Rhein-13C4

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Rhein-¹³C₄

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Cat No: 28803

Biochemicals - Isotopically Labeled Standards

Rhein-13C4 is intended for use as an internal standard for the quantification of rhein (Item No. 17345) by GC- or LC-MS. Rhein is an anthraquinone derivative that has been found in R. rhabarbarum and a metabolite of diacerein (Item No. 11710) that has...

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Territorial Availability: Available through Bertin Technologies only in France

Synonyms:

9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracene-1,3,4-13C3-carboxylic acid-13C

Correlated keywords:

1189928-10-6 GCMS LCMS antiinflammatory IL1? NF?B MMP1 MMP13 IKK ? IL6 lipopolysaccharide TNF? HMBG ?cell NSC 38629 NSC38629

Product Overview:
Rhein-13C4 is intended for use as an internal standard for the quantification of rhein (Item No. 17345) by GC- or LC-MS. Rhein is an anthraquinone derivative that has been found in R. rhabarbarum and a metabolite of diacerein (Item No. 11710) that has diverse biological activities, including anticancer, antioxidant, and anti-inflammatory activities.{46596,46597,28413,28415} It induces cell cycle arrest at the S phase and inhibits the proliferation of HepG2 cells when used at concentrations of 40 and 100 µM, respectively.{46597} Rhein (100 and 200 µM) also inhibits proliferation of MCF-7 and MDA-MB-435s breast cancer cells under normoxic and hypoxic conditions.{28413} It reduces controlled cortical impact-induced decreases in catalase and superoxide dismutase (SOD) activity and malondialdehyde (MDA), glutathione, and glutathione disulfide levels in the brain in a rat model of traumatic brain injury when administered at a dose of 12 mg/kg.{46596} Rhein (50 mg/kg per day) reduces increased serum TNF-α, IL-1β, and amylase levels, as well as reduces pancreatic glandular atrophy and fibrosis, in a mouse model of chronic pancreatitis induced by cerulein.{28415}

Size	1 mg
Shipping	dry ice
Molecular Formula	C₁₁[¹³C₄]H₈O₆
SMILES	O=C1C2=C([13CH]=C([13C](O)=O)[13CH]=[13C]2O)C(C3=CC=CC(O)=C31)=O
Molecular Weight	288,2
Formulation	A solid
Purity	≥90%
Custom Code	3822.19
UNSPSC code	12352100

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Cayman Chemical's mission is to help make research possible by supplying scientists worldwide with the basic research tools necessary for advancing human and animal health. Our utmost commitment to healthcare researchers is to offer the highest quality products with an affordable pricing policy.

Our scientists are experts in the synthesis, purification, and characterization of biochemicals ranging from small drug-like heterocycles to complex biolipids, fatty acids, and many others. We are also highly skilled in all aspects of assay and antibody development, protein expression, crystallization, and structure determination.

Over the past thirty years, Cayman developed a deep knowledge base in lipid biochemistry, including research involving the arachidonic acid cascade, inositol phosphates, and cannabinoids. This knowledge enabled the production of reagents of exceptional quality for cancer, oxidative injury, epigenetics, neuroscience, inflammation, metabolism, and many additional lines of research.

Our organic and analytical chemists specialize in the rapid development of manufacturing processes and analytical methods to carry out clinical and commercial GMP-API production. Pre-clinical drug discovery efforts are currently underway in the areas of bone restoration and repair, muscular dystrophy, oncology, and inflammation. A separate group of Ph.D.-level scientists are dedicated to offering Hit-to-Lead Discovery and Profiling Services for epigenetic targets. Our knowledgeable chemists can be contracted to perform complete sample analysis for analytes measured by the majority of our assays. We also offer a wide range of analytical services using LC-MS/MS, HPLC, GC, and many other techniques.

Accreditations
ISO/IEC 17025:2005
ISO Guide 34:2009

Cayman is a leader in the field of emerging drugs of abuse, providing high-purity Schedule I-V Controlled Substances to federally-licensed laboratories and qualified academic research institutions for forensic analyses. We are certified by ACLASS Accreditation Services with dual accreditation to ISO/IEC 17025:2005 and ISO Guide 34:2009.