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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™ Lactobacillus MRS Broth Powder

Solubility: Water
Storage Temp: Room Temperature

Recommended for the selective isolation and enumeration of lactobacilli.

Ingredients:

  • Peptic Digest of Animal Tissue: 10.0g
  • Beef Extract: 10.0g
  • Yeast Extract: 5.0g
  • Ammonium Citrate: 2.0g
  • Dextrose: 20.0g
  • Polysorbate 80:1.0g
  • Sodium acetate: 5.0g
  • Magnesium Sulfate: 0.1g
  • Manganese Sulfate: 0.05g
  • Sodium Phosphate, Dibasic: 2.0g

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

  • DCM Appearance: Homogeneous, free flowing with soft lumps, yellow beige to yellow tan
  • PPM Appearance: Clear, no to light ppt, medium to dark amber
  • Microorganism (Lactobacillus Casei ATCC 393 ): Good to Excellent
  • Microorganism (Lactobacillus Fermentum ATCC 9338 ): Good to Excellent
  • Microorganism (Lactobacillus Plantarum ATCC 8014 ): Good to Excellent
  • Microorganism (Lactobacillus Rhamnosus ATCC 9595 ): Good to Excellent
  • pH (5.5 % Solution @25 oC): 6.3 - 6.7

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

Item#:
ASLACTOBAC
 
PR1MA Growth Media
Safety Data Sheet for PR1MA Lactobacillus MRS Broth Powder
[Citric Acid, Trisodium Dihydrate]

PR1MA™ Sodium Citrate, Trisodium Salt, Dihydrate, [Citric Acid, Trisodium Dihydrate]

Common Name: Citric Acid, Trisodium Dihydrate
CAS Number: 6132-04-3
Molecular Weight: 294.1
Chemical Formula: C6H5Na3O7  2H2O
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White crystalline powder
  • Assay: ≥ 99.0 %
  • pH (5% Solution): 7.0 - 9.0
  • Alkalinity: Pass Test
  • Chloride: ≤ 50 ppm
  • Heavy Metals : ≤ 10 ppm
  • Identification Tests: Passes Tests
  • Loss on Drying: 10.0 - 13.0 %
  • Sulfate : ≤ 150 ppm
  • Tertrate: Meets USP Test
  • Grade: Meets current USP Specifications

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

Item#:
ASCITRATESOD
 
Safety Data Sheet for PR1MA Sodium Citrate, Trisodium Salt, Dihydrate, [Citric Acid, Trisodium Dihydrate]
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