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ChemicalBook >> CAS DataBase List >> 2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride

2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride

2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride price.
  • $57 - $1474.7
  • Product name: 2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride
  • CAS: 294646-77-8
  • MF: C24H29N7O
  • MW: 431.53
  • EINECS:
  • MDL Number:MFCD18785641
  • Synonyms:(R)-CR8;2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride;1-Butanol,2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]Methyl]aMino]-9H-purin-2-yl]aMino]-,(2R)-;(S)-CR8;(2R)-2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]methyl]amino]-9H-purin-2-yl]amino]-1-butanol;R8;CR8, (R)-Isomer ;(2R)-2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]methyl]amino]-9H-purin-2-yl]amino]-butanol-1
14 prices
Selected condition:
Brand
  • Adipogen Life Sciences
  • AK Scientific
  • American Custom Chemicals Corporation
  • Axon Medchem
  • Cayman Chemical
  • ChemScene
  • Sigma-Aldrich
  • Tocris
  • TRC
Package
  • 10
  • 1mg
  • 5mg
  • 10mg
  • 25MG
  • ManufacturerAdipogen Life Sciences
  • Product numberAG-CR1-0039-M005
  • Product description(R)-CR8 ≥98%(NMR)
  • Packaging5mg
  • Price$180
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number3878BB
  • Product description(2R)-2-({9-(1-Methylethyl)-6-[(4-pyridin-2-ylbenzyl)amino]-9H-purin-2-yl}amino)butan-1-ol
  • Packaging10mg
  • Price$403
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberBRS0000851
  • Product description(R)-CR8 95.00%
  • Packaging5MG
  • Price$815.02
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberBRS0000851
  • Product description(R)-CR8 95.00%
  • Packaging25MG
  • Price$1474.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAxon Medchem
  • Product numberAxon3228
  • Product descriptionCDKinhibitorCR8-(R)-CR8 99%
  • Packaging25mg
  • Price$506
  • Updated2021-12-16
  • Buy
  • ManufacturerCayman Chemical
  • Product number14006
  • Product description(R)-CR8 ≥98%
  • Packaging1mg
  • Price$57
  • Updated2024-03-01
  • Buy
  • ManufacturerCayman Chemical
  • Product number14006
  • Product description(R)-CR8
  • Packaging5mg
  • Price$179
  • Updated2024-03-01
  • Buy
  • ManufacturerCayman Chemical
  • Product number14006
  • Product description(R)-CR8 ≥98%
  • Packaging10mg
  • Price$275
  • Updated2024-03-01
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0007451
  • Product description(R)​-​CR8 >98.0%
  • Packaging5mg
  • Price$550
  • Updated2021-12-16
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0007451
  • Product description(R)​-​CR8 >98.0%
  • Packaging10mg
  • Price$990
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberC3249
  • Product descriptionCR8 ≥95% (HPLC)
  • Packaging5mg
  • Price$131.2
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberC3249
  • Product descriptionCR8 ≥95% (HPLC)
  • Packaging25mg
  • Price$524
  • Updated2024-03-01
  • Buy
  • ManufacturerTocris
  • Product number3605
  • Product description(R)-CR8 ≥99%(HPLC)
  • Packaging10
  • Price$267
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberC790003
  • Product descriptionCR8,(R)-Isomer
  • Packaging10mg
  • Price$250
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Adipogen Life Sciences AG-CR1-0039-M005 (R)-CR8 ≥98%(NMR) 5mg $180 2021-12-16 Buy
AK Scientific 3878BB (2R)-2-({9-(1-Methylethyl)-6-[(4-pyridin-2-ylbenzyl)amino]-9H-purin-2-yl}amino)butan-1-ol 10mg $403 2021-12-16 Buy
American Custom Chemicals Corporation BRS0000851 (R)-CR8 95.00% 5MG $815.02 2021-12-16 Buy
American Custom Chemicals Corporation BRS0000851 (R)-CR8 95.00% 25MG $1474.7 2021-12-16 Buy
Axon Medchem Axon3228 CDKinhibitorCR8-(R)-CR8 99% 25mg $506 2021-12-16 Buy
Cayman Chemical 14006 (R)-CR8 ≥98% 1mg $57 2024-03-01 Buy
Cayman Chemical 14006 (R)-CR8 5mg $179 2024-03-01 Buy
Cayman Chemical 14006 (R)-CR8 ≥98% 10mg $275 2024-03-01 Buy
ChemScene CS-0007451 (R)​-​CR8 >98.0% 5mg $550 2021-12-16 Buy
ChemScene CS-0007451 (R)​-​CR8 >98.0% 10mg $990 2021-12-16 Buy
Sigma-Aldrich C3249 CR8 ≥95% (HPLC) 5mg $131.2 2024-03-01 Buy
Sigma-Aldrich C3249 CR8 ≥95% (HPLC) 25mg $524 2024-03-01 Buy
Tocris 3605 (R)-CR8 ≥99%(HPLC) 10 $267 2021-12-16 Buy
TRC C790003 CR8,(R)-Isomer 10mg $250 2021-12-16 Buy

Properties

Melting point :98-100℃
Boiling point :671.4±65.0 °C(Predicted)
Density :1.27±0.1 g/cm3(Predicted)
storage temp. :2-8°C
solubility :DMSO: ≥10mg/mL
pka :14.56±0.10(Predicted)
form :powder
color :off-white
Stability :Stable for 2 years as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Cyclin-dependent kinases (CDKs) are key regulators of cell cycle progression and are therefore promising targets for cancer therapy. (R)-CR8 is a second-generation analog of (R)-roscovitine that inhibits Cdk1/cyclin B, Cdk2/cyclin A, Cdk2/cyclin E, Cdk5/p25, and Cdk9/cyclin T with IC50 values of 0.09, 0.072, 0.041, 0.11, and 0.18 μM, respectively. (R)-CR8 has 2- to 4-fold improved potency for the inhibition of CDKs over (R)-roscovitine and can inhibit the proliferation of various cancer cell lines with ~40-fold more potency than (R)-roscovitine (IC50s ~ 0.39 versus 27.8 μM, respectively). (R)-CR8 also inhibits casein kinase 1 (CK1δ/ε) with an IC50 value of 0.40 μM and inhibits GSK3α/β with an IC50 value of 12 μM.

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