CAS Number: 1264-72-8
Molecular Weight: 2801.27
Chemical Formula: (C₅₂H₉₈N₁₆O₁₃ )₂ • 5(H₂SO₄)
Solubility: Water
Storage Temp: Short Term: 2-8°C; Long Term: -20°C

Active against gram negative bacteria. Potency approximately 20,000 units per milligram.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White or almost white powder
• Arsenic (As): ≤ 2 ppm
• Heavy Metals : ≤ 20 ppm
• Identification: Conforms
• Loss on Drying: ≤ 3.5 %
• pH (1% in H₂O): 4.0 - 6.0
• Potency (Dried basis): ≥ 19000 µg/mg
• Solubility (50mg/ml in H₂O): Clear and light yellow solution
• Specific Rotation: -73 - -63 °
• Sulfate: 16.0 - 18.0 %
• Sulfated Ash: ≤ 1.0 %

PR1MA™  Polymixin B Sulfate

CAS Number: 1405-20-5
Molecular Weight: 1385.61
Chemical Formula: C₅₅H₉₆N₁₆O₁₃ • 2H₂SO₄
Solubility: Water
Storage Temp: 2-8°C

Mixture of sulfates of polypeptides from certain strains of Bacillus polymixa. Active against gram negative bacteria.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White to Light Yellow Powder
• Identification: Pass Test
• pH (0.5% Solution): 5.0 - 7.5
• Loss on Drying: ≤ 7.0 %
• Single Impurity: ≤ 3.0 %
• Total impurities: ≤ 17.0 %
• Bacteria Colonies: ≤ 10/g
• Ecoli Colonies: Should not be found
• Fungi and Yeast colonies: ≤ 10/g
• Assay, HPLC (on dried basis) (Sum of polymxin B1,B2, B3 and B1-1): ≥ 80.0 %
• Assay, HPLC (on dried basis) (Polymyxin B3): ≤ 6.0 %
• Assay, HPLC (on dried basis) (Polymyxin B1-1): ≤ 15.0 %
• Assay (Dried Basis): ≥ 6000 U/mg
• Assay (Wet Basis): Report U/mg
• Non Animal Origin: Non Animal Origin
• Grade: USP
• Country of Origin: Report

PR1MA™ Agar Noble

CAS Number: 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature

Ultra-high purity Agar recommended for use in applications where maximum clarity and purity are essential. Thorough bleaching and washing procedures are utilized to remove trace amounts of ash and mineral contaminants.

Concentrations of 3-8 g/L obtains a semi-solid gel.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White to pale yellow crystalline powder
• ASH (Residue Ignition): ≤ 1.6 %
• Gelling Point: 32 - 39 °C
• Melting Point: 80 - 95 ^oC
• Moisture : ≤ 12.0 %
• pH (1.5% solution): 5.5 - 7.2

PR1MA™ Acrylamide/bis-Acrylamide, 37.5:1 Ratio Solution

CAS Number: 79-06-1; 110-26-9; 7732-18-5
Storage Temperature: 2-8°C

A 40% solution containing 38.96% (w/v) Acrylamide and 1.04% (w/v) bis-Acrylamide for a monomer to crosslinker ratio of 37.5:1.

WARNING! This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.

Research or further manufacturing use only, not for food or drug use.

• Appearance: Clear, colorless solution
• Conductivity of Solution: ≤ 10 µmhos
• Electrophoresis: Pass Test
• pH: Report

PR1MA™  Spectinomycin Dihydrochloride Pentahydrate

CAS Number: 22189-32-8
Molecular Weight: 495.3
Chemical Formula: C₁₄H₂₄N₂O₇ • 2HCl • 5H₂O
Solubility: Water
Storage Temp: 2-8°C

Aminocyclitol antibiotic that inhibits protein synthesis. Cell culture tested.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White or almost white, Slightly hygroscopic powder
• Identification: Pass Test
• pH @25 °C: 3.8 - 5.6
• Potency : ≥ 603 IU/mg
• Residue after Ignition: ≤ 1.0 %
• Solubility: Clear and colorless to light yellow
• Specific Rotation: +15 - +21 °
• Water (KF): 16.0 - 20.0 %

PR1MA™  Luria Agar Granulated [Miller's LB Agar]

Common Name: Miller's LB Agar
CAS Number: 91079-40-2; 8013-01-2; 7647-14-5; 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature

For propagation and maintenance of E. Coli.

