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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.

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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 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
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 (2.0% 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

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

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

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

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

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

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

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

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

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

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!

Item#:
ASLABCONZAPRAININLTS


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