Sigma-Aldrich® Product Portfolio
`
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`
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`
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`Fluorescence Spectroscopy
`Light & Electron Microscopy
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`Nucleic Acid Purification
`Protein Purification & Detection
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`PRODUCT BRANDS
`
`APPLICATIONS
`
`0001
`
`PARAGON - EXHIBIT 2038
`
`

`
`Analytical
`
`Analytical
`
`TraceSELECT®
`
`TraceCERT®
`
`Life Science
`
`BioUltra
`
`Fast and easy access to the correct product quality
`Application
`Brand
`Grade or Trade Name
`Defi nition
`Analytical
`TraceSELECT® Ultra
`Highest analytical grade for ultra-trace analysis. Designed for the ultra-trace
`analysis at ppb and even ppt levels. Typical metal trace impurities are below
`0.1 μg/kg (<0.1 ppb), in some cases even as low as the ppq level.
`High purity reagents for inorganic trace analysis applications and organic residue
`analysis. Developed for sample preparation and analysis in the ppm and ppb
`level. The blank values for metal traces are typically below 0.01 mg/kg (0.01 ppm).
`Certifi ed reference material according to ISO 17025 and ISO Guide 34.
`TraceCERT reference materials are developed and produced in an accredited
`laboratory fulfi lling both ISO 17025 (general requirements for the competence
`of testing and calibration laboratories) and ISO Guide 34 (general requirements
`for the competence of reference material producers).
`Finest quality products for life science, with the most stringent testing protocols
`and highest purity. Superior manufacturing methods and product specifi c
`testing protocols are designed to ensure quality to our highest standard. Tests
`may include, but are not limited to, purity by gel electrophoresis, trace metal
`testing and application testing.
`Stringent testing protocols may include trace metal analysis and specialized
`suitability testing, such as hybridoma or mouse embryo. Includes application-
`specifi c formulations, such as tablets and prepared solutions.
`Base grade products, suitability tested for specifi c applications such as
`molecular biology or cell culture.
`Sigma brand products used for basic life science applications.
`
`Life Science
`
`Life Science
`
`Life Science
`
`BioXtra
`
`BioReagent
`
`% purity
`
`Chemistry
`
`Chemistry
`
`All
`
`All
`
`All
`
`All
`
`All
`
`All
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`All
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`Anhydrous
`
`% purity
`
`CHROMASOLV®
`
`High-purity solvents with extremely low water content specifi cally
`manufactured for moisture sensitive syntheses.
`
`High quality chemistry products defi ned by their assay value as a percent purity.
`
`Solvents tested for suitability in HPLC applications. Highest quality solvents used
`in LC-MS and LC-NMR are branded Fluka.
`
`puriss p.a., ACS reagent
`
`Exceeds standard ACS specifi cations with additional trace metals analysis.
`
`ACS reagent
`
`Corresponds to offi cial
`monograph (e.g. Ph.Eur, USP)
`Meets analytical specifi cations
`of USP, FCC, NF, EP (Ph. Eur.),
`BP, and/or JP.
`
`ReagentPlus® or Laboratory
`reagent
`Technical
`
`Meets or exceeds ACS specifi cations. For general analysis and procedures
`requiring stringent quality specifi cations.
`Produced/procured, packaged and analyzed under appropriate quality systems
`for pharmaceutical applications acc. to the corresponding monograph
`Chemicals that meet the latest testing specifi cations of the United States
`Pharmacopeia (USP), Food Chemicals Codex (FCC), National Formulary (NF),
`Pharmacopeia Europe (EP or Ph. Eur.), British Pharmacopeia (BP), and/or
`Japanese Pharmacopeia (JP). For R&D and testing purposes only.
`≥95% for general laboratory use.
`
`Chemicals that do not have an established standard set for quality and
`impurity levels or for products where the purity is <90%. Variation in color and
`shape is possible.
`
`In addition, Sigma-Aldrich off ers many grades for specifi c applications that can be found at sigma-aldrich.com
`
`©2010 Sigma-Aldrich Co. All rights reserved. SIGMA, SAFC, SIGMA-ALDRICH, ALDRICH, FLUKA, and SUPELCO are trademarks belonging to Sigma-Aldrich Co. and its affiliate Sigma-Aldrich Biotechnology, L.P. Sigma brand products are sold
`through Sigma-Aldrich, Inc. Sigma-Aldrich, Inc. warrants that its products conform to the information contained in this and other Sigma-Aldrich publications. Purchaser must determine the suitability of the product(s) for their particular use.
`Additional terms and conditions may apply. Please see reverse side of the invoice or packing slip. TraceSELECT, TraceCERT, CHROMASOLV, Hydranal and ReagentPlus are registered trademarks of Sigma-Aldrich Biotechnology L.P. and Sigma-
`Aldrich Co. BCR and ERM are registered trademarks of the European Commission.
`
`72588-506043
`0119
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`0002