Dissolve 37 grams in 1 Liter distilled water and adjust the pH to 7.2. Sterilize by autoclaving for 15 minutes.

Ingredients:

• Tryptone: 10 g / L
• Sodium Chloride: 10 g / L
• Yeast Extract: 5 g / L
• Agar: 12 g / L

• DCM Appearance: Homogeneous Free Flowing, Light Beige
• PPM Appearance: Clear, none to light ppt, light yellow
• pH (2.5 % Solution @25 ^oC): 6.8 - 7.2
• Microorganism (E. coli ATCC 23724): Good to Excellent
• Microorganism (E. coli ATCC 33694): Good to Excellent
• Microorganism (E. coli ATCC 33849): Fair to Excellent
• Microorganism (E. coli ATCC 39403): Good to Excellent
• Microorganism (E. coli ATCC 47014): Good to Excellent
• Microorganism (E. coli ATCC 53868): Good to Excellent

Gel-Loading Pipette Tips

Gel-Loading Pipette Tips are designed for precise and accurate sample loading into gels.

• Round or at tip options to meet all customer preferences
• Short body 200 μL available in bulk packaging
• Patented press-to-open racks provide easy, one-handed opening
• Universal fit to accommodate most pipettor brands
• Multichannel-friendly with a standard 96-tip arrangement
• Small pack sizes—preferred by more researchers
• Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified endotoxin-free

Specifications
 

Item #	Description	Packaging
4817-00	10µL, 0.57mm Round Tips	96/rk, 2 rks/pk, 5 pks/cs
4817-0A	10µL, 0.37mm Flattened Tips	96/rk, 2 rks/pk, 5 pks/cs
4817-0B	10µL, 0.17mm Flattened Tips	96/rk, 2 rks/pk, 5 pks/cs
4817-S0	10µL Gel-Loading Tips, 0.57mm Round, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4817-SA	10µL Gel-Loading Tips, 0.37mm Flat, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4817-SB	10µL Gel-Loading Tips, 0.17mm Flat, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4817-SF	10µL Filter Gel Tips 0.57mm Round, Racked, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4837-00	200µL Gel-Loading Tips, 0.57mm Round, Racked	96/rk, 2 rks/pk, 5 pks/cs
4837-0A	200µL Gel Loading Tips, 0.37mm Flat, Racked	96/rk, 2 rks/pk, 5 pks/cs
4837-0B	200µL Gel-loading Tips, 0.17mm Flat, Racked	96/rk, 2 rks/pk, 5 pks/cs
4837-S0	200µL Gel-Loading Tips, 0.57mm Round, Sterile, Racked	96/rk, 2 rks/pk, 5 pks/cs
4837-SA	200µL Gel-Loading Tips, 0.37mm Flat, Sterile, Racked	96/rk, 2 rks/pk, 5 pks/cs
4837-SB	200µL Gel-Loading Tips, 0.17mm Flat, Sterile, Racked	96/rk, 2 rks/pk, 5 pks/cs
4840-00	200µL Gel-Loading Tips, 0.57mm Stepped (MBP/QSP Style)	1,000/bg, 10 bgs/cs
4847-00	200µL Gel Tips, Short-Body, 0.57mm Rnd (MBP/QSP Style), Racked	96/rk, 2 rks/pk, 5 pks/cs
4847-S0	200µL Gel Tips, Short-Body, 0.57mm Rnd (MBP/QSP Style), Racked, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4847-AF	20µL Gel Filter Tips, Short-Body, 0.57mm Rnd (MBP/QSP Style), Racked, Sterile	96/rk, 2 rks/pk, 5 pks/cs
4847-BF	100µL Gel Filter Tips, Short-Body, 0.57mm Rnd (MBP/QSP Style), Racked, Sterile	96/rk, 2 rks/pk, 5 pks/cs

 
 Proudly made in the USA! Click here for more made in America products!

PR1MA™ Mitomycin C

CAS Number: 50-07-7
Molecular Weight: 334.3
Chemical Formula: C₁₅H₁₈N₄O₅
Solubility: Ethanol
Storage Temp: 2-8°C 

Antineoplastic antibiotic that acts as an alkylating agent after activation and also suppresses the synthesis of nucleic acids. A cell-cylce non specific agent, most active in the late G1 and early S phases.

