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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.

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PR1MA™ Terrific Broth, Modified, Granulated

CAS Number: 91079-40-2; 8013-01-2; 7778-77-0; 7758-11-4
Solubility: Water
Storage Temp: Room Temperature

Enriched media for maintenance and propagation of E. Coli and plasmid growth. Produces higher cell densities resulting in greater yields of DNA or recombinant proteins. Glycerol is used as a carbon source with this formulation instead of glucose as it will not ferment to acetic acid.

Ingredients:

  • Casein Digest Peptone: 12g/L
  • Yeast Extract: 24g/L
  • Dipotassium phosphate: 9.5g/L
  • Monopotassium phosphate: 2.2g/L

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

  • DCM Appearance: Homogeneous, free flowing beige to yellow-beige
  • PPM Appearance: Clear, yellow to amber no precipitate (ppt)
  • pH (4.76% solution at 25°C): 6.8 - 7.4
  • 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™ Terrific Broth Modified Capsules

CAS Number: 91079-40-2; 8013-01-2; 7778-77-0; 7758-11-4
Solubility: Water
Storage Temp: Room Temperature

Terrific Broth formulation packaged in easy to use 24 gram capsules. Formulation from powder.

Add 1 capsule per 500 mL of water. Heat and stir until capsules are completely dissolved. Add 2ml of glycerol to mixture. Sterilize by autoclaving for 15 minutes.

Ingredients:

  • Casein Digest Peptone: 12 g/L
  • Yeast Extract: 24 g/L
  • Dipotassium Phosphate: 9.4 g/L
  • Potassium Phosphate: 2.2 g/L

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

  • Appearance: Water soluble gelatin capsules containing cream to beige free flowing powder.
  • Appearance of Solution: Prepared medium is light to medium amber and clear
  • pH (4.76% solution at 25°C): 7.0 - 7.4
  • 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
  • Yeast Extract: 24.0 g/L
  • Casein Peptone: 12.0 g/L
  • Potassium phosphate dibasic: 9.4 g/L
  • Potassium phosphate monobasic: 2.2 g/L
  • Direction (Preparation): Add 2 capsules to one liter of purified water until evenly dispersed. Add 4ml of Glycerol to the mixture. Boil for one minute with stirring to completely dissolve. Distribute and autoclave at 121°C for 15 minutes.

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

 

PR1MA™ LB Broth 20 Gram Buffered Capsules [Lennox L Broth]

Common Name: Lennox L Broth
Solubility: Water
Storage Temp: Room Temperature

Now available in convenient premeasured and pre-mixed capsules. Prebuffered media eliminates pH adjustments, dust and smells from the lab. Low Salt Formula. Molecular Biology Grade.

For propagation and maintenance of E.Coli:

  • Add 1 capsule per liter of water.
  • Heat and stir until capsule is completely dissolved.
  • Buffer is set for 7.2 at 20°C using a 10mM solution of TRIS/TRIS HCl
  • 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.

  • Appearance: Capsules
  • Appearance of Solution: Prepared medium is yellow to gold and clear to moderately hazy
  • 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™ Nematode Growth Medium, Powder

 

Common Name: Nematode Growth Medium

Solubility: Water with Heat

Storage Temp: Room Temperature

 

A standard formulation for use in Nematode growth studies.

Contains:

Agar 17.5 g/l
Sodium Chloride 3.0 g/l
Peptone 2.5 g/l
Cholesterol 0.005 g/l
Shipping Dimensions: 3.50 x 3.75 x 3.50
Shipping Weight: 1.2 lbs

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

Specifications

  • Appearance: Light tan to pale yellow powder
  • Solubility: Clear Solution
  • pH (2.3% Solution @25 oC): Report
  • Agar: 17.5 g/l
  • Sodium Chloride: 3.0 g/l
  • Peptone: 2.5 g/l
  • Cholesterol: 0.005 g/l

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

Item#:
ASPRNGM

PR1MA™ SOB Broth, Powder

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 28 grams of Broth in 1 liter of distilled water. Heat gently to dissolve the medium completely. Dispense in tubes and sterilize by autoclaving for 15 minutes.

