This certified reference material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. Download your certificate at: http://www.sigma-aldrich.com.Please specify if you require a…

This Standard Reference Material (SRM) is intended for use as a standard for the quantitative microanalysis of particles and for the development of particle matrix correction procedures. The elements present in these microspheres, common to many classes of particles, are silicon, calcium,…

Synonyms: Ketorolac tris salt; (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid tris salt; Toradol Formula: C₁₅H₁₃NO₃ · C₄H₁₁NO₃ Formula Weight: 376.40 CAS No.: 74103-07-4 Storage Temperature: room temp …

Structure confirmed. Will ship with Certificate of Analysis (CoA)

For SIMPLICITY(R) systems with ELIX(R) / RO / distilled water feed Legal Information: SIMPLICITY is a registered trademark of Merck KGaA, Darmstadt, Germany

Sigma modified human primary renal proximal tubule epithelial cells (RPTEC) with ZFNs to effectively create novel human RPTEC cell lines that can be utilized for investigating kidney toxicology (nephrotoxicity), transporters and various other renal studies. Sigma's RPTEC's exhibit normal epithelial…

For Milli-Q(R) systems. Contains Organex & Ionex Resins for trace levels of organics and ions. Synonyms: Kit: Quantum(R) EX Cartridge & Millipak (R) 20 Express Filter Legal Information: QUANTUM is a registered trademark of Merck KGaA, Darmstadt, Germany Other Notes: Directions for Use …

for microbiology Synonym(s): Kenner Fecal Agar

Synonym(s): Kicqstart ® Probe qPCR ReadyMix ™ Storage: −20°C

Synonym(s): Macrogol (15)-hydroxystearate; Polyethylene glycol (15)-hydroxystearate; Polyoxyethylated 12-hydroxystearic acid; Solutol ® HS 15

Synonym(s): 3,4',5,7-Tetrahydroxyflavone 3-rhamnoglucoside; Nicotiflorin Empirical Formula: C₂₇H₃₀O₁₅ Linear Formula: C₂₇H₃₀O₁₅ Formula Weight: 594.52 MDL Number: MFCD03427292 Purity: ≥98.0% (HPLC) Storage: −20°C

Anti-KBA.62 (Melanoma Associated Antigen) is a novel anti-melanoma antibody. Studies thus far have shown a similar sensitivity to melanocytic proliferations as that seen with S-100 protein staining, which is somewhat higher than that seen with anti-HMB-45. This has been confirmed by one study on a…

Anti-Kappa detects surface immunoglobulin on normal and neoplastic B-cells. In paraffin-embedded tissue, anti-kappa exhibits strong staining of kappa-positive plasma cells and cells that have absorbed exogenous immunoglobulins. When dealing with B-cell neoplasms, the determination of light chain…

Synonym(s): Polyvinyl acetate-Polyvinylpyrrolidone mixture MDL Number:

Synonyms: Kerosene Application: Odorless solvent.

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Molecular Formula: C20H26O3 Molecular…

Synonym(s): Bicyclohexane-4,4'-dione monoethylene ketal Formula: C14H22O3 Formula weight: 238.33 Purity: 97% CAS Number: 56309-94-5

Storage: -20C UNSPSC Code: 41106300 Features and Benefits: . Assay results in as little as 33 minutes. Highly efficient and sensitive real-time PCR results. Little/no optimization required General description: KiCqStart SYBR Green qPCR ReadyMix is a 2X concentrated,…

for microbiology

purum MDL Number: MFCD00135561 Boiling Point: 175-325 °C(lit.); 190-250 °C Density: 0.8 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.436 RTECS No.: OA5500000 RIDADR: UN 1223 3 / PGIII

Synonym(s): Kerosine CAS Number: 64742-47-8 Harmonized Tariff Code:  2710.19 Hazard Statements: H304-H227 May be fatal if swallowed and enters airways. Combustible liquid. Precautionary Statements: P210-P280-P301+P310-P405-P403+P235-P501a Keep away from heat/sparks/open flames/hot…

MDL No.: MFCD03792373 Purity: >=99% (electrophoresis) Storage: -20C UNSPSC Code: 12352203 General description: kappa Light Chains (free) is obtained from human IgG kappa myeloma sera. Fractionation, ion-exchange, and affinity chromatography procedures are used for purification. …

Synonym(s): 13 C and D Labeled 2-ketobutyric acid sodium salt hydrate; Sodium α-ketobutyrate-4- 13 C,3,3-d₂ Empirical Formula: 13 CC₃D₂H₃NaO₃ -+ xH₂O Linear Formula: 13 CH₃CD₂COCO₂Na -+…

for microbiology Synonym(s): 4-(Dimethylamino)benzaldehyde solution Empirical Formula: C₉H₁₁NO Formula Weight: 149.19 Linear Formula: C₉H₁₁NO MDL Number: MFCD00003381 Storage: 2-8°C Beilstein Registry Number: 4132845 RIDADR:…

Synonym(s): 3,4',5,7-Tetrahydroxyflavone; 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4 H -1-benzopyran-4-one; Robigenin Empirical Formula: C₁₅H₁₀O₆ Linear Formula: C₁₅H₁₀O₆ Formula Weight: 286.24 MDL Number: MFCD00016938 …

Grade: USP CAS No.: 1332-58-7

Synonyms: 2-[4-[2-(Benzimidazol-2-ylthio)ethyl]piperazin-1yl]-N-[2,4-bis(methylthio)-6-methyl-3-pyridyl]acetamide dihydrochloride; 4-[2-(1H-Benzimidazol-2-ylthio)ethyl]-N-[6-methyl-2,4-bis(methylthio)-3-pyridinyl]-1-piperazineacetamide dihydrochloride; K604 Molecular Formula: C23H30N6OS3 ·…

Storage: -20C UNSPSC Code: 41106300 Features and Benefits: . Assay results in as little as 33 minutes. Highly efficient and sensitive real-time PCR results. Little/no optimization required General description: KiCqStart SYBR Green qPCR ReadyMix is a 2X concentrated,…

Synonyms: 2-Acetonyl-1,4-bis[(4-ethoxybenzensulfonyl)amino]naphthalene; N,N'-(2-(2-Oxopropyl)naphthalene-1,4-diyl)bis(4-ethoxybenzenesulfonamide); N-[2-Acetonyl-4-(4-ethoxybenzenesulfonylamino)naphthalene-1-yl]-4-ethoxybenzenesulfonamide Molecular Formula: C29H30N2O7S2 Molecular Weight: …

Synonyms: N-Cyclohexyl-N-phenethyl-4-(4-(trifluoromethoxy)phenyl)-2H-1,2,3-triazole-2-carboxamide Molecular Formula: C24H25F3N4O2 Molecular Weight: 458.48 Linear Structural Formula: C24H25F3N4O2 MDL Number: MFCD30742935 Purity: >=98% (HPLC) Storage: 2-8C Biochem Physiol…

Synonyms: 1,1,1,3,3,3-Hexafluoropropan-2-yl 4-(dibenzo[d][1,3]dioxol-5-yl(hydroxy)methyl)piperidine-1-carboxylate; 4-[bis(1,3-Benzodioxol-5-yl)hydroxymethyl]-1-piperidinecarboxylic acid 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ester; KML 29; KML-29 Molecular Formula: C24H21F6NO7 Molecular…

Synonym(s): Aluminum silicate Formula: Al₂O₃ · 2SiO₂ · 2H₂O Formula Weight: 258.16 CAS No.: 1318-74-7