WARNING! This product can expose you to Mitomycin-C, a chemical which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Research or further manufacturing use only, not for food or drug use.

• Appearance: Blue violet solid
• Identification (UV): Conforms
• Purity-HPLC (RP CH₃CN:H₂O-0-100%): ≥ 99.0 %
• Purity-HPLC (RP MEOH:H₂O-90-10): ≥ 98.0 %
• Purity-TLC (CH₂CL₂:MEOH- 9:1): ≥ 98.0 %
• Solubility (10 mg/ml MEOH): Clear Blue Solution

PR1MA™ DTT [DL-Dithiothreitol] (Cleland's Reagent)]

Common Name: [DL-Dithiothreitol] (Cleland's Reagent)]
CAS Number: 3483-12-3
Molecular Weight: 154.25
Chemical Formula: C₄H₁₀O₂S₂
Solubility: Water
Storage Temp: 2-8°C

Protective reagent for maintaining -SH groups in reduced state. DTT permeates the cell membrane, protecting protein sulfhydryls, thereby restoring enzyme activity lost by oxidation of the groups.

Research or further manufacturing use only, not for food or drug use.

• Appearance: A white free flowing powder, hygroscopic
• Solubility: Freely soluble in methanol, methylene chloride
• Clarity in water: 5% (w/v) solution in water is clear and colorless
• Identification by TLC: Rf value of the sample is comparable with that of the standard
• Melting Range: 37.0 - 44.0 °C
• Related Substance (UV Spectroscopy- Content of Oxidised DTT): 0.4 %
• Assay (By Iodimetry): ≥ 98.0 %
• Country of Origin: Report

PR1MA™  HEPES, Free Acid [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]

Common Name: [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]
CAS Number: 7365-45-9
Molecular Weight: 238.3
Chemical Formula: C₈H₁₈N₂O₄S
Solubility: Water
Storage Temp: Room Temperature

Zwitterionic N-substituted aminosulfonic acid buffer.

• pka (25°C): 7.5
• pH Range (Working): 6.8 - 8.2
• Heavy Metals: <0.001% Max

• Appearance: White Crystalline Powder
• Assay (Titration, dried basis): ≥ 99.5 %
• DNase, RNase, protease: Not Detected
• Endotoxin (0.2% Solution): ≤ 0.25 EU/ml
• Heavy Metals (as Pb): ≤ 0.001 %
• Identification (IR): Pass
• Iron (Fe): ≤ 0.0005 %
• Loss on Drying: ≤ 1.0 %
• pH (5% in water): 5.0 - 6.5
• pKa @ 20°C: 7.35 - 7.70
• Residue on Ignition: ≤ 0.1 %
• Solubility (1M Solution in Water ): Clear and Colorless Solution
• Sulfate: ≤ 0.05 %
• UV Absorbance (1M@260nm): ≤ 0.05
• UV Absorbance (1M@280nm): ≤ 0.05

PR1MA™ Acrylamide/bis-Acrylamide, Premixed Powder 19:1 Ratio

Storage Temp: Room Temperature

Pre-measured powder blend of acrylamide and bis-acrylamide for simple stock solution preparation.

WARNING! This product can expose you to Acrylamide, a chemical which is known to the State of California to cause cancer, developmental and reproductive harm. For more information go to www.P65Warnings.ca.gov.

Research or further manufacturing use only, not for food or drug use.

• Appearance: Powder
• Solubility: Clear and complete
• Conductivity: ≤ 10 µmhos

PR1MA™ Puromycin Dihydrochloride

CAS Number: 58-58-2
Molecular Weight: 544.43
Chemical Formula: C₂₂H₂₉N₇O₅ • 2HCl
Solubility: Water
Storage Temp: -20°C

Amino nucleoside antibiotic allows the selection of cells expressing the pac gene. Inhibits the growth of gram-positive bacteria and various animal and insect cells.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White to Off White Powder
• Identification (TLC): Conforms
• Melting Point: 168 - 182 ^oC
• Purity (HPLC): ≥ 98.0 %
• Solubility: Clear, colorless or light yellow solution
• Water (KF): ≤ 12.0 %