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American Made
Buy American‑Made Laboratory Products with Confidence
MIDSCI™ is your trusted source for American‑made lab supplies that help support compliance with the Federal Buy American Act and related federal purchasing requirements.
As a family‑owned U.S. laboratory supplier since 1983, we proudly partner with domestic manufacturers to provide high‑quality lab supplies, chemicals, equipment, and instruments made right here in the United States. With a Midwest‑based warehouse and representatives across the country, we deliver reliable products backed by real people and real support.
From everyday lab consumables and reagents to equipment and precision instruments, MIDSCI™ helps labs run efficiently, stay compliant, and support U.S. manufacturing. Whether you’re purchasing for a government facility, federally funded research program, or private lab that values domestic sourcing, MIDSCI™ makes it easy to buy American without sacrificing quality or service.
Contact us for assistance with Buy American–compliant sourcing, documentation, and product recommendations.
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PR1MA™ LB Agar, Low Salt Formula, Granulated [Lennox L Agar]
Common Name: Lennox L 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 32 grams in 1 Liter of distilled water and adjust the pH to 7.2. Sterilize by autoclaving for 15
minutes.
Ingredients:
- Casein Peptone: 10 g/L
- Sodium Chloride: 5 g/L
- Yeast Extract: 5 g/L
- Agar: 12 g/L
- DCM Appearance: Homogeneous Free Flowing ,Light Beige
- PPM Appearance: Clear, no to light ppt, light yellow
- pH (2.0% 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
- Sodium Chloride: 5 g/l
- Yeast Extract: 5 g/L
- Agar: 12 g/l
- Casein Peptone: 10 g/L
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PR1MA™ PBS [Phosphate Buffered Saline], 10X Powder Concentrate, White Granular Powder
CAS Number: 7778-77-0; 7447-40-7; 7558-79-4; 7647-14-5
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Uniform Powder (No Granular)
- Chloride: 0.136 - 0.144 moles/liter
- Conductivity @ 25 oC: 14000 - 17800 µomhos/cm
- DNase, RNase, protease: Not Detected
- pH (10X Solution): 6.7 - 6.9
- pH (1 X Solution): 7.3 - 7.5
- Solubility: Pass Test (9.89%)
- Seal Integrity Testing: Pass Test
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PR1MA™ Sodium Phosphate Dibasic, Anhydrous, ACS Grade
CAS Number: 7558-79-4
Molecular Weight: 142.0
Chemical Formula: Na2HPO4
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystals
- Assay: ≥ 99.0 %
- Chloride: ≤ 0.002 %
- Heavy Metals : ≤ 10 ppm
- Insoluble Matter: ≤ 0.01 %
- Iron: ≤ 0.002 %
- Loss on Drying: ≤ 0.2 %
- pH (5% Solution): 8.7 - 9.3
- Sulfate: ≤ 0.005 %
- Yeast and Mold Count: ≤ 100 CFU/g
- Aerobic Plate Count: ≤ 1000 CFU/g
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PR1MA™ LB Broth, Granulated [Lennox LB Broth]
Common Name: Lennox L Broth
Solubility: Water
Storage Temp: Room Temperature
For propagation and maintenance of E. Coli. Low Salt Formula. Molecular
Biology Grade.
Dissolve 20 grams in 1 liter distilled water. Then adjust the pH to 7.2.
Heat and frequently agitate to completely dissolve. Material is specially
granulated to reduce dust and increase solubility rate. Sterilize by
autoclaving for 15 minutes.
Ingredients:
- Tryptone:10 g/L
- Sodium Chloride: 5 g/L
- Yeast Extract: 5 g/L
Research or further manufacturing use only, not for food or drug use.
- Appearance: Light beige color, average particle size between 1 to 2mm
- DCM Appearance: Homogeneous, free flowing light beige
- PPM Appearance: Clear, no to light ppt, light yellow
- Appearance of Solution: Prepared medium is yellow to gold and clear to moderately hazy
- pH (2.0% 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
- Casein Peptone: 10 g/L
- Sodium Chloride: 5 g/L
- Yeast Extract: 5 g/L
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PR1MA™ SOB Broth, Capsules
CAS Number: 91079-40-2; 8013-01-2; 7647-14-5; 7487-88-9; 7447-40-7
Solubility: Water
Storage Temp: Room Temperature
SOB Broth is recommended for use in cultivation of recombinant strains of
E. Coli. It is a nutritionally rich growth medium for use in the
preparation and transformation of competent cells.
Add two capsules to one liter of distilled water. Heat and stir gently to
completely dissolve medium. Sterilize by autoclaving at 121°C for 15
minutes.
Final Solution contains:
- Casein Enzymic Hydrolysate: 20 g/L
- Yeast Extract: 5 g/L
- Sodium Chloride: 0.5 g/L
- Magnesium Sulfate: 2.4 g/L
- Potassium Chloride: 0.186 g/L
Research or further manufacturing use only, not for food or drug use.
