Determine the necessary mass, volume, or concentration for preparing a solution.
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Palbociclib (PD0332991) Isethionate is a highly selective inhibitor of CDK4/6 with IC50 of 11 nM/16 nM. It shows no activity against CDK1/2/5, EGFR, FGFR, PDGFR, InsR, etc. Phase 3.
| Pubchem Sid | 504766472 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504766472 |
| Canonical Smiles | CC1=C(C(=O)N(C2=NC(=NC=C12)NC3=NC=C(C=C3)N4CCNCC4)C5CCCC5)C(=O)C.C(CS(=O)(=O)O)O |
| IUPAC Name | 6-acetyl-8-cyclopentyl-5-methyl-2-[(5-piperazin-1-ylpyridin-2-yl)amino]pyrido[2,3-d]pyrimidin-7-one;2-hydroxyethanesulfonic acid |
| InChIKey | LYYVFHRFIJKPOV-UHFFFAOYSA-N |
| INCHI | 1S/C24H29N7O2.C2H6O4S/c1-15-19-14-27-24(28-20-8-7-18(13-26-20)30-11-9-25-10-12-30)29-22(19)31(17-5-3-4-6-17)23(33)21(15)16(2)32;3-1-2-7(4,5)6/h7-8,13-14,17,25H,3-6,9-12H2,1-2H3,(H,26,27,28,29);3H,1-2H2,(H,4,5,6) |
| Isomeric SMILES | CC1=C(C(=O)N(C2=NC(=NC=C12)NC3=NC=C(C=C3)N4CCNCC4)C5CCCC5)C(=O)C.C(CS(=O)(=O)O)O |
| WGK Germany | 3 |
| Molecular Weight | 573.66 |
| Reaxy-Rn | 13079983 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13079983&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Diazinanes |
| Subclass | Piperazines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridinylpiperazines |
| Alternative Parents | N-arylpiperazines Pyrido[2,3-d]pyrimidines Dialkylarylamines Aryl alkyl ketones Pyridinones Aminopyridines and derivatives Methylpyridines Aminopyrimidines and derivatives Imidolactams Vinylogous amides Sulfonyls Alkanesulfonic acids Organosulfonic acids Heteroaromatic compounds Lactams Dialkylamines Azacyclic compounds Hydrocarbon derivatives Primary alcohols Organic oxides |
| Molecular Framework | Not available |
| Substituents | Pyridinylpiperazine - N-arylpiperazine - Pyrido[2,3-d]pyrimidine - Pyridopyrimidine - Dialkylarylamine - Aryl alkyl ketone - Aryl ketone - Tertiary aliphatic/aromatic amine - Aminopyridine - Aminopyrimidine - Methylpyridine - Pyridinone - Pyridine - Pyrimidine - Imidolactam - Heteroaromatic compound - Vinylogous amide - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - Tertiary amine - Ketone - Lactam - Azacycle - Secondary aliphatic amine - Secondary amine - Amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary alcohol - Organic oxide - Organic nitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Alcohol - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridinylpiperazines. These are compounds containing a pyridinylpiperazine skeleton, which consists of a pyridine linked (not fused) to a piperazine by a bond by a single bond that is not part of a ring. |
| External Descriptors | Not available |
| Solubility | DMSO <1 mg/mL (<1 mM); Water 50 mg/mL heating (87.15 mM); Ethanol <1 mg/mL (<1 mM) |
|---|---|
| Molecular Weight | 573.700 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 7 |
| Exact Mass | 573.237 Da |
| Monoisotopic Mass | 573.237 Da |
| Topological Polar Surface Area | 186.000 Ų |
| Heavy Atom Count | 40 |
| Formal Charge | 0 |
| Complexity | 892.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |