R&D Systems

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Mdivi 1, Tocris™

Chemical Name or Material: Mdivi 1 Assay Percent Range: >98% Molecular Formula: C15H10Cl2N2O2S Formula Weight: 353.22 Synonym: 3-(2, 4-Dichloro-5-methoxyphenyl)-2, 3-dihydro-2-thioxo-4(1H)-quinazolinone

CHM 1, Tocris™

Chemical Name or Material: CHM 1 Assay Percent Range: >99% Molecular Formula: C16H10FNO3 Formula Weight: 283.25 Synonym: 6-(2-Fluorophenyl)-1, 3-dioxolo[4, 5-g]quinolin-8(5H)-one

PSB 0739, Tocris™

Chemical Name or Material: PSB 0739 Assay Percent Range: >96% Molecular Formula: C26H17N3Na2O8S2 Formula Weight: 609.54 Synonym: 1-Amino-9, 10-dihydro-9, 10-dioxo-4-[[4-(phenylamino)-3-sulfophenyl]amino]-2-anthracenesulfonic acid sodium salt

DL-AP7, Tocris

Chemical Name or Material: DL-AP7 Assay Percent Range: >98% Molecular Formula: C7H16NO5P Formula Weight: 225.18 Synonym: DL-2-Amino-7-phosphonoheptanoic acid

MRS 2179 tetrasodium salt, Tocris

Chemical Name or Material: MRS 2179 tetrasodium salt Assay Percent Range: >98% Molecular Formula: C11H13N5O9P2Na4 Formula Weight: 513.16 Synonym: 2'-Deoxy-N6-methyladenosine 3', 5'-bisphosphate tetrasodium salt

SR 58611A hydrochloride, Tocris™

Chemical Name or Material: SR 58611A hydrochloride Assay Percent Range: >98% Molecular Formula: C22H26ClNO4·HCl Formula Weight: 440.36 Synonym: [[(7S)-7-[[(2R)-2-(3-chlorophenyl)-2-hydroxyethyl]amino]-5,6,7,8-tetrahydro-2-naphthalenyl]ox]yacetic acid ethyl ester hydrochloride


Featured Products

Recombinant and Natural Bioactive Proteins

  • Tested with relevant bioassays to demonstrate biological activity
  • Refolded properly
  • Confirrmed high purity
  • Consistent from lot-to-lot
  • Contain low endotoxin levels
  • Also available as Animal-Free and GMP-grade

Application Qualified Antibodies

  • Raised against mature, full-length, and biologically-active proteins
  • Manufactured in R&D Systems laboratories
  • Validated by R&D Systems scientists for up to ten applications
  • Conjugated to an extensive selection of fluorochromes and non-fluorescent labels

Quantikine™ ELISAs

  • The most referenced ELISAs
  • Tested extensively for cross-reactivity
  • Provides accuracy, sensitivity and specificity
  • Consistent from lot-to-lot
  • Manufactured at R&D Systems for full-control over development and quality control


Special Offers

About R&D Systems

A leading supplier of cell biology reagents with over 25 years of experience servicing the research community, R&D Systems develops and manufactures more than 95% of their products. All materials are controlled to ensure that R&D Systems meets the standards vital to delivering the highest quality products.


Tocris is a high-quality provider of biologically active, small molecules. They offer a unique collection of over 3,000 life science biological research products with strengths in neuroscience and cell signaling. The product range comprises small molecule and peptide agonists, antagonists and inhibitors, as well as controlled substances, toxins, caged compounds, fluorescent probes, screening libraries and ligand sets useful in many research areas.


Boston Biochem, Inc. is the leading global producer of ubiquitin-related research products. Boston Biochem specializes in several related product lines for ubiquitin and ubiquitin-like (UBL) proteins (e.g. Apg8, FAT10, ISG15, NEDD8, SUMO, UFM1) and associated enzymes, substrates, inhibitors and kits.