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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2026 Centrifuge Promo!


For a limited time, enjoy discounted pricing on the
PR1MA™ MC-24 Touch High Speed Microcentrifuge (MC24)

 

WAS $2,693.23 | NOW $1,990.00

 

Use promo code CEN26.

 

Click here for more Benchmark Bundles

or see flyer for more details.

 

Free offers require purchase of designated item(s) at list price (Price reflected in flyer).

Offer is valid from 06/30/26 to 12/31/26 or while supplies last.

Cannot be combined with other offers or discounts. Not valid on previous purchases or institutional pricing.

Special price applies only to the item specified. Valid in the USA only.

All standard terms and conditions apply.


PR1MA MC-24 Touch High-Speed Microcentrifuge

The PR1MA MC-24 Touch is the first microcentrifuge in its class to feature touchscreen control. In addition to the next-generation control panel, the centrifuge also offers high speed (up to 13,500 rpm / 16,800 xg) and a unique COMBI-Rotor with lid that accepts both standard microtubes (1.5 / 2.0 mL) and PCR tubes/strips (0.2 mL), making this the perfect partner for any molecular biology laboratory.

The large, color touchscreen, shows the actual speed (in rpm or rcf) along with set and remaining time. Up to 9 speed/time profiles can be stored in memory and the home screen displays a “mySpin” icon for instant recalls a designated favorite profile.

Supplied with Benchmark’s unique COMBI-Rotor
, the MC-24 Touch will accept 24 × 1.5 / 2.0 mL tubes, 2 strips of 0.2 mL tubes (16 × 0.2 mL), and up to 12x spin column kits without requiring separate adapters. There is also an optional 8-place rotor for 5 mL and cryo tubes. Samples are kept cool, even during extended runs at the maximum speed setting by a proprietary air flow system that moves air evenly and quietly throughout the chamber.

The MC-24 Touch is cold room safe and carries a 2-year warranty.

  • Full-Color Touch Screen
  • mySpin 1 button program recall
  • COMBI-rotor accepts tubes and strips
  • Compact, only 9 x 12 x 7.75 In.
  • Variable speed control, set In rpm or rcf

The PR1MA MC-24 Touch High-Speed Microcentrifuge spins 24 1.5 / 2.0 mL tubes and 2 PCR strips simultaneously. 0.5 mL tube adapters (C1008-A5-6) are also available for purchase.

 

Item # MC24 is proudly made in the USA! Click here for more made in America products!
 

Item#:
ACAMMC24CENT

PR1MA Distilled Water, Laboratory Reagent Grade

CAS Number: 7732-18-5
Molecular Weight: 18.02
Chemical Formula: H2O

Laboratory reagent grade. Purified by steam distillation for use as a research laboratory reagent. Not intended or sold for human consumption. 10 Liter size supplied in a Cubitainer with pouring spout.

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

  • Appearance: Clear Liquid
  • Alkalinity (Total as CaCO3):  20 ppm
  • Aluminum (Al):  0.2 ppm
  • Antimony (Sb):  0.006 ppm
  • Arsenic (As):  0.01 ppm
  • Barium (Ba):  2 ppm
  • Beryllium (Be):  0.004 ppm
  • Boron (B):  1 ppm
  • Bromate:  0.010 ppm
  • Bromide:  0.005 ppm
  • Cadmium (Cd):  0.005 ppm
  • Calcium (Ca):  2 ppm
  • Chloride (ASTM D5442):  50 ppb
  • Chromium (Cr):  0.10 ppm
  • Cobalt (Co):  0.15 ppm
  • Conductivity (ASTM D1125):  5.0 µS/cm
  • Copper (Cu): ≤ 1 ppm
  • E.Coli:  1 MPN/100ml
  • Fluoride :  4 ppm
  • Foaming Agents:  0.5 mg/l