Ingredients:

  • Casein Enzymic Hydrolysate: 20 g/L
  • Magnesium Sulfate: 2.4 g/L
  • Yeast Extract: 5 g/L
  • Potassium Chloride: 0.186 g/L
  • Sodium Chloride: 0.5 g/L
  • Final pH(25°:C): 7.0+0.2
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 (2.8 % 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): 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™ Miller's LB Agar Capsules

Common Name: Miller's LB Agar
Solubility: Water with Heat
Storage Temp: Room Temperature

Super convenient. Eliminate messy weighing. Consistent and accurate measurement. Convenient premeasured and pre-mixed capsules. Prebuffered media eliminates pH adjustments.

Simply add 40 capsules to one liter of water, sterilize by autoclaving for 15 minutes at 121°C. Capsules contain all necessary ingredients for maintenance and propagation of E. Coli.

Ingredients
  • Casein Digest Peptone: 10 g / L
  • Yeast Extract: 5 g / L
  • Sodium Chloride: 10 g / L
  • Agar: 15 g / L
  • TRIS/TRIS HCl: 1.5 g / L 

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

Item#:
ASPR1MAMILLERLBAGAR
 

PR1MA™ LB Broth 1 Gram Buffered Capsules [Lennox L Broth]

Common Name: Lennox L Broth
Solubility: Water
Storage Temp: Room Temperature

Now available in convenient premeasured and pre-mixed capsules. Prebuffered media eliminates pH adjustments, dust and smells from the lab. For propagation and maintenance of E.Coli. Low Salt Formula. Molecular Biology Grade.

Add 20 capsules per liter of water. Heat and stir until capsule is completely dissolved. Buffer is set for 7.2 at 20°C using a 10mM solution of TRIS/TRIS HCl. 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.

  • Appearance: Capsules
  • Appearance of Solution: Prepared medium is yellow to gold and clear to moderately hazy
  • pH (2.15% solution @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

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

PR1MA™ NZCYM Broth

Solubility: Water
Storage Temp: Room Temperature

Enriched medium for cultivating recombinant strains of E.Coli and propagating theta bacteriophage.

Dissolve 22 grams in 1 liter distilled water. Sterilize by autoclaving for 15 minutes.

Casein Digest Protein: 10 g/L
Yeast Extract: 5 g/L
Casamino Acids: 1 g/L
Magnesium Sulfate: 0.98 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 (2.2 % Solution): 6.8 - 7.2
  • Escherichia coli ATCC 23724: Good to Excellent
  • Escherichia coli ATCC 33694: Good to Excellent
  • Escherichia coli ATCC 33849: Good to Excellent
  • Escherichia coli ATCC 39403: Good to Excellent
  • Escherichia coli ATCC 47014: Good to Excellent
  • Escherichia coli ATCC 53868: Good to Excellent
  • Country of Origin: Report

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

PR1MA™ Nutrient Broth

Solubility: Water
Storage Temp: Room Temperature

For cultivating a variety of non-fastidious organisms.

Dissolve 8 grams in one liter distilled water. Heat solution to boiling with continuous stirring for one minute. Sterilize by autoclaving at 121°C for 15 minutes. Store at room temperature.

Beef Extract: 3 g/L
Pancreatic Digest of Gelatin: 5 g/L

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

  • Appearance: Homogeneous Free Flowing,Beige Powder
  • pH (0.8 % Solution @25 oC): 6.6 - 7.0
  • Microorganism (Bacillus Subtilis ATCC 9372): Fair to Good
  • Microorganism (Escherichia Coli ATCC 25922): Good to Excellent
  • Microorganism (Salmonella Typhimurium ATCC 14028 ): Fair to Excellent
  • Microorganism (Staphylococcus Aureus ATCC 25923): Good to Excellent
  • Pancreatic digest of gelatin: 5.0 g/L
  • Beef Extract: 3.0 g/L

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


PR1MA™ Nutrient Agar

 

Solubility: Water with Heat

Storage Temp: Room Temperature

 

For cultivating a variety of non-fastidious organisms.

