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MedKoo CAT#: 558285

CAS#: 1809336-39-7 (free base)

Description: Valemetostat, also known as DS-3201 or DS-3201b, is an antineoplastic drug candidate.

Price and Availability

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Pricing updated 2020-06-06. Prices are subject to change without notice.

Valemetostat is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 558285
Name: Valemetostat
CAS#: 1809336-39-7 (free base)
Chemical Formula: C26H34ClN3O4
Exact Mass: 487.2238
Molecular Weight: 488.02
Elemental Analysis: C, 63.99; H, 7.02; Cl, 7.26; N, 8.61; O, 13.11

Related CAS #: 1809336-39-7 (free base). 1809336-93-3 (tosylate)   1809336-92-2 (mesylate)   1809336-94-4 (fumarate)   1809336-95-5 (tarate)    

Synonym: Valemetostat; DS-3201; DS 3201; DS3201; DS-3201b

IUPAC/Chemical Name: (2R)-7-chloro-2-[trans-4-(dimethylamino)cyclohexyl]-N-[(4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl]-2,4-dimethyl-1,3-benzodioxole-5-carboxamide


InChi Code: InChI=1S/C26H34ClN3O4/c1-14-11-15(2)29-25(32)20(14)13-28-24(31)19-12-21(27)23-22(16(19)3)33-26(4,34-23)17-7-9-18(10-8-17)30(5)6/h11-12,17-18H,7-10,13H2,1-6H3,(H,28,31)(H,29,32)/t17-,18-,26-/m1/s1

SMILES Code: O=C(C1=CC(Cl)=C(O[C@](C)([C@H]2CC[C@H](N(C)C)CC2)O3)C3=C1C)NCC4=C(C)C=C(C)NC4=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:


Yamagishi M, Hori M, Fujikawa D, et al. Targeting Excessive EZH1 and EZH2 Activities for Abnormal Histone Methylation and Transcription Network in Malignant Lymphomas. Cell Rep. 2019;29(8):2321–2337.e7. doi:10.1016/j.celrep.2019.10.083