WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 319848

CAS#: 841301-32-4

Description: Amenamevir, also known as ASP2151, is a herpes virus helicase-primase inhibitor. ASP2151 had significantly better anti-HSV activity against herpes simplex keratitis than valacyclovir and acyclovir after systemic or topical use.

Price and Availability

Size Price Shipping out time Quantity
5mg USD 150 Same Day
10mg USD 250 Same Day
25mg USD 450 Same Day
50mg USD 650 Same Day
100mg USD 950 Same Day
200mg USD 1650 Same Day
500mg USD 2450 Same Day
1g USD 3450 Same Day
2g USD 5850 Same Day
Inquire bulk and customized quantity

Pricing updated 2021-01-26. Prices are subject to change without notice.

Amenamevir, purity > 98%, is in stock. The same day shipping after order received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 319848
Name: Amenamevir
CAS#: 841301-32-4
Chemical Formula: C24H26N4O5S
Exact Mass: 482.1624
Molecular Weight: 482.555
Elemental Analysis: C, 59.74; H, 5.43; N, 11.61; O, 16.58; S, 6.64

Synonym: ASP2151; ASP-2151; ASP 2151; Amenamevir

IUPAC/Chemical Name: N-(2-((4-(1,2,4-oxadiazol-3-yl)phenyl)amino)-2-oxoethyl)-N-(2,6-dimethylphenyl)tetrahydro-2H-thiopyran-4-carboxamide 1,1-dioxide


InChi Code: InChI=1S/C24H26N4O5S/c1-16-4-3-5-17(2)22(16)28(24(30)19-10-12-34(31,32)13-11-19)14-21(29)26-20-8-6-18(7-9-20)23-25-15-33-27-23/h3-9,15,19H,10-14H2,1-2H3,(H,26,29)


Technical Data

Solid powder

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

Certificate of Analysis:

Safety Data Sheet (SDS):

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).

Soluble in DMSO, not in water

Shelf Life:
>2 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:


1: Ohtsu Y, Otsuka S, Nakamura T, Noguchi K. Regulated bioanalysis of conformers - A case study with ASP2151 in dog plasma and urine. J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Aug 1;997:56-63. doi: 10.1016/j.jchromb.2015.05.028. Epub 2015 May 28. PubMed PMID: 26093120.

2: James SH, Larson KB, Acosta EP, Prichard MN. Helicase-primase as a target of new therapies for herpes simplex virus infections. Clin Pharmacol Ther. 2015 Jan;97(1):66-78. doi: 10.1002/cpt.3. Epub 2014 Nov 18. Review. PubMed PMID: 25670384.

3: Muylaert I, Zhao Z, Elias P. UL52 primase interactions in the herpes simplex virus 1 helicase-primase are affected by antiviral compounds and mutations causing drug resistance. J Biol Chem. 2014 Nov 21;289(47):32583-92. doi: 10.1074/jbc.M114.609453. Epub 2014 Oct 2. PubMed PMID: 25278021; PubMed Central PMCID: PMC4239612.

4: Biswas S, Sukla S, Field HJ. Helicase-primase inhibitors for herpes simplex virus: looking to the future of non-nucleoside inhibitors for treating herpes virus infections. Future Med Chem. 2014 Jan;6(1):45-55. doi: 10.4155/fmc.13.192. Review. PubMed PMID: 24358947.

5: Andrei G, Snoeck R. Advances in the treatment of varicella-zoster virus infections. Adv Pharmacol. 2013;67:107-68. doi: 10.1016/B978-0-12-405880-4.00004-4. Review. PubMed PMID: 23886000.

6: Sasaki S, Miyazaki D, Haruki T, Yamamoto Y, Kandori M, Yakura K, Suzuki H, Inoue Y. Efficacy of herpes virus helicase-primase inhibitor, ASP2151, for treating herpes simplex keratitis in mouse model. Br J Ophthalmol. 2013 Apr;97(4):498-503. doi: 10.1136/bjophthalmol-2012-302062. Epub 2013 Jan 29. PubMed PMID: 23361434.

