R547

Modify Date: 2024-01-02 15:14:25

R547 Structure
R547 structure
Common Name R547
CAS Number 741713-40-6 Molecular Weight 441.45200
Density 1.49 Boiling Point 703.7ºC at 760 mmHg
Molecular Formula C18H21F2N5O4S Melting Point N/A
MSDS Chinese USA Flash Point 379.4ºC

 Use of R547


R547 is a potent ATP-competitive inhibitor of CDK1/2/4 with Ki of 2 nM/3 nM/1 nM.IC50 Value: 2 nM(Ki for CDK1); 3 nM(Ki for CDK2); 1 nM(Ki for CDK4)Target: CDKin vitro: R547 effectively inhibits CDK1/cyclinB, CDK2/cyclinE, and CDK4/cyclinD1(Ki=1-3nM) and is inactive(Ki>5,000nM) against a panel of >120 unrelated kinases. R547 effectively inhibits the proliferation of tumor cell lines independent of multidrug resistant status, histologic type, retinoblastoma protein, or p53 status, with IC50s <0.60 μM. R547 reduces phosphorylation of the cellular retinoblastoma protein at specific CDK phosphorylation sites at the same concentrations that induced cell cycle arrest, suggesting a potential pharmaco dynamics marker for clinical use. R547 inhibits the proliferation of tumor cell lines and is active in all 19 cell lines tested irrespective of tissue of origin, multidrug resistance (MDR), p53, or retinoblastoma status. R547 possessing both 5-and 6-fluoro substitution culminated in an Inhibitor with low, single-digit nanomolar potency against the CDKs(Ki=0.001,0.003,and 0.001 μM for CDK1,CDK2, and CDK4,respectively) and excellent cellular potency (IC50=0.08 μM,HCT116 cell line).in vivo: R547 administered with oral and i.v. dosing in multiple established human tumor significantly inhibits tumor activity(P < 0.01). R547 administered orally at dose of 40 mg/kg daily in colon, lung, breast, prostate, and melanoma human tumor xenograft models shows significant TGI (79-99%). R547 is equally efficacious (TGI, 61-95%) when dosed with 40 mg/kg i.v. once weekly. These doses of R547 are not toxic and did not result in body weight loss. R547 does not show signs of overt toxicity during the course of the 3-week study and any gross pathology at necropsies done at the end of the studies. R547 inhibits tumor growth up to 95% in the HCT116 human colorectal tumor xenograft model in nude mice . R547 causes significant TGI in all of the models tested when dosed orally and i.v. at or below the maximum tolerated dose. R547 inhibits phosphorylation of retinoblastoma protein in tumors at the efficacious exposures in tumor xenograft models, providing a pharmacodynamic biomarker for clinical use. R547 reported here suggests that this is a promising molecule for evaluation in the treatment of solid tumors.

 Names

Name [4-amino-2-[(1-methylsulfonylpiperidin-4-yl)amino]pyrimidin-5-yl]-(2,3-difluoro-6-methoxyphenyl)methanone
Synonym More Synonyms

 R547 Biological Activity

Description R547 is a potent ATP-competitive inhibitor of CDK1/2/4 with Ki of 2 nM/3 nM/1 nM.IC50 Value: 2 nM(Ki for CDK1); 3 nM(Ki for CDK2); 1 nM(Ki for CDK4)Target: CDKin vitro: R547 effectively inhibits CDK1/cyclinB, CDK2/cyclinE, and CDK4/cyclinD1(Ki=1-3nM) and is inactive(Ki>5,000nM) against a panel of >120 unrelated kinases. R547 effectively inhibits the proliferation of tumor cell lines independent of multidrug resistant status, histologic type, retinoblastoma protein, or p53 status, with IC50s <0.60 μM. R547 reduces phosphorylation of the cellular retinoblastoma protein at specific CDK phosphorylation sites at the same concentrations that induced cell cycle arrest, suggesting a potential pharmaco dynamics marker for clinical use. R547 inhibits the proliferation of tumor cell lines and is active in all 19 cell lines tested irrespective of tissue of origin, multidrug resistance (MDR), p53, or retinoblastoma status. R547 possessing both 5-and 6-fluoro substitution culminated in an Inhibitor with low, single-digit nanomolar potency against the CDKs(Ki=0.001,0.003,and 0.001 μM for CDK1,CDK2, and CDK4,respectively) and excellent cellular potency (IC50=0.08 μM,HCT116 cell line).in vivo: R547 administered with oral and i.v. dosing in multiple established human tumor significantly inhibits tumor activity(P < 0.01). R547 administered orally at dose of 40 mg/kg daily in colon, lung, breast, prostate, and melanoma human tumor xenograft models shows significant TGI (79-99%). R547 is equally efficacious (TGI, 61-95%) when dosed with 40 mg/kg i.v. once weekly. These doses of R547 are not toxic and did not result in body weight loss. R547 does not show signs of overt toxicity during the course of the 3-week study and any gross pathology at necropsies done at the end of the studies. R547 inhibits tumor growth up to 95% in the HCT116 human colorectal tumor xenograft model in nude mice . R547 causes significant TGI in all of the models tested when dosed orally and i.v. at or below the maximum tolerated dose. R547 inhibits phosphorylation of retinoblastoma protein in tumors at the efficacious exposures in tumor xenograft models, providing a pharmacodynamic biomarker for clinical use. R547 reported here suggests that this is a promising molecule for evaluation in the treatment of solid tumors.
Related Catalog
Target

