WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 532478

CAS#: 1027513-54-7

Description: PSB-0788 is a potent and selective adenosine A2B receptor antagonist (IC50 = 3.64 nM at human A2B receptors). PSB-0788 displays > 100-fold selectivity over hA1, hA2A and hA3 receptors.

Chemical Structure

CAS# 1027513-54-7

Theoretical Analysis

MedKoo Cat#: 532478
Name: PSB-0788
CAS#: 1027513-54-7
Chemical Formula: C25H27ClN6O4S
Exact Mass: 542.15
Molecular Weight: 543.040
Elemental Analysis: C, 55.30; H, 5.01; Cl, 6.53; N, 15.48; O, 11.78; S, 5.90

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: PSB-0788; PSB 0788; PSB0788.

IUPAC/Chemical Name: 8-(4-{4-[(4-chlorophenyl)methyl]piperazine-1-sulfonyl}phenyl)-1-propyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione


InChi Code: InChI=1S/C25H27ClN6O4S/c1-2-11-32-24(33)21-23(29-25(32)34)28-22(27-21)18-5-9-20(10-6-18)37(35,36)31-14-12-30(13-15-31)16-17-3-7-19(26)8-4-17/h3-10H,2,11-16H2,1H3,(H,27,28)(H,29,34)

SMILES Code: O=C(N1CCC)NC2=C(NC(C3=CC=C(S(=O)(N4CCN(CC5=CC=C(Cl)C=C5)CC4)=O)C=C3)=N2)C1=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 543.04 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: Arsyad A, Dobson GP. Lidocaine relaxation in isolated rat aortic rings is enhanced by endothelial removal: possible role of K(v), K(ATP) channels and A(2a) receptor crosstalk. BMC Anesthesiol. 2016 Dec 3;16(1):121. PubMed PMID: 27914476; PubMed Central PMCID: PMC5135802.

2: Arsyad A, Dobson GP. Adenosine relaxation in isolated rat aortic rings and possible roles of smooth muscle Kv channels, KATP channels and A2a receptors. BMC Pharmacol Toxicol. 2016 May 23;17(1):23. doi: 10.1186/s40360-016-0067-8. PubMed PMID: 27211886; PubMed Central PMCID: PMC4876563.

3: Borrmann T, Hinz S, Bertarelli DC, Li W, Florin NC, Scheiff AB, Müller CE. 1-alkyl-8-(piperazine-1-sulfonyl)phenylxanthines: development and characterization of adenosine A2B receptor antagonists and a new radioligand with subnanomolar affinity and subtype specificity. J Med Chem. 2009 Jul 9;52(13):3994-4006. doi: 10.1021/jm900413e. PubMed PMID: 19569717.