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AMPICILLIN, Sodium Salt AMP201 CAS number: [69-52-3] Derivative of Penicillin. Inhibits cell-wall synthesis in Gram-negative and Gram-positive bacteria. Used to select drug resistant plasmid bearing bacteria. 4 °C C16H18N3NaO4S MW: 371.39 Potency: > 900 μg/mg pH (1 %, H2O): 8 - 10

ANISOMYCIN ANS245 CAS number: [22862-76-6] From Streptomyces griseolus. Antibiotic that inhibits protein synthesis 4 °C C14H19NO4 MW: 265.3 Purity: min. 97% Solubility: DMSO, ethanol, water

ANTIPAIN, Dihydrochloride ANT604 General serine and cysteine protease inhibitor. Inhibits trypsin, papain, cathepsin A. CAS number: [37682-72-7] -20 °C C27H44N10O6.2HCl MW: 677.63 Solubility: Water: 50mg/ml DMSO: soluble Methanol: soluble Working concentration: 10-50 μg/ml Typical stock solutions can be prepared in water, DMSO, or methanol at concentrations of 10mg/ml.

APROTININ, Bovine Lung, Lyophilized Powder APR600 CAS number: [9087-70-1] 4 ° C Suitable for Tissue Culture Aprotinin is a broad spectrum protese inhibitor. Inhibits trypsin, chymotrypsin, kallikrein from different sources and plasmin. Activity: > 6000KIU/mg or > 4.0 IU/mg 1 Inhibitor Unit (IU) = 1500 Kallikrein Inhibitor Unit (KIU) Purity: Single band @ 6.5KDa Endotoxin: < 5.0 EU/mg Mycoplasma: none detected Solubility: water, 10mg/ml. Also soluble in 70% methanol and 7

ASCOMYCIN ASC001 (Immunomycin) Antimalar agent with immunosuppressive properties. 4 °C CAS number: [11011-38-4] C43H69NO12 MW: 792.01 Purity: min. 99% Solubility: DMSO at 65mg/ml, soluble in ethanol Poorly soluble in water.

AVIDIN, from egg white AVD407 CAS number: [1405-69-2] 4 °C Affinity purified Activity: 10 - 15 units/mg protein Unit definition: One unit will bind 1.0 μg of D-biotin

AZURE A AZU416 CAS number: [531-53-3] C14H14SN3Cl MW: 291.8 Dye content: approx. 80%

AZURE B AZU417 CAS number: [531-55-5] C15H16SN3Cl MW: 305.88 Dye content: approx. 75%

BACITRACIN, Zinc salt, USP Grade BAC101 CAS number: [1405-87-4] 4 °C Potency: min 70,000 units/gm pH: 5.5 - 7.5 Loss on drying: < 5.0%

BAFILOMYCIN A1 (Streptomyces griseus) -20° C CAS number: [88899-55-2] C35H58O9 MW: 622.8 Purity: ≥ 90% Solubility: DMSO, ethanol, acetone

BASIC FUCHSIN BSF410 CAS number: [632-99-5] Certified Grade, Biologically tested C20H19N3HCl MW: 337.85 Dye content: min 80% Solubility: water, 2 mg/ml

BCIP, Disodium Salt, Water Soluble BCI101 CAS number: [102185-33-1] (5-Bromo-4-chloro-3-indolyl phosphate, disodium salt) -20 ° C Used as a substrate for alkaline phosphatase. C8H4BrCINO4PNa2 MW: 370.4 Solubility (water): 20 mg/ml

BCIP, Toluidine Salt (5-Bromo-4-chloro-3-indolyl phosphate, toluidine salt) Used as asubstrate for alkaline phosphatase.   -20 °C   C8H4BrCINO4P.C7H9N MW: 433.6 Solubility (water): insoluble Dimethylformamide: 20 mg/ml 1mg/ml in 0.1 M phosphate buffer gives a haze free solution.

BEEF EXTRACT POWDER pH (10% water): 4.6-6.0

BENZAMIDINE HCL, Ultra Pure (Hydrate) 4 °C CAS number: [1670-14-0] C7H8N2.HCl MW: 156.61 Purity: min. 98% Solubility (1% water): clear/colorless

BENZOIC ACID, ACS Grade BEN202 CAS number: [65-85-0] C6H5COOH MW: 122.12 Purity: > 99.5% Insolubles (methanol): < 0.005% Heavy metals (as Pb): < 0.0005%

BES, Free acid BES201 CAS number: [10191-18-1] [N,N-Bis(2-Hydroxyethyl)-2-Amino ethanesulfonic Acid] Useful pH: 6.4 - 7.8 pKa (20 °C): 7.1 ± 0.1 C6H15NO5S MW: 213.25 Purity: ≥ 99.0% pH (10%, H2O): 3.5 - 5.0 Solubility (10% water): clear/colorless

BES, Sodium salt BES202 CAS number: [66992-27-61] [N,N-Bis(2-Hydroxyethyl)-2-Amino ethanesulfonic Acid, Sodium salt] C6H14NO5S.Na MW: 235.2 Useful pH: 6.4 - 7.8

BESTATIN Inhibitor for Aminopeptidase B and Leucine aminopeptidase. -20 °C Microbial product. CAS number: [58970-76-6] C16H24N2O4 MW: 308.38 Purity: > 98% Solubility: DMSO

BETAINE Hydrochloride Ultra Pure Grade CAS number: [590-46-5] C5H11NO2. HCl MW: 153.6 Purity: > 99.5% Residue after Ignition: < 0.1% Heavy metals: < 10ppm