Chemicals Reagents K

Chemicals Reagents K

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  • SIGMA Kinetin plant cell culture tested, crystalline

    Synonym(s): 6-Furfurylaminopurine; N 6 -Furfuryladenine Empirical Formula: C10H9N5O Linear Formula: C10H9N5O Formula Weight: 215.21 MDL Number: MFCD00075757 Melting Point: 264-270 °C (dec.)(lit.) Beilstein Registry Number:...

  • SIGMA Kojic acid

    MilliporeSigma

    Synonym(s): 2-Hydroxymethyl-5-hydroxy-γ-pyrone; 5-Hydroxy-2-hydroxymethyl-4H-4-pyranone Empirical Formula: C6H6O4 Linear Formula: C6H6O4 Formula Weight: 142.11 MDL Number: MFCD00006580 Melting Point: 152-155 °C(lit.)...

  • a-Ketoglutaric acid disodium salt hydrate

    ≥95% Synonym(s): 2-Oxopentanedioic acid disodium salt hydrate; Sodium 2-oxoglutarate dibasic hydrate Empirical Formula: C5H4Na2O5 -+ xH2O Formula Weight: 190.06 (anhydrous basis) Linear Formula:...

  • SIGMA Ketanserin (+)-tartrate salt >=97%, solid

    Synonym(s): 3-(2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl)-2,4(1H,3H)-quinazolinedione (+)-tartrate salt; R 41468 (+)-tartrate salt Empirical Formula: C22H22FN3O3 -+ C4H6O6 Linear Formula:...

  • KB02-SLF >=95%

    MilliporeSigma

    Synonyms: (R)-1-(3-(3-(2-(2-(2-((1-(2-Chloroacetyl)-1,2,3,4-tetrahydroquinolin-6-yl)oxy)acetamido)ethoxy)ethoxy)propanamido)phenyl)-3-(3,4-dimethoxyphenyl)propyl (S)-1-(3,3-dimethyl-2-oxopentanoyl)piperidine-2-carboxylate; Electrophilic PROTAC(R); Heterobifunctional conjugate for E3 ubiquitin ligase...

  • SIGMA Kaurenoic acid >=95% (LC/MS-ELSD)

    Synonym(s): Ent-kaurenoic acid; Kaur-16-en-18-oic acid; Kauren-19-oic acid; Kaurenic acid Empirical Formula: C20H30O2 Linear Formula: C20H30O2 Formula Weight: 302.45 Purity: ≥95% (LC/MS-ELSD) Storage: −20°C

  • SIGMA KISS-1 58-65 >=97% (HPLC)

    Empirical Formula: C33H59N11O11 Linear Formula: C33H59N11O11 Formula Weight: 785.89 Purity: ≥97% (HPLC) Storage: −20°C

  • SIGMA KYSE-410

    MilliporeSigma

    Storage: −196°C

  • 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):...

  • SIGMA Kollicoat® IR

    MilliporeSigma

    Synonym(s): Macrogol-poly(vinyl alcohol) graft -copolymer; Polyvinyl alcohol-polyethylene glycol graft -copolymer

  • SIGMA Ketodeoxynonulosonic acid >=99.0% (TLC)

    Synonym(s): 3-Deoxy-D-glycero-D-galactononulopyranosonic acid Empirical Formula: C9H16O9 Linear Formula: C9H16O9 Formula Weight: 268.22 MDL Number: MFCD01863086 Purity: ≥99.0% (TLC) Storage: −20°C Beilstein Registry...

  • Kanamycin sulfate, United States Pharmacopeia (USP) Reference Standard

    CAS No.: 25389-94-0 Synonyms: Kanamycin A sulfate salt Formula: C18H36N4O11 ¬? H2O4S Formula Weight: 582.58 Linear Formula: C18H36N4O11 ¬? H2O4S

  • SIGMA Kollidon® SR

    MilliporeSigma

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

  • SIGMA KHOS-240S

    MilliporeSigma

    Storage: −196°C

  • Kovac's Reagent Strips suitable for microbiology

    Kovac's Reagent Strips can be used for the determination of the ability of microorganisms, primarily Enterobacteriaceae, to split indole from the tryptophan molecule. Kovac's reagent is prepared by dissolving 10g of p-aminobenzaldehyde in 150mL of isoamylalcohol and slowly adding 50mL of...

  • Kanamycin Sulfate

    ACTGene, Inc.

    Aminoglycoside with activity against many Gram-negative bacteria. Binds to ribosomal subunit and inhibits protein synthesis. Used as a selective agent for the incorporation of NPT II (Neomycin phosphotransferase) (APH3') gene in plant and animal cells. For research use. Potency (Dried Substance):...

  • Kasugamycin hydrochloride

    VETRANAL ™ , analytical standard Synonym(s): 3- O -[2-Amino-4-[(carboxyiminomethyl)amino]-2,3,4,6-tetradeoxy-D-arabino-hexopyranosyl]-D- chiro -inositol hydrochloride Empirical Formula: C14H25N3O9 -+ HCl Formula Weight: 415.82 Linear Formula:...

  • "1-Kestose, analytical standard"

    Synonyms: β-D-Fruf-(2→1)-β-D-Fruf-(2→1)-α-D-Glup Formula: C18H32O16 Formula Weight: 504.44 CAS No.: 470-69-9 Purity: ≥98.0% (HPLC) Storage Temperature: 2-8°C Other Notes: Side product of sugar beet raffination

  • K562 Cell line human, from human blood(chronic myelogenous leukemia), 89121407

    Storage: -196C UNSPSC Code: 12352200

  • SIGMA Kaempferol 3-B-D-glucopyranoside >=97.0% (HPLC)

    Synonym(s): 3-(β-D-Glucopyranosyloxy)-5,7-dihydroxy-2-(4-methoxyphenyl)-4 H -1-benzopyran-4-one; 3-Glucosylkaempferol; Astragalin; Kaempferol 3-glucoside Empirical Formula: C21H20O11 Linear Formula: C21H20O11 Formula Weight:...

  • Kuromanin chloride, >=95% (HPLC)

    Synonyms: Asterin; Chrysanthemin; Cyanidin 3-O-glucoside chloride; Glucocyanidin chloride CAS Number: 7084-24-4 Formula: C21H21ClO11 Formula Weight: 484.84 Linear Formula: C21H21ClO11 MDL No.: MFCD27665410 Purity: >=95% (HPLC) Storage: -20C EC Number: 230-384-7 UNSPSC Code: 12352200 Biochem/physiol...

  • Kresoxim-methyl certified reference material, TraceCERT(R)

    This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.Download...

  • SIGMA Kollicoat® MAE 100 P 43.2-47.6% methacrylic acid basis (calc. on dried substance)

    Synonym(s): Methacrylic acid-ethyl acrylate copolymer (1:1) Purity: 43.2-47.6% methacrylic acid basis (calc. on dried substance)

  • ALDRICH (Triphenylphosphoranylidene)ketene,

    Synonym(s): (Triphenylphosphoranylidene)ethenone; Bestmann ylide; Ketenylidene(triphenyl)phosphorane Formula: C20H15OP Formula Weight: 302.31 CAS No.: 15596-07-3 Application: A nucleophilic two-carbon building block that participates in a variety of reactions including...

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