- Appearance: Capsules
- Appearance of Solution: Prepared medium is light to medium amber and clear
- pH @25 °C: 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): Good 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
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Citric Acid Anhydrous
CAS Number: 77-92-9
Molecular Weight: 192.1
Chemical Formula: C6H8O7
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: Fine white crystalline powder
- Assay (Titration): ≥ 99.5 %
- Carbonizable Substances (H2SO4): Pass Test
- Clarity and Color: Pass Test
- Identification: Pass Test
- Lead : ≤ 0.5 mg/kg
- Limit of Oxalic Acid: ≤ 0.036 %
- Oxalate Test: Pass Test
- Residual Solvents: Meet requirements
- Residue on Ignition: ≤ 0.05 %
- Sulfate: ≤ 0.015 %
- Water: ≤ 0.5 %
Proudly made in the USA! Click here for more made in America products!
PR1MA™ LB Agar, Low Salt Formula, Powder [Lennox L Agar]
Common Name: Lennox L Agar
CAS Number: 91079-40-2, 8013-01-2, 7647-14-5, 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature
Molecular Biology Grade. For propagation and maintenance of E. Coli. Low
Salt Formula.
Dissolve 35 grams in 1 Liter of distilled water. Adjust the pH to 7.2
Sterilize by autoclaving for 15 minutes
Ingredients:
- Casein Peptone: 10 g / L
- Sodium Chloride: 5 g / L
- Yeast Extract: 5 g / L
- Agar: 15 g / L
Research or further manufacturing use only, not for food or drug use.
- Appearance: Powder
- pH: 6.8 - 7.2
- Solubility: Clear Solution
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PR1MA™ Yeast Nitrogen Base without Amino Acids
Solubility: Water
Storage Temp: Room Temperature
For classifying yeasts based on amino acid and carbohydrates requirements.
Contains all essential vitamins and inorganic salts necessary for the
cultivation of yeasts. Excludes histidine methionine, tryptophan and carbon
source. Also contains <1 mg/L each of vitamins and trace inorganic
salts.
Research or further manufacturing use only, not for food or drug use.
- DCM Appearance: Free flowing powder, Homogeneous, Off white to cream
- PPM Appearance: Pale to light yellow (10X Solution)
- pH (0.67% Solution @25 oC): 5.2 - 5.6
- Microorganism Koleckera Apiculata ATCC 9774 (With Additives): Good to Excellent
- Microorganism Saccharomyces Cerevisiae ATCC 9080 (With Additives): Good to Excellent
- Microorganism Saccharomyces Cerevisiae ATCC 9763 (With Additives): Good to Excellent
- Microorganisms Candida Albicans ATCC 10231 (With Additives): Good to Excellent
Proudly made in the USA! Click here for more made in America products!
Labcon Zap™ Slik Aerosol For Rainin LTS Pipettor Tips
ZAP™ Slik Aerosol filter Pipette Tips from Labcon combine the higher standard of ZAP™ filters with our own unique low retention pipette tips.
Packaging
96 Rack
Offer workhorse reliability and versatility. They have heavy hook hinges that are extremely durable and an ergonomic snap-latch that won’t catch gloves. Smooth rounded edges and a reinforced seal make these racks durable additions to your lab. Strong enough to be autoclaved many times. The separate rack insert includes a beveled top an extra-sturdy surface for multi-channel pipetting. A vent in the rack sides allows steam autoclaving to be more efficient and assures your tips are sterile. The long thin design of the 192 rack allows for more working space on the lab bench.
Eclipse UNO Refills
Bring the same ease, value, and low carbon footprint of Eclipse refills to aerosol filter tips. These refills use a validated sterile process and include an expiration date on every pack. Eclipse packaging in made exclusively from recyclable and renewable materials.
Proudly made in the USA! Click here for more made in America products!
PR1MA™
Lysozyme from Chicken Egg White, Salt Free
CAS Number: 12650-88-3
Solubility: Water
Storage Temp: 2-8°C
Purified from chicken egg white, 2x crystallized, dialyzed and supplied as
a salt free lyophilized powder.
Dry powder stable for 3 - 5 years when stored dry at 2°C to 8°C.
Stock solution is stable up to 3 days at 4°C and up to 1 year at -20°C.
Research or further manufacturing use only, not for food or drug use.
- Appearance: 2X Crystallized; dialyzed, lyophilized powder
- A 280@ mg/ml: Report
- Protein: Report %
- U/mg dw (Unit Per mg Dry Weight): ≥ 8000
- Raw Material Species: Chicken Egg Whites
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
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
Proudly made in the USA! Click here for more made in America products!
PR1MA™ LB Broth Powder [Lennox L Broth]
Common Name: Lennox L Broth
Solubility: Water
Storage Temp: Room Temperature
For propagation and maintenance of E. Coli. Low Salt Formula. Molecular
Biology Grade.
Dissolve 20 grams in 1 liter distilled water. Then adjust pH to 7.2. Heat
and frequently agitate to completely dissolve. Sterilize by autoclaving for
15 minutes.
Ingredients:
- Tryptone: 10 g/L
- Yeast Extract: 5 g/L
- Sodium Chloride: 5 g/L
Research or further manufacturing use only, not for food or drug use.
- DCM Appearance: Homogeneous free flowing, light beige
- PPM Appearance: Clear, No to light ppt, light yellow
- pH (2% water) @25°C: 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
- Sodium Chloride: 5 g/L
- Yeast Extract: 5 g/L
- Casein Peptone: 10 g/L
Proudly made in the USA! Click here for more made in America products!
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