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

MedKoo CAT#: 532481

CAS#: 152529-79-8 (acid)

Description: PSB1115 is a highly selective, water-soluble, human A2B adenosine receptor antagonist. PSB1115 has Ki values are 53.4, > 10000 and > 10000 nM at human A2B, A1 and A3 receptors respectively. It produces potent analgesic effects in vivo.

Chemical Structure

CAS# 152529-79-8 (acid)

Theoretical Analysis

MedKoo Cat#: 532481
Name: PSB1115
CAS#: 152529-79-8 (acid)
Chemical Formula: C14H14N4O5S
Exact Mass: 350.0685
Molecular Weight: 350.35
Elemental Analysis: C, 48.00; H, 4.03; N, 15.99; O, 22.83; S, 9.15

Price and Availability

Size Price Availability Quantity
10.0mg USD 325.0 2 Weeks
50.0mg USD 1150.0 2 Weeks
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Related CAS #: 409344-71-4 (potassium)   152529-79-8 (acid)    

Synonym: PSB1115; PSB 1115; PSB-1115.

IUPAC/Chemical Name: 4-(2,6-dioxo-1-propyl-1,2,3,6-tetrahydropurin-8-yl)benzene-1-sulfonic acid


InChi Code: InChI=1S/C14H14N4O5S/c1-2-7-18-13(19)10-12(17-14(18)20)16-11(15-10)8-3-5-9(6-4-8)24(21,22)23/h3-6H,2,7H2,1H3,(H,15,16)(H,17,20)(H,21,22,23)

SMILES Code: O=S(C1=CC=C(C(N2)=NC(NC(N3CCC)=O)=C2C3=O)C=C1)(O)=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

Preparing Stock Solutions

The following data is based on the product molecular weight 350.35 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

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1. Abo-Salem et al (2004) Antinociceptive effects of novel A2B adenosine receptor antagonists. J.Pharmacol.Exp.Ther. 308 358. PMID: 14563788.

2. Yan and Muller (2004) Preparation, properties, reactions, and adenosine receptor affinities of sulfophenylxanthine nitrophenyl esters: toward the development of sulfonic acid prodrugs with peroral bioavailability. J.Med.Chem. 47 1031. PMID: 14761205.


10.0mg / USD 325.0