Dissolve 23 g in one liter of distilled water. Heat the solution to a boil with continuous stirring for one minute. Sterilize by autoclaving at 121°C for 15 minutes. Mix the medium with gentle agitation to avoid bubbles prior to pouring plates. Store at room temperature.

Ingredients

  • Beef Extract: 3 g/L
  • Pancreatic Digest of Gelatin: 5 g/L
  • Shipping Dimensions: 3.50 x 7.00 x 3.50
  • Agar: 15 g/L
  • Shipping Weight: 1.2 lbs

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

  • DCM Appearance: Homogeneous Free Flowing, Beige
  • PPM Appearance: Trace to Light Haze, None to Light PPT, Light Beige Amber
  • pH (2.3% Solution @25 oC): 6.6 - 7.0
  • Bacillus Subtilis ATCC 9372: Good to Excellent
  • Microorganism (Escherichia Coli ATCC 25922): Good to Excellent
  • Microorganism -Pseudomonas Aeruginosa ATCC 27853: Good to Excellent
  • Microorganism (Staphylococcus Aureus ATCC 25923): Good to Excellent
  • Salmonella Typhimurium ATCC 14028: Good to Excellent

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

PR1MA™ Luria Broth 1 Liter Buffered Capsules [Miller's LB Broth]

Each capsules has 25 g.  The 500 g package has 20 capsules, the 1 KG is 40 capsules and the 5 KG is 200 capsules.

CAS Number: 91079-40-2; 8013-01-2; 7647-14-5; 77-86-1; 1185-53-1
Solubility: Water
 Storage Temp: Room Temperature

Now available in convenient pre-measured and pre-mixed capsules. Pre-buffered media eliminates messy weighing and pH adjustments.

Simply dissolve 1 capsule per 1 Liter of distilled water. Water must be 37°C or warmer to completely dissolve gelatin capsule. Agitate. Sterilize by autoclaving for 15 minutes before use. Buffer is set for 7.2 at 20°C using a 10mM solution of Tris/Tris HCl. pH will vary depending on temperature.

For maintenance and propagation of E. Coli. High Salt Formula. Molecular Biology Grade.

Ingredients
:

  • Tryptone: 10 g/L
  • Sodium Chloride: 10 g/L
  • Yeast Extract: 5 g/L
  • Tris/Tris HCl: 1.5 g/L

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

  • Appearance: Capsules (cream to pale beige free flowing powder)
  • 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™ Potato Dextrose Agar

 

CAS Number: 9012-36-6
Storage Temp: Room Temperature

Potato Dextrose Agar (PDA) is a versatile medium used for cultivating fungi, yeasts, and molds. It can be modified with acid or antibiotics to prevent bacterial growth and is commonly used for plate count methods in food, dairy, and cosmetic testing. PDA is suitable for growing clinically important yeast and molds. The nutrient-rich potato infusion in PDA promotes mold sporulation and pigment production in certain dermatophytes.
Research or further manufacturing use only, not for food or drug use.

  • Microorganism (Aspergillus niger ATCC 16404): Good to Excellent
  • Microorganism (Candida albicans ATCC 10231): Good to Excellent
  • Microorganism (Penicillium Roquefortii ATCC 10110): Good to Excellent
  • Microorganism (Saccharomyces cerevisiae ATCC 9763): Good to Excellent
  • Microorganism (Trichophyton interdigitale ATCC 9533): Good to Excellent
  • pH (4.04% H2O @25°C): 5.4 - 5.8

Item # KCP55000-1000 is proudly made in the USA! Click here for more made in America products!  

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