Milademetan HCl

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MedKoo CAT#: 561120

CAS#: Milademetan HCl

Description: Milademetan, also known as DS-3032b or DS-3032, is a potent and selective MDM2 inhibitor with potential antineoplastic activity. Upon oral administration, MDM2 inhibitor DS-3032b binds to, and prevents the binding of MDM2 protein to the transcriptional activation domain of the tumor suppressor protein p53. By preventing this MDM2-p53 interaction, the proteosome-mediated enzymatic degradation of p53 is inhibited and the transcriptional activity of p53 is restored. This results in the restoration of p53 signaling and leads to the p53-mediated induction of tumor cell apoptosis.


Chemical Structure

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Milademetan HCl
CAS# Milademetan HCl

Theoretical Analysis

MedKoo Cat#: 561120
Name: Milademetan HCl
CAS#: Milademetan HCl
Chemical Formula: C30H35Cl3FN5O4
Exact Mass: 617.20
Molecular Weight: 654.990
Elemental Analysis: C, 55.01; H, 5.39; Cl, 16.24; F, 2.90; N, 10.69; O, 9.77

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.
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Related CAS #: 1398568-47-2 (free base)   1398569-75-9 (tosylate)   2095625-97-9 (tosylate hydrate)   Milademetan HCl    

Synonym: DS3032b; DS-3032b; DS 3032b; DS3032; DS-3032; DS 3032; DS-3032b tosylate; Milademetan tosylate; Milademetan HCl

IUPAC/Chemical Name: (3'R,4'S,5'R)-N-[(3R,6S)-6-carbamoyloxan-3-yl]-6''-chloro-4'-(2-chloro-3-fluoropyridin-4-yl)-4,4-dimethyl-2''-oxo-1'',2''-dihydrodispiro[cyclohexane-1,2'-pyrrolidine-3',3''-indole]-5'-carboxamide hydrochloride

InChi Key: QHGIVDUFDSYILN-LINJWFRASA-N

InChi Code: InChI=1S/C30H34Cl2FN5O4.ClH/c1-28(2)8-10-29(11-9-28)30(18-5-3-15(31)13-19(18)37-27(30)41)21(17-7-12-35-24(32)22(17)33)23(38-29)26(40)36-16-4-6-20(25(34)39)42-14-16;/h3,5,7,12-13,16,20-21,23,38H,4,6,8-11,14H2,1-2H3,(H2,34,39)(H,36,40)(H,37,41);1H/t16-,20+,21+,23-,30-;/m1./s1

SMILES Code: O=C([C@H](N1)[C@H](C2=C(F)C(Cl)=NC=C2)[C@]3(C(NC4=C3C=CC(Cl)=C4)=O)C51CCC(C)(C)CC5)N[C@H]6CO[C@H](C(N)=O)CC6.[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: >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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 654.99 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Ishizawa J, Nakamaru K, Seki T, Tazaki K, Kojima K, Chachad D, Zhao R, Heese LE, Ma W, Ma MCJ, DiNardo CD, Pierce SA, Patel KP, Tse A, Davis RE, Rao A, Andreeff M. Predictive gene signatures determine tumor sensitivity to MDM2 inhibition. Cancer Res. 2018 Feb 28. pii: canres.0949.2017. doi: 10.1158/0008-5472.CAN-17-0949. [Epub ahead of print] PubMed PMID: 29490944.

2: Arnhold V, Schmelz K, Proba J, Winkler A, Wünschel J, Toedling J, Deubzer HE, Künkele A, Eggert A, Schulte JH, Hundsdoerfer P. Reactivating TP53 signaling by the novel MDM2 inhibitor DS-3032b as a therapeutic option for high-risk neuroblastoma. Oncotarget. 2017 Dec 18;9(2):2304-2319. doi: 10.18632/oncotarget.23409. eCollection 2018 Jan 5. PubMed PMID: 29416773; PubMed
Central PMCID: PMC5788641.

3. Liao G, Yang D, Ma L, Li W, Hu L, Zeng L, Wu P, Duan L, Liu Z. The development of piperidinones as potent MDM2-P53 protein-protein interaction inhibitors for cancer therapy. Eur J Med Chem. 2018 Nov 5;159:1-9. doi: 10.1016/j.ejmech.2018.09.044. Epub 2018 Sep 18. Review. PubMed PMID: 30253242.