K1 to Kz -Organics

Alfa Aesar™ Ketoketal, 97%

Chemical Name or Material: Ketoketal CAS: 56309-94-5 Molecular Formula: C14H22O3 Formula Weight: 238.33 MDL Number: MFCD00809704 Synonym: Bicyclohexane-4,4'-dione monoethylene ketal

α-Ketoglutaric Acid (Reagent), Fisher Chemical

Chemical Name or Material: α-Ketoglutaric Acid CAS: 328-50-7 Purity Grade: Reagent Grade Physical Form: Solid Molecular Formula: C5H6O5 Linear Formula: HOOCCOCH2CH2COOH Formula Weight: 146.1 MDL Number: MFCD00004165 Synonym: 2-Oxoglutaric Acid

Petroleum ether, pure, boiling range ca. 180-280°C, ACROS Organics™

Chemical Name or Material: Petroleum ether CAS: 8008-20-6 Purity Grade: Pure MDL Number: MFCD00135561

Kojic acid, 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kojic acid Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H6O4 Formula Weight: 142.11 Synonym: 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one

Kerosene, Deodorized Products for Science Education

Chemical Name or Material: Kerosene CAS: 8008-20-6 Assay Percent Range: >99% w/v Synonym: Coal Oil

2-Ketoglutaric acid, disodium salt, dihydrate, 99%, ACROS Organics™

Chemical Name or Material: 2-Ketoglutaric acid, disodium salt, dihydrate Name Note: 99% CAS: 305-72-6 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% (on dry substance) Assay Percent Range: 99% Molecular Formula: C5H4Na2O5·2H2O Linear Formula: NaOOCCH2CH2C(O)COONa·H2O Formula Weight: 226.1 MDL Number: MFCD00150702

Alfa Aesar™ 5-Keto-D-gluconic acid potassium salt, 98%

Chemical Name or Material: 5-Keto-D-gluconic acid potassium salt CAS: 5447-60-9 Molecular Formula: C6H9KO7 Formula Weight: 232.23 MDL Number: MFCD00069562 Beilstein: 3919618 Synonym: D-Xylo-5-hexulofuranosonic acid potassium salt

4-(2-Keto-1-benzimidazolinyl)piperidine 97%, ACROS Organics™

Chemical Name or Material: 4-(2-Keto-1-benzimidazolinyl)piperidine Assay: ≥96.0% (total base) Assay Percent Range: 97% Molecular Formula: C12H15N3O Formula Weight: 217.27

alpha-Ketoglutaric acid, Free Acid, >98%, Affymetrix/USB™

Chemical Name or Material: alpha-Ketoglutaric acid Assay: ≥98% Physical Form: Crystalline Powder Synonym: 2-Oxoglutaric acid Formula Weight: 146.10 Molecular Formula: C5H6O5 Melting Point: 113° to 117°C CAS: 328-50-7 MDL Number: MFCD00004165

Alfa Aesar™ Kerosene, low odor

Chemical Name or Material: Kerosene CAS: 64742-47-8 Name Note: low odor MDL Number: MFCD00135561 UN Number: UN1223 Merck Index: 14,5294 Synonym: Kerosine

4-Ketopimelic acid, 98%, ACROS Organics™

Chemical Name or Material: 4-Ketopimelic acid CAS: 502-50-1 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H10O5 Linear Formula: HO2CCH2CH2COCH2CH2CO2H Formula Weight: 174.15 MDL Number: MFCD00002798

Alfa Aesar™ Kinetin, 99%

Chemical Name or Material: Kinetin CAS: 525-79-1 Molecular Formula: C10H9N5O Formula Weight: 215.22 MDL Number: MFCD00075757 Beilstein: 21703 Merck Index: 14,5311

Kjeldahl tablets with selenium (Wieninger), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kjeldahl tablets with selenium (Wieninger) CAS: 7757-82-6 CAS: 7758-99-8 CAS: 7757-82-6 CAS: 7782-49-2 MDL Number: MFCD00147338

Kaempferol, 90%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kaempferol CAS: 520-18-3 Assay: ≥96.0% (HPLC) Assay Percent Range: 97% Molecular Formula: C15H10O6 Formula Weight: 286.24 MDL Number: MFCD00016938 Synonym: 3,4',5,7-Tetrahydroxyflavone