Cdk1/cyclin B:2 nM (Ki)

CDK4/cyclin D:1 nM (Ki)

CDK2/cyclinE:3 nM (Ki)

References

[1]. Chu XJ, DePinto W, Bartkovitz D, So SS, Vu BT, Packman K, Lukacs C, Ding Q, Jiang N, Wang K, Goelzer P, Yin X, Smith MA, Higgins BX, Chen Y, Xiang Q, Moliterni J, Kaplan G, Graves B, Lovey A, Fotouhi N.Discovery of [4-Amino-2-(1-methanesulfonylpiperidin-4

[2]. Bayés M, Rabasseda X, Prous JR.Gateways to clinical trials.Methods Find Exp Clin Pharmacol. 2007 Jul-Aug;29(6):427-37.

[3]. Martin F, Thomson TM, Sewer A, Drubin DA, Mathis C, Weisensee D, Pratt D, Hoeng J, Peitsch MC.Assessment of network perturbation amplitudes by applying high-throughput data to causal biological networks.BMC Syst Biol. 2012 May 31;6:54.

[4]. DePinto, Wanda et al In vitro and in vivo activity of R547: a potent and selective cyclin-dependent kinase inhibitor currently in phase I clinical trials Molecular Cancer Therapeutics (2006), 5(11), 2644-2658

[5]. Jones, Clifford D.; Andrews, David M. Imidazole pyrimidine amides as potent, orally bioavailable cyclin-dependent kinase inhibitors Bioorganic & Medicinal Chemistry Letters (2008), 18(24), 6486-6489

 Chemical & Physical Properties

Density 1.49
Boiling Point 703.7ºC at 760 mmHg
Molecular Formula C18H21F2N5O4S
Molecular Weight 441.45200
Flash Point 379.4ºC
Exact Mass 441.12800
PSA 135.89000
LogP 3.08540
Index of Refraction 1.62
Storage condition -20℃

 Safety Information

RIDADR NONH for all modes of transport

 Synonyms

(4-Amino-2-{[1-(methylsulfonyl)-4-piperidinyl]amino}-5-pyrimidinyl)(2,3-difluoro-6-methoxyphenyl)methanone
Methanone, [4-amino-2-[[1-(methylsulfonyl)-4-piperidinyl]amino]-5-pyrimidinyl](2,3-difluoro-6-methoxyphenyl)-
R547
RO-4584820
cc-270
pound not R 547
R 547
(4-Amino-2-[(1-methylsulfonylpiperidin-4-yl)amino)pyrimidin-5-yl)(2,3-difluoro-6-methoxyphenyl)methanone
[4-amino-2-(1-methanesulfonyl-piperidin-4-ylamino)-pyrimidin-5-yl]-(2,3-difluoro-6-methoxy-phenyl)-methanone
Ro 4584820
(4-Amino-2-{[1-(methylsulfonyl)piperidin-4-yl]amino}pyrimidin-5-yl)(2,3-difluoro-6-methoxyphenyl)methanone
Top Suppliers:I want be here
  • DC Chemicals Limited
  • China
  • Product Name: R547
  • Price: $1200.0/100mg $1900.0/250mg $3200.0/1g
  • Purity: 98.0%
  • Stocking Period: 3 Day
  • Contact: Tony Cao

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Price: $508/10mM*1mLinDMSO

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