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  • Empirical Formula: C33H40O20 Linear Formula: C33H40O20 Formula Weight: 756.66 MDL Number: MFCD24849369 Purity: ≥95% (LC/MS-ELSD) Storage: −20°C

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  • Ko143 hydrate =98% (HPLC)


    Synonym: (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic acid 1,1-dimethylethyl ester hydrate CAS Number: 461054-93-3 (anhydrous) Empirical Formula (Hill Notation): …

  • Synonyms: KARPAS, 417 UNSPSC Code: 12352200

  • Ketoconazole


    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): Ketoconazole; (±)- cis -1-Acetyl-4-(4-[(2-[2,4-dichlorophenyl]-2-[1H-imidazol-1-ylmethyl]-1,3-dioxolan-4-yl)-methoxy]phenyl)piperazine Empirical Formula: …

  • tablets, with selenium Synonym(s): Nitrogen determination (Wieninger); Selenium reaction mixture MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • 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 -+…

  • Specific Activity: >5000 units/mg protein Storage: −20°C UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Application: Use Klenow Enzyme for: • Random-primed DNA labeling using random oligonucleotides as primers for the incorporation of…

  • SIGMA K562 cl.6


    Storage: −196°C

  • a-Ketoglutaric acid


    ≥99.0% (T) Synonym(s): alpha-Ketoglutaric acid; 2-Oxoglutaric acid; 2-Oxopentanedioic acid Empirical Formula: C5H6O5 Formula Weight: 146.10 Linear Formula: HOOCCH2CH2COCOOH MDL Number: MFCD00004165 Purity: …

  • Karaya gum


    Synonym(s): Gum karaya from sterculia tree; Tragacanth Indian MDL Number: MFCD00131251

  • Synonym(s): Poly(vinyl acetate) dispersion 30 %; Poly(vinyl acetate) stabilized with polyvinylpyrrolidone and sodium lauryl sulfate MDL Number: MFCD00084457 Purity: 25.0-30.0% (saponification value * 0.1534); 28.5-31.5% solids basis Density: 1.045-1.065

  • SIGMA KN-93 >=98% (HPLC)


    Synonym(s): N-[2-[N-(4-Chlorocinnamyl)-N-methylaminomethyl]phenyl]-N-(2-hydroxyethyl)-4-methoxybenzenesulfonamide phosphate salt; N-[2-[[[3-(4'-Chlorophenyl)-2-propenyl]methylamino]methyl]phenyl]-N-(2-hydroxyethyl)-4'-methoxybenzenesulfonamide phosphate salt Empirical Formula: …

  • Synonym(s): N-(6-Chloro-2-benzothiazolyl)-3,4-dimethoxy-benzenepropanamide Empirical Formula: C18H17ClN2O3S Linear Formula: C18H17ClN2O3S Formula Weight: 376.86 Purity: ≥98% (HPLC) Storage: 2-8°C

  • Synonyms: Potassium tri-sec-butylborohydride solution CAS Number: 54575-49-4 Formula: C12H28BK Formula Weight: 222.26 Linear Formula: K[CH(CH3)CH2CH3]3BH MDL No.: MFCD00009324 Density: 0.913 g/mL at 25 C UNSPSC Code: 12352000 Application: . Reducing reagentReactant…

  • Synonym(s): Bekanamycin sulfate salt Empirical Formula: C18H37N5O10 -+ xH2SO4 Linear Formula: C18H37N5O10 -+ xH2SO4 Formula Weight: 483.51 (free base basis) …

  • Synonym(s): 3,4',5,7-Tetrahydroxyflavone 7-[2- O -(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside]; 3,4',5,7-Tetrahydroxyflavone 7-neohesperidoside Empirical Formula: C27H30O15 Linear Formula: C27H30O15 Formula…



    Storage: −196°C

  • King Agar A


    for microbiology Synonym(s): Pseudomonas Agar (for Pyocyanin); Pseudomonas Agar P; Tech Agar

  • Storage: −196°C

  • KOD One(TM) PCR master Mix is a ready-to-use 2 x PCR master mix containing a novel genetically modified KOD DNA polymerase (UKOD) along with a new elongation accelerator, enabling fast PCR with an extension time of 5 sec/kb for template DNA 3' polymerase activity and 3'->5' exonuclease activity.…

  • Synonym(s): D-Glucosone Empirical Formula: C6H10O6 Linear Formula: C6H10O6 Formula Weight: 178.14 MDL Number: MFCD01863408 Purity: ≥98.0% (TLC)

  • Synonym(s): CXCL1; GRO1; GROa; NAP-3 Purity: ≥98% (HPLC); ≥98% (SDS-PAGE) Storage: −20°C

  • Synonyms: Cyanidin-3- O -rutinoside chloride Formula: C27H31ClO15 Formula Weight: 630.98 CAS No.: 18719-76-1 Purity: ≥98.0% (HPLC) Storage Temperature: −20°C

  • Synonyms: 3,4',5,7-Tetrahydroxyflavone 3-glucoside; 3-(beta-D-Glucopyranosyloxy)-5,7-dihydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one; 3-Glucosylkaempferol; Astragalin; Kaempferol 3-glucoside CAS Number: 480-10-4 Formula: C21H20O11 Formula Weight: 448.38 Linear Formula: C21H20O11 …

  • Synonyms: Kininogenase; Kininogenin CAS Number: 2593596 MDL No.: MFCD00131428 Storage: -20C Enzyme Commission (EC) Number:  ( BRENDA   IUBMB ) UNSPSC Code: 12352204 Physical form: Solution in 20 mM Tris-HCl, pH 7.8 with 100 mM NaCl. Unit…

  • Synonym(s): (2S)-1-[[(2S)-1-(1-Oxo-4-phenylbutyl)-2-pyrrolidinyl]carbonyl]-2-pyrrolidinecarbonitrile Empirical Formula: C20H25N3O2 Linear Formula: C20H25N3O2 Formula Weight: 339.43 MDL Number: …

  • KARPAS 1106P, 6072607


    Storage: -196C UNSPSC Code: 12352200

  • Synonym(s): Keratinase from Bacillus licheniformis ; KerA; Keratinolytic protease Storage: −20°C

  • Storage: −20°C

  • European Pharmacopoeia (EP) Reference Standard

  • Synonyms: Kanamycin A; Kanamycin sulfate salt Formula: C18H36N4O11 · H2O4S Formula Weight: 582.58 CAS No.: 25389-94-0 Application: Use in biotechnology applications to inhibit protein synthesis. Recommended for use in…

  • Storage: −196°C

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