Ketoconazole, 98%, Acros Organics™

Infrared Spectrum: Authentic Loss on Drying: 0.5% max. (80°C, 4 h) (vacuum) Melting Point: 148.0° to 150.0°C Formula Weight: 531.44 CAS: 65277-42-1 Molecular Formula: C26H28Cl2N4O4 Assay: ≥97.5% (HPLC) Chemical Name or Material: Ketoconazole

Alfa Aesar™ 2-Keto-D-gluconic acid hemicalcium salt monohydrate, 99%

Chemical Name or Material: 2-Keto-D-gluconic acid hemicalcium salt monohydrate CAS: 3470-37-9 Molecular Formula: C6H9O7·1/2Ca·H2O Formula Weight: 231.22 MDL Number: MFCD00149104 Beilstein: 3808734 Synonym: D-Arabino-2-hexulopyranosonic acid hemicalcium Salt; Calcium 2-keto-D-gluconate

Alfa Aesar™ Kojic acid, 99%

Chemical Name or Material: Kojic acid CAS: 501-30-4 Molecular Formula: C6H6O4 Formula Weight: 142.11 MDL Number: MFCD00006580 Beilstein: 120895 Merck Index: 14,5317 Synonym: 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one

4-keto-4,5,6,7-tetrahydrothianaphthene 97%, ACROS Organics™

Chemical Name or Material: 4-Keto-4,5,6,7-tetrahydrothianaphthene CAS: 13414-95-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C8H8OS Formula Weight: 152.21 MDL Number: MFCD00005861

Alfa Aesar™ Ketoconazole, 98%

Chemical Name or Material: Ketoconazole CAS: 65277-42-1 Molecular Formula: C26H28Cl2N4O4 Formula Weight: 531.43 MDL Number: MFCD00058579 UN Number: UN2811 Merck Index: 14,5302

K-252a, 98%, ACROS Organics™

Chemical Name or Material: K-252a Assay Percent Range: 98% Molecular Formula: C27H21N3O5 Formula Weight: 467.5 MDL Number: MFCD00161522

Alfa Aesar™ Ketoconazole, 2mg/mL in methanol, sterile-filtered

Chemical Name or Material: Ketoconazole CAS: 65277-42-1 Name Note: 2mg/mL in methanol, sterile-filtered MDL Number: MFCD00058579 UN Number: UN1230

Kryptofix™ 222, 98%, ACROS Organics™

Chemical Name or Material: Kryptofix™ 222 Assay Percent Range: 98% Molecular Formula: C18H36N2O6 Formula Weight: 376.48 MDL Number: MFCD00005111 Synonym: 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]-hexacosane

Alfa Aesar™ Ketotifen fumarate, 99%

Chemical Name or Material: Ketotifen fumarate CAS: 34580-14-8 Molecular Formula: C19H19NOS·C4H4O4 Formula Weight: 425.5 MDL Number: MFCD00079394 Merck Index: 14,5307

Kerosene, Odorless, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kerosene CAS: 8008-20-6 MDL Number: MFCD00135561

Kaolin, pure, ACROS Organics™

Chemical Name or Material: Kaolin CAS: 1332-58-7 Purity Grade: Pure Synonym: Aluminium silicate (hydrated)

Kerosene (Odorless), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kerosene Name Note: Odorless CAS: 64742-47-8 Physical Form: Liquid Assay Percent Range: >99% MDL Number: MFCD00135561

Kinetin, 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Kinetin Assay: ≥98.5% (total base) Assay Percent Range: 99% Molecular Formula: C10H9N5O Formula Weight: 215.21 Synonym: 6-Furfurylaminopurine

Alfa Aesar™ 6-Ketoprostaglandin F1alpha, 98%

Chemical Name or Material: 6-Ketoprostaglandin F1alpha CAS: 58962-34-8 Formula Weight: 370.49 MDL Number: MFCD00135222 Synonym: 6-Keto-PGF1α

Alfa Aesar™ Karaya Gum

Chemical Name or Material: Karaya Gum CAS: 9000-36-6 MDL Number: MFCD00131251 Merck Index: 14,5284 Synonym: Gum karaya from sterculia tree; Tragacanth Indian

Alfa Aesar™ Kaempferol, 98+%

Chemical Name or Material: Kaempferol CAS: 520-18-3 Molecular Formula: C15H10O6 Formula Weight: 286.24 MDL Number: MFCD00016938 Beilstein: 304401 Merck Index: 14,5274 Synonym: 3,4',5,7-Tetrahydroxyflavone

  spinner