7: Katsumata K, Chono K, Kato K, Ohtsu Y, Takakura S, Kontani T, Suzuki H. Pharmacokinetics and pharmacodynamics of ASP2151, a helicase-primase inhibitor, in a murine model of herpes simplex virus infection. Antimicrob Agents Chemother. 2013 Mar;57(3):1339-46. doi: 10.1128/AAC.01803-12. Epub 2012 Dec 28. PubMed PMID: 23274658; PubMed Central PMCID: PMC3591930.

8: Chono K, Katsumata K, Suzuki H, Shiraki K. Synergistic activity of amenamevir (ASP2151) with nucleoside analogs against herpes simplex virus types 1 and 2 and varicella-zoster virus. Antiviral Res. 2013 Feb;97(2):154-60. doi: 10.1016/j.antiviral.2012.12.006. Epub 2012 Dec 20. PubMed PMID: 23261844.

9: Chono K, Katsumata K, Kontani T, Shiraki K, Suzuki H. Characterization of virus strains resistant to the herpes virus helicase-primase inhibitor ASP2151 (Amenamevir). Biochem Pharmacol. 2012 Aug 15;84(4):459-67. doi: 10.1016/j.bcp.2012.05.020. Epub 2012 Jun 9. PubMed PMID: 22687623.

10: Katsumata K, Weinberg A, Chono K, Takakura S, Kontani T, Suzuki H. Susceptibility of herpes simplex virus isolated from genital herpes lesions to ASP2151, a novel helicase-primase inhibitor. Antimicrob Agents Chemother. 2012 Jul;56(7):3587-91. doi: 10.1128/AAC.00133-12. Epub 2012 Apr 23. PubMed PMID: 22526302; PubMed Central PMCID: PMC3393391.

11: Tyring S, Wald A, Zadeikis N, Dhadda S, Takenouchi K, Rorig R. ASP2151 for the treatment of genital herpes: a randomized, double-blind, placebo- and valacyclovir-controlled, dose-finding study. J Infect Dis. 2012 Apr 1;205(7):1100-10. doi: 10.1093/infdis/jis019. Epub 2012 Feb 20. PubMed PMID: 22351940.

12: Himaki T, Masui Y, Chono K, Daikoku T, Takemoto M, Haixia B, Okuda T, Suzuki H, Shiraki K. Efficacy of ASP2151, a helicase-primase inhibitor, against thymidine kinase-deficient herpes simplex virus type 2 infection in vitro and in vivo. Antiviral Res. 2012 Feb;93(2):301-4. doi: 10.1016/j.antiviral.2011.11.015. Epub 2011 Dec 4. PubMed PMID: 22155691.

13: Katsumata K, Chono K, Sudo K, Shimizu Y, Kontani T, Suzuki H. Effect of ASP2151, a herpesvirus helicase-primase inhibitor, in a guinea pig model of genital herpes. Molecules. 2011 Aug 25;16(9):7210-23. doi: 10.3390/molecules16097210. PubMed PMID: 21869749.

14: Andrei G, Snoeck R. Emerging drugs for varicella-zoster virus infections. Expert Opin Emerg Drugs. 2011 Sep;16(3):507-35. doi: 10.1517/14728214.2011.591786. Epub 2011 Jun 24. Review. PubMed PMID: 21699441.

15: Chono K, Katsumata K, Kontani T, Kobayashi M, Sudo K, Yokota T, Konno K, Shimizu Y, Suzuki H. ASP2151, a novel helicase-primase inhibitor, possesses antiviral activity against varicella-zoster virus and herpes simplex virus types 1 and 2. J Antimicrob Chemother. 2010 Aug;65(8):1733-41. doi: 10.1093/jac/dkq198. Epub 2010 Jun 9. PubMed PMID: 20534624.