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ChemicalBook >> CAS DataBase List >>Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Structure
Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- structure
CAS No.
2231085-26-8
Chemical Name:
Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-
Synonyms
N-Hydroxy Palbociclib;Palbociclib N-Hydroxy Piperazine;6-acetyl-8-cyclopentyl-2-((5-(4-hydroxypiperazin-1-yl)pyridin-2-yl)amino)-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one;6-acetyl-8-cyclopentyl-5-methyl-2-((5-(4-oxo-4l4-piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-;6-Acetyl-8-cyclopentyl-2-((5-(4-hydroxypiperazin-1-yl)pyridin-2-yl)amino)-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity)
CBNumber:
CB35516819
Molecular Formula:
C24H29N7O3
Molecular Weight:
463.53
MDL Number:
MOL File:
2231085-26-8.mol
Last updated:2025-07-14 15:27:00
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Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Properties

Melting point >200°C (dec.)
Boiling point 742.2±70.0 °C(Predicted)
Density 1.393±0.06 g/cm3(Predicted)
storage temp. -20°C Freezer, Under inert atmosphere
solubility DMSO (Slightly), Methanol (Slightly)
pka 12.88±0.20(Predicted)
form Solid
color Light Yellow to Yellow
FDA UNII MFE52VXZ4H

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-H939975-50MG N-Hydroxy Palbociclib 2231085-26-8 50mg $816 2026-06-03 Buy
TRC TRC-H939975-10MG N-Hydroxy Palbociclib 2231085-26-8 10mg $199 2026-06-03 Buy
TRC TRC-H939975-100MG N-Hydroxy Palbociclib 2231085-26-8 100mg $1599 2026-06-03 Buy
Biosynth GPD08526 N-Hydroxy palbociclib 2231085-26-8 100mg $1147 2026-06-04 Buy
aablocks AA01X7UE N-Hydroxy Palbociclib 95% 2231085-26-8 10mg $220 2026-06-01 Buy
Product number Packaging Price Buy
TRC-H939975-50MG 50mg $816 Buy
TRC-H939975-10MG 10mg $199 Buy
TRC-H939975-100MG 100mg $1599 Buy
GPD08526 100mg $1147 Buy
AA01X7UE 10mg $220 Buy

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Chemical Properties, Uses, Production

Uses

N-Hydroxy Palbociclib is an impurity of Palbociclib (P139900), an experimental drug for the treatment of breast cancer being developed by Pfizer. It is a selective inhibitor of the cyclin-dependent kinases CDK4 and CDK6.

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Preparation Products And Raw materials

Raw materials

Preparation Products

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Suppliers

Global Suppliers ( 38)
Supplier Tel Email Country ProdList Advantage
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
BOC Sciences 1-631-485-4226; 16314854226 info@bocsci.com United States 9920 65
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shandong Boluoda Biological Technology Co., Ltd. 0531-68651502 2310993908@qq.com China 3228 58
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Hubei Yangxin Medical Technology Co., Ltd. 15374522761 3003392093@yongstandards.com China 9995 55
Jinan blalong chemical co. LTD 2710913286@qq.com 1513643261@qq.com China 14227 58
Hefei fuya biotechnology co. LTD 18096409024 sales02@foreversyn.com China 1934 58
Zhengzhou anmousse chemical products co. LTD 15981811963 18737195735 483339295@qq.com China 7860 58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD 0755-83725350 13380397412 3001280422@qq.com China 10000 58
Supplier Advantage
Daicel Chiral Technologies (China)CO.,LTD 65
BOC Sciences 65
Quality Control Solutions Ltd. 56
Shandong Boluoda Biological Technology Co., Ltd. 58
Shanghai Kewel Chemical Co., Ltd. 50
Hubei Yangxin Medical Technology Co., Ltd. 55
Jinan blalong chemical co. LTD 58
Hefei fuya biotechnology co. LTD 58
Zhengzhou anmousse chemical products co. LTD 58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD 58

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- Spectrum

Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-(2231085-26-8)1HNMR

2231085-26-8 (Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl-) Related Search:

tert-Butyl 4-(6-(6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydro-pyrido(2,3-d)pyrimidin-2-ylamino)-pyridin-3-yl)-piperazine-1-carboxylate 4-[6-[(8-Cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl]piperazine-1-carboxylic acid tert-butyl ester Palbociclib Impurity N-Oxide 4-[6-[(8-cyclopentyl-6-ethenyl-7,8-dihydro-5-methyl-7-oxopyrido[2,3-d]pyrimidin-2-yl)amino]-3-pyridinyl]-1-piperazinecarboxylic acid tert-butyl ester Palbociclib Impurity 87
8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-6-vinylpyrido[2,3-d]pyrimidin-7(8H)-one Pyrido[2,3-d]pyriMidin-7(8H)-one, 8-cyclopentyl-5-Methyl-2-[[5-(1-piperazinyl)-2-pyridinyl]aMino]- tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate 6-bromo-8-cyclopentyl-5-methyl-Pyrido[2,3-d]pyrimidine-2,7(1H,8H)-dione Palbociclib Impurity 91
Palbociclib Impurity I Palbociclib-025 6-broMo-8-cyclopentyl-5-Methyl-2-(5-(piperazin-1-yl)pyridin-2-ylaMino)pyrido[2,3-d]pyriMidin-7(8H)-one

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Pyrido[2,3-d]pyrimidin-7(8H)-one, 6-acetyl-8-cyclopentyl-2-[[5-(4-hydroxy-1-piperazinyl)-2-pyridinyl]amino]-5-methyl- 6-acetyl-8-cyclopentyl-2-((5-(4-hydroxypiperazin-1-yl)pyridin-2-yl)amino)-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one N-Hydroxy Palbociclib 6-Acetyl-8-cyclopentyl-2-((5-(4-hydroxypiperazin-1-yl)pyridin-2-yl)amino)-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity) 6-acetyl-8-cyclopentyl-5-methyl-2-((5-(4-oxo-4l4-piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one Palbociclib N-Hydroxy Piperazine 2231085-26-8