NS-018 maleate

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

MedKoo CAT#: 528802

CAS#: 1354799-87-3 (maleate)

Description: NS-018 maleate is an inhibitor of JAK and Src-Family kinase potentially for the treatment of myelofibrosis


Chemical Structure

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NS-018 maleate
CAS# 1354799-87-3 (maleate)

Theoretical Analysis

MedKoo Cat#: 528802
Name: NS-018 maleate
CAS#: 1354799-87-3 (maleate)
Chemical Formula: C25H24FN7O4
Exact Mass:
Molecular Weight: 505.5104
Elemental Analysis: C, 59.40; H, 4.79; F, 3.76; N, 19.40; O, 12.66

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 #: 1239358-86-1 (free base)   1239358-85-0 (HCl)   1354799-87-3 (maleate)    

Synonym: NS-018; NS018; NS 018

IUPAC/Chemical Name: (S)-N2-(1-(4-fluorophenyl)ethyl)-4-(1-methyl-1H-pyrazol-4-yl)-N6-(pyrazin-2-yl)pyridine-2,6-diamine maleate

InChi Key: OVAGJAAQMBYZDS-FXSDFHGDSA-N

InChi Code: InChI=1S/C21H20FN7.C4H4O4/c1-14(15-3-5-18(22)6-4-15)26-19-9-16(17-11-25-29(2)13-17)10-20(27-19)28-21-12-23-7-8-24-21;5-3(6)1-2-4(7)8/h3-14H,1-2H3,(H2,24,26,27,28);1-2H,(H,5,6)(H,7,8)/b;2-1-/t14-;/m0./s1

SMILES Code: CN1N=CC(C2=CC(N[C@H](C3=CC=C(F)C=C3)C)=NC(NC4=NC=CN=C4)=C2)=C1.O=C(O)/C=C\C(O)=O

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: >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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 505.5104 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: Verstovsek S, Talpaz M, Ritchie E, Wadleigh M, Odenike O, Jamieson C, Stein B, Uno T, Mesa RA. A phase I, open-label, dose-escalation, multicenter study of the JAK2 inhibitor NS-018 in patients with myelofibrosis. Leukemia. 2017 Feb;31(2):393-402. doi: 10.1038/leu.2016.215. PubMed PMID: 27479177; PubMed Central PMCID: PMC5292677.

2: Kuroda J, Kodama A, Chinen Y, Shimura Y, Mizutani S, Nagoshi H, Kobayashi T, Matsumoto Y, Nakaya Y, Tamura A, Kobayashi Y, Naito H, Taniwaki M. NS-018, a selective JAK2 inhibitor, preferentially inhibits CFU-GM colony formation by bone marrow mononuclear cells from high-risk myelodysplastic syndrome patients. Leuk Res. 2014 May;38(5):619-24. doi: 10.1016/j.leukres.2014.03.001. PubMed PMID: 24679585.

3: Nakaya Y, Shide K, Naito H, Niwa T, Horio T, Miyake J, Shimoda K. Effect of NS-018, a selective JAK2V617F inhibitor, in a murine model of myelofibrosis. Blood Cancer J. 2014 Jan 10;4:e174. doi: 10.1038/bcj.2013.73. PubMed PMID: 24413068; PubMed Central PMCID: PMC3913942.

4: Nakaya Y, Shide K, Niwa T, Homan J, Sugahara S, Horio T, Kuramoto K, Kotera T, Shibayama H, Hori K, Naito H, Shimoda K. Efficacy of NS-018, a potent and selective JAK2/Src inhibitor, in primary cells and mouse models of myeloproliferative neoplasms. Blood Cancer J. 2011 Jul;1(7):e29. doi: 10.1038/bcj.2011.29. PubMed PMID: 22829185; PubMed Central PMCID: PMC3255248.

5: Furqan M, Mukhi N, Lee B, Liu D. Dysregulation of JAK-STAT pathway in hematological malignancies and JAK inhibitors for clinical application. Biomark Res. 2013 Jan 16;1(1):5. doi: 10.1186/2050-7771-1-5. PubMed PMID: 24252238; PubMed Central PMCID: PMC3776247.

6: Rosenthal A, Mesa RA. Janus kinase inhibitors for the treatment of myeloproliferative neoplasms. Expert Opin Pharmacother. 2014 Jun;15(9):1265-76. doi: 10.1517/14656566.2014.913024. Review. PubMed PMID: 24766055.

7: Tam CS, Verstovsek S. Investigational Janus kinase inhibitors. Expert Opin Investig Drugs. 2013 Jun;22(6):687-99. doi: 10.1517/13543784.2013.774373. Review. PubMed PMID: 23432430.