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

MedKoo CAT#: 522521

CAS#: 433695-36-4

Description: BRL-50481 is a drug developed by GlaxoSmithKline which is the first compound that acts as a phosphodiesterase inhibitor selective for the PDE7 subtype. It has been shown to increase mineralisation activity in osteoblasts, suggesting a potential role for PDE7 inhibitors in the treatment of osteoporosis.

Chemical Structure

CAS# 433695-36-4

Theoretical Analysis

MedKoo Cat#: 522521
Name: BRL-50481
CAS#: 433695-36-4
Chemical Formula: C9H12N2O4S
Exact Mass: 244.0518
Molecular Weight: 244.27
Elemental Analysis: C, 44.25; H, 4.95; N, 11.47; O, 26.20; S, 13.13

Size Price Shipping out time Quantity
10mg USD 150 2 Weeks
25mg USD 250 2 Weeks
50mg USD 450 2 Weeks
100mg USD 650 2 Weeks
200mg USD 950 2 Weeks
500mg USD 1450 2 Weeks
1g USD 2450 2 Weeks
2g USD 3850 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-03-05. Prices are subject to change without notice.

BRL-50481, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Synonym: BRL-50481; BRL 50481; BRL50481.

IUPAC/Chemical Name: N,N,2-Trimethyl-5-nitro-benzenesulfonamide


InChi Code: InChI=1S/C9H12N2O4S/c1-7-4-5-8(11(12)13)6-9(7)16(14,15)10(2)3/h4-6H,1-3H3

SMILES Code: O=S(C1=CC([N+]([O-])=O)=CC=C1C)(N(C)C)=O

Solid powder

>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).

Soluble in DMSO, not in water

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:

Handling Instructions:

Preparing Stock Solutions

The following data is based on the product molecular weight 244.27 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.

Select a batch to recalculate based on the batch molecular weight:
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: Kaneda T, Kido Y, Tajima T, Urakawa N, Shimizu K. PDE4 and PDE5 regulate cyclic nucleotide contents and relaxing effects on carbachol-induced contraction in the bovine abomasum. J Vet Med Sci. 2015 Jan;77(1):15-9. doi: 10.1292/jvms.14-0248. Epub 2014 Oct 15. PubMed PMID: 25319411; PubMed Central PMCID: PMC4349533.

2: Monzel M, Kuhn M, Bähre H, Seifert R, Schneider EH. PDE7A1 hydrolyzes cCMP. FEBS Lett. 2014 Sep 17;588(18):3469-74. doi: 10.1016/j.febslet.2014.08.005. Epub 2014 Aug 13. PubMed PMID: 25128584.

3: Medina-Rodríguez EM, Arenzana FJ, Pastor J, Redondo M, Palomo V, García de Sola R, Gil C, Martínez A, Bribián A, de Castro F. Inhibition of endogenous phosphodiesterase 7 promotes oligodendrocyte precursor differentiation and survival. Cell Mol Life Sci. 2013 Sep;70(18):3449-62. doi: 10.1007/s00018-013-1340-2. Epub 2013 May 10. PubMed PMID: 23661015.

4: Zhai K, Hubert F, Nicolas V, Ji G, Fischmeister R, Leblais V. β-Adrenergic cAMP signals are predominantly regulated by phosphodiesterase type 4 in cultured adult rat aortic smooth muscle cells. PLoS One. 2012;7(10):e47826. doi: 10.1371/journal.pone.0047826. Epub 2012 Oct 18. PubMed PMID: 23094097; PubMed Central PMCID: PMC3475707.

5: Wunder F, Gnoth MJ, Geerts A, Barufe D. A novel PDE2A reporter cell line: characterization of the cellular activity of PDE inhibitors. Mol Pharm. 2009 Jan-Feb;6(1):326-36. doi: 10.1021/mp800127n. PubMed PMID: 19049345.

6: Zhang L, Murray F, Zahno A, Kanter JR, Chou D, Suda R, Fenlon M, Rassenti L, Cottam H, Kipps TJ, Insel PA. Cyclic nucleotide phosphodiesterase profiling reveals increased expression of phosphodiesterase 7B in chronic lymphocytic leukemia. Proc Natl Acad Sci U S A. 2008 Dec 9;105(49):19532-7. doi: 10.1073/pnas.0806152105. Epub 2008 Nov 25. PubMed PMID: 19033455; PubMed Central PMCID: PMC2614795.

7: Pekkinen M, Ahlström ME, Riehle U, Huttunen MM, Lamberg-Allardt CJ. Effects of phosphodiesterase 7 inhibition by RNA interference on the gene expression and differentiation of human mesenchymal stem cell-derived osteoblasts. Bone. 2008 Jul;43(1):84-91. doi: 10.1016/j.bone.2008.02.021. Epub 2008 Mar 12. PubMed PMID: 18420479.

8: Jackson EK, Ren J, Zacharia LC, Mi Z. Characterization of renal ecto-phosphodiesterase. J Pharmacol Exp Ther. 2007 May;321(2):810-5. Epub 2007 Feb 16. PubMed PMID: 17308037.

9: Smith SJ, Cieslinski LB, Newton R, Donnelly LE, Fenwick PS, Nicholson AG, Barnes PJ, Barnette MS, Giembycz MA. Discovery of BRL 50481 [3-(N,N-dimethylsulfonamido)-4-methyl-nitrobenzene], a selective inhibitor of phosphodiesterase 7: in vitro studies in human monocytes, lung macrophages, and CD8+ T-lymphocytes. Mol Pharmacol. 2004 Dec;66(6):1679-89. Epub 2004 Sep 15. PubMed PMID: 15371556.