Trichostatin A S-isomer

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MedKoo CAT#: 407837

CAS#: 122292-85-7 (S-isomer)

Description: Trichostatin A S-isomer, also known as (-)-Trichostatin A, is the s-isomer of Trichostatin A. Trichostatin A has R-configuration structure, which is a HDAC inhibitor. Trichostatin A is a member of a larger class of histone deacetylase inhibitors (HDIs or HDACIs) that have a broad spectrum of epigenetic activities. TSA inhibits HDACs 1, 3, 4, 6 and 10 with IC50 values around 20 nM.

Price and Availability

Size Price Shipping out time Quantity
10mg USD 550 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-09-22. Prices are subject to change without notice.

Trichostatin A S-isomer, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 407837
Name: Trichostatin A S-isomer
CAS#: 122292-85-7 (S-isomer)
Chemical Formula: C17H22N2O3
Exact Mass: 302.163
Molecular Weight: 302.374
Elemental Analysis: C, 67.53; H, 7.33; N, 9.26; O, 15.87

Related CAS #: 58880-19-6 (R-isomer)   122292-85-7 (S-isomer)  

Synonym: Trichostatin A S-isomer; (-)-Trichostatin A,

IUPAC/Chemical Name: [S-(E,E)]-7-[4-(Dimethylamino)phenyl]-N-hydroxy-4,6-dimethyl-7-oxo-2,4-heptadienamide


InChi Code: InChI=1S/C17H22N2O3/c1-12(5-10-16(20)18-22)11-13(2)17(21)14-6-8-15(9-7-14)19(3)4/h5-11,13,22H,1-4H3,(H,18,20)/b10-5+,12-11+/t13-/m0/s1

SMILES Code: O=C(NO)/C=C/C(C)=C/[C@H](C)C(C1=CC=C(N(C)C)C=C1)=O

Technical Data

Solid powder

>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).

Soluble in DMSO

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: Turovets N, D'Amour KA, Agapov V, Turovets I, Kochetkova O, Janus J, Semechkin A, Moorman MA, Agapova L. Human parthenogenetic stem cells produce enriched populations of definitive endoderm cells after trichostatin A pretreatment. Differentiation. 2011 Jun;81(5):292-8. doi: 10.1016/j.diff.2011.01.002. Epub 2011 Feb 8. Review. PubMed PMID: 21306817.

2: Codd R, Braich N, Liu J, Soe CZ, Pakchung AA. Zn(II)-dependent histone deacetylase inhibitors: suberoylanilide hydroxamic acid and trichostatin A. Int J Biochem Cell Biol. 2009 Apr;41(4):736-9. doi: 10.1016/j.biocel.2008.05.026. Epub 2008 Aug 3. Review. PubMed PMID: 18725319.

3: Yoshida M. [Potent and specific inhibition of mammalian histone deacetylase both in vivo and in vitro by trichostatin A]. Tanpakushitsu Kakusan Koso. 2007 Oct;52(13 Suppl):1788-9. Review. Japanese. PubMed PMID: 18051427.

4: Vanhaecke T, Papeleu P, Elaut G, Rogiers V. Trichostatin A-like hydroxamate histone deacetylase inhibitors as therapeutic agents: toxicological point of view. Curr Med Chem. 2004 Jun;11(12):1629-43. Review. PubMed PMID: 15180568.

5: Kim YB, Yoshida M, Horinouchi S. Selective induction of cyclin-dependent kinase inhibitors and their roles in cell cycle arrest caused by trichostatin A, an inhibitor of histone deacetylase. Ann N Y Acad Sci. 1999;886:200-3. Review. PubMed PMID: 10667219.

6: Yoshida M, Horinouchi S, Beppu T. Trichostatin A and trapoxin: novel chemical probes for the role of histone acetylation in chromatin structure and function. Bioessays. 1995 May;17(5):423-30. Review. PubMed PMID: 7786288.