PF-04447943 , Phosphodiesterase 9A inhibitor, CAS No.1082744-20-4, Phosphodiesterase 9A inhibitor

CAS: 1082744-20-4 Cat. No.: P127232 Molecular Weight: 395.46
AVAILABLE TO ORDER
Synonyms
6-[(3s,4s)-4-Methyl-1-(Pyrimidin-2-Ylmethyl)pyrrolidin-3-Yl]-1-(Tetrahydro-2h-Pyran-4-Yl)-1,5-Dihydro-4h-Pyrazolo[3,4-D]pyrimidin-4-One | 7RG | 6-((3S,4S)-4-Methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazo
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
P127232-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$205.90
10mg
P127232-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$325.90
Enter a quantity for the sizes you want to add.
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
6-[(3s, 4s)-4-Methyl-1-(Pyrimidin-2-Ylmethyl)pyrrolidin-3-Yl]-1-(Tetrahydro-2h-Pyran-4-Yl)-1, 5-Dihydro-4h-Pyrazolo[3, 4-D]pyrimidin-4-One | 7RG | 6-((3S, 4S)-4-Methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl)-1-(tetrahydro-2H-pyran-4-yl)-1, 5-dihydro-4H-pyrazo
Biochemical and Physiological Mechanisms

PF-04447943 is a potent, selective brain penetrant PDE9 inhibitor that increased indicators of hippocampal synaptic plasticity and improved cognitive function in a variety of cognition models in both rats and mice. PF-04447943 was found t

Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Mechanism of action
Phosphodiesterase 9A inhibitor
Names and Identifiers
Canonical SmilesCC1CN(CC1C2=NC3=C(C=NN3C4CCOCC4)C(=O)N2)CC5=NC=CC=N5
IUPAC Name6-[(3S,4S)-4-methyl-1-(pyrimidin-2-ylmethyl)pyrrolidin-3-yl]-1-(oxan-4-yl)-5H-pyrazolo[3,4-d]pyrimidin-4-one
InChIKeyIWXUVYOOUMLUTQ-CZUORRHYSA-N
INCHI1S/C20H25N7O2/c1-13-10-26(12-17-21-5-2-6-22-17)11-16(13)18-24-19-15(20(28)25-18)9-23-27(19)14-3-7-29-8-4-14/h2,5-6,9,13-14,16H,3-4,7-8,10-12H2,1H3,(H,24,25,28)/t13-,16-/m1/s1
Isomeric SMILES C[C@@H]1CN(C[C@H]1C2=NC3=C(C=NN3C4CCOCC4)C(=O)N2)CC5=NC=CC=N5
Molecular Weight 395.46
Reaxy-Rn 33408648
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=33408648&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyrazolopyrimidines
SubclassPyrazolo[3,4-d]pyrimidines
Intermediate Tree Nodes Not available
Direct ParentPyrazolo[3,4-d]pyrimidines
Alternative Parents Pyrimidones  Aralkylamines  Oxanes  N-alkylpyrrolidines  Vinylogous amides  Pyrazoles  Heteroaromatic compounds  Trialkylamines  Lactams  Oxacyclic compounds  Dialkyl ethers  Azacyclic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pyrazolo[3,4-d]pyrimidine - Pyrimidone - Aralkylamine - Oxane - Pyrimidine - N-alkylpyrrolidine - Azole - Pyrazole - Heteroaromatic compound - Vinylogous amide - Pyrrolidine - Lactam - Tertiary aliphatic amine - Tertiary amine - Dialkyl ether - Ether - Oxacycle - Azacycle - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic nitrogen compound - Amine - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazolo[3,4-d]pyrimidines. These are aromatic heterocyclic compounds containing a pyrazolo[3,4-d]pyrimidine ring system, which consists of a pyrazole ring fused to but and not sharing a nitrogen atom with a pyrimidine ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PDE9A Tchem High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
PDE5A Tclin Phosphodiesterase 5A (5113 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE3A Tclin Phosphodiesterase 3A (3309 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE7B Tclin Phosphodiesterase 7B (96 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE1C Tclin Phosphodiesterase 1C (228 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE4C Tclin Phosphodiesterase 4C (258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE9A Tchem Phosphodiesterase 9A (1131 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Homo sapiens (32628 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE8B Tclin Phosphodiesterase 8B (190 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Liver microsomes (16955 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Canis familiaris (36305 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Brain (1 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pde9a High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A (101 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
SolubilityDMSO
Molecular Weight395.500 g/mol
XLogP30.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count7
Rotatable Bond Count4
Exact Mass395.207 Da
Monoisotopic Mass395.207 Da
Topological Polar Surface Area97.500 Ų
Heavy Atom Count29
Formal Charge0
Complexity632.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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