studies. Arch Biochem Biophys. 2016 Sep 15;606:81-9. doi: 10.1016/j.abb.2016.07.016. Epub 2016 Jul 22. PubMed PMID: 27457418.

17: Amagase K, Ochi A, Sugihara T, Kato S, Takeuchi K. Protective effect of lafutidine, a histamine H2 receptor antagonist, against loxoprofen-induced small intestinal lesions in rats. J Gastroenterol Hepatol. 2010 May;25 Suppl 1:S111-8. doi: 10.1111/j.1440-1746.2010.06223.x. PubMed PMID: 20586851.

18: Ohara S, Haruma K, Kinoshita Y, Kusano M. A double-blind, controlled study comparing lafutidine with placebo and famotidine in Japanese patients with mild reflux esophagitis. J Gastroenterol. 2010 Dec;45(12):1219-27. doi: 10.1007/s00535-010-0283-8. Epub 2010 Jul 15. PubMed PMID: 20632193.

19: Ren Q, Ma B, Yang K, Yan X. Lafutidine-based triple therapy for Helicobacter pylori eradication. Hepatogastroenterology. 2010 Sep-Oct;57(102-103):1074-81. PubMed PMID: 21410034.

20: Dewan B, Philipose N. Lafutidine 10 mg versus Rabeprazole 20 mg in the Treatment of Patients with Heartburn-Dominant Uninvestigated Dyspepsia: A Randomized, Multicentric Trial. Gastroenterol Res Pract. 2011;2011:640685. doi: 10.1155/2011/640685. Epub 2011 May 5. PubMed PMID: 21687618; PubMed Central PMCID: PMC3113257.