AN-2728 - Moligand™, ≥98% , Phosphodiesterase 4 inhibitor, CAS No.906673-24-3, Phosphodiesterase 4 inhibitor

CAS: 906673-24-3 Cat. No.: A127102 Molecular Weight: 251.05 EC Number: 696-120-1

GRADE & PURITY Moligand™, ≥98%

Synonyms

AN2728 | AN 2728 | C90571 | Crisaborole (USAN/INN) | Kemester HMS | Phenyl salicylate, >=99%, FG | TQP0866 | PF-06930164 | STR02399 | 1,3-dichloro-5,5-dimethyl-hydantoin | Eucrisa | AC-30331 | CRISABOROLE [MI] | NCGC00345792-01 | AKOS016005425 | C14H10BNO

Storage

Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Specifications

Synonyms

AN2728 | AN 2728 | C90571 | Crisaborole (USAN/INN) | Kemester HMS | Phenyl salicylate, >=99%, FG | TQP0866 | PF-06930164 | STR02399 | 1, 3-dichloro-5, 5-dimethyl-hydantoin | Eucrisa | AC-30331 | CRISABOROLE [MI] | NCGC00345792-01 | AKOS016005425 | C14H10BNO

Specifications & Purity

Moligand™, ≥98%

Biochemical and Physiological Mechanisms

AN-2728 is a topically administered, boron-containing, anti-inflammatory compound that inhibits PDE4 activity and thereby suppresses the release of TNFalpha, IL-12, IL-23 and other cytokines. AN-2728 appears to have good therapeutic poten

Storage

Store at -20°C, Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Moligand™

Action Type

INHIBITOR

Mechanism of action

Phosphodiesterase 4 inhibitor

Purity

≥98%

Names and Identifiers

• Canonical Smiles: B1(C2=C(CO1)C=C(C=C2)OC3=CC=C(C=C3)C#N)O
• IUPAC Name: 4-[(1-hydroxy-3H-2,1-benzoxaborol-5-yl)oxy]benzonitrile
• InChIKey: USZAGAREISWJDP-UHFFFAOYSA-N
• INCHI: 1S/C14H10BNO3/c16-8-10-1-3-12(4-2-10)19-13-5-6-14-11(7-13)9-18-15(14)17/h1-7,17H,9H2
• Isomeric SMILES: B1(C2=C(CO1)C=C(C=C2)OC3=CC=C(C=C3)C#N)O
• Alternate CAS: 906673-24-3
• MeSH Entry Terms: 5-(4-cyanophenoxy)-2,3-dihydro-1-hydroxy-2,1-benzoxaborole;AN-2728;AN2728;crisaborole;Eucrisa
• Molecular Weight: 251.05
• Reaxy-Rn: 11622826
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11622826&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organic oxygen compounds
    • Class Organooxygen compounds
      • Subclass Ethers

• Kingdom: Organic compounds
• Superclass: Organic oxygen compounds
• Class: Organooxygen compounds
• Subclass: Ethers
• Intermediate Tree Nodes: Not available
• Direct Parent: Diarylethers
• Alternative Parents: Phenoxy compounds Phenol ethers Benzonitriles Oxaborole derivatives Boronic acid esters Oxacyclic compounds Organic metalloid salts Nitriles Organometalloid compounds Hydrocarbon derivatives
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: Diaryl ether - Phenoxy compound - Benzonitrile - Phenol ether - Monocyclic benzene moiety - Benzenoid - Boronic acid ester - 1,2-oxaborole derivative - Boronic acid derivative - Oxacycle - Nitrile - Carbonitrile - Organic metalloid salt - Organoheterocyclic compound - Organic nitrogen compound - Organonitrogen compound - Organic metalloid moeity - Hydrocarbon derivative - Cyanide - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as diarylethers. These are organic compounds containing the dialkyl ether functional group, with the formula ROR', where R and R' are aryl groups.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

PDE7A Tclin High affinity cAMP-specific 3',5'-cyclic phosphodiesterase 7A (2 Activities)

Discover Target: PDE7A

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE4D Tclin cAMP-specific 3',5'-cyclic phosphodiesterase 4D (1 Activities)

Discover Target: PDE4D

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE4C Tclin cAMP-specific 3',5'-cyclic phosphodiesterase 4C (1 Activities)

Discover Target: PDE4C

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE4A Tclin cAMP-specific 3',5'-cyclic phosphodiesterase 4A (1 Activities)

Discover Target: PDE4A

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE4B Tclin cAMP-specific 3',5'-cyclic phosphodiesterase 4B (3 Activities)

Discover Target: PDE4B

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE1A Tclin Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1A (1 Activities)

Discover Target: PDE1A

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PDE5A Tclin Phosphodiesterase 5A (5113 Activities)

Discover Target: PDE5A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

F2 Tclin Thrombin (11687 Activities)

Discover Target: F2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ESR1 Tclin Estrogen receptor alpha (17718 Activities)

Discover Target: ESR1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PGR Tclin Progesterone receptor (8562 Activities)

Discover Target: PGR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)

Discover Target: CHRM2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)

Discover Target: HTR1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)

Discover Target: ADRA2A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AR Tclin Androgen Receptor (11781 Activities)

Discover Target: AR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)

Discover Target: CHRM1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GABRA1 Tclin GABA receptor alpha-1 subunit (399 Activities)

Discover Target: GABRA1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MAOA Tclin Monoamine oxidase A (11911 Activities)

Discover Target: MAOA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DRD1 Tclin Dopamine D1 receptor (9720 Activities)

Discover Target: DRD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ACHE Tclin Acetylcholinesterase (18204 Activities)

Discover Target: ACHE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)

Discover Target: PTGS1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A2 Tclin Norepinephrine transporter (10102 Activities)

Discover Target: SLC6A2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A4 Tclin Serotonin transporter (12625 Activities)

Discover Target: SLC6A4

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)

Discover Target: ADRA1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

OPRM1 Tclin Mu opioid receptor (19785 Activities)

Discover Target: OPRM1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DRD3 Tclin Dopamine D3 receptor (14368 Activities)

Discover Target: DRD3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SLC6A3 Tclin Dopamine transporter (10535 Activities)

Discover Target: SLC6A3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KCNH2 Tclin HERG (29587 Activities)

Discover Target: KCNH2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE3A Tclin Phosphodiesterase 3A (3309 Activities)

Discover Target: PDE3A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)

Discover Target: HTR2B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)

Discover Target: TBXA2R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE4A Tclin Phosphodiesterase 4A (1943 Activities)

Discover Target: PDE4A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ADORA3 Tchem Adenosine A3 receptor (15931 Activities)

Discover Target: ADORA3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE1A Tclin Phosphodiesterase 1A (251 Activities)

Discover Target: PDE1A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HRH3 Tclin Histamine H3 receptor (10389 Activities)

Discover Target: HRH3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE1B Tclin Phosphodiesterase 1B (178 Activities)

Discover Target: PDE1B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE4B Tclin Phosphodiesterase 4B (2748 Activities)

Discover Target: PDE4B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KDR Tclin Vascular endothelial growth factor receptor 2 (20924 Activities)

Discover Target: KDR

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE1C Tclin Phosphodiesterase 1C (228 Activities)

Discover Target: PDE1C

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE3B Tclin Phosphodiesterase 3B (312 Activities)

Discover Target: PDE3B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE4C Tclin Phosphodiesterase 4C (258 Activities)

Discover Target: PDE4C

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE7A Tclin Phosphodiesterase 7A (1104 Activities)

Discover Target: PDE7A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE11A Tchem Phosphodiesterase 11A (449 Activities)

Discover Target: PDE11A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE9A Tchem Phosphodiesterase 9A (1131 Activities)

Discover Target: PDE9A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE10A Tclin Phosphodiesterase 10A (5542 Activities)

Discover Target: PDE10A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PBMC (10003 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

NLRP3 Tchem NACHT, LRR and PYD domains-containing protein 3 (908 Activities)

Discover Target: NLRP3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE4A Tclin Phosphodiesterase 4 (3344 Activities)

Discover Target: PDE4A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE3A Tclin Phosphodiesterase 3 (1749 Activities)

Discover Target: PDE3A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE8B Tclin Phosphodiesterase 8 (19 Activities)

Discover Target: PDE8B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

blaZ Beta-lactamase (285 Activities)

Discover Target: blaZ

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE2A Phosphodiesterase 2A (77 Activities)

Discover Target: PDE2A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Pde4d Phosphodiesterase 4D (4 Activities)

Discover Target: Pde4d

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Hdac6 Histone deacetylase 6 (222 Activities)

Discover Target: Hdac6

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mus musculus (284745 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

L929 (3802 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

rep Replicase polyprotein 1ab (378 Activities)

Discover Target: rep

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PDE6B Phosphodiesterase 6 (112 Activities)

Discover Target: PDE6B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SARS-CoV-2 (38078 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Solubility: DMSO
• Sensitivity: Moisture sensitive.
• Melt Point(°C): >130°C (softened)
• Molecular Weight: 251.050 g/mol
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 251.075 Da
• Monoisotopic Mass: 251.075 Da
• Topological Polar Surface Area: 62.500 Ų
• Heavy Atom Count: 19
• Formal Charge: 0
• Complexity: 361.000
• 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: 1

XLogP3

References

1. Gang Li, Pengqi Zhu, Caifang Gao, Ye Cai, Ru Feng, Jinghua Sun, Ruiping Zhang.  (2025)  Hydroxypropyl-β-cyclodextrin Co-delivery Hydrogel of Crisaborole and Curcumin for Combinational Antioxidant/Anti-inflammatory Therapy of Vitiligo.  Materials Today Bio,      [PMID:41560837] [10.1016/j.mtbio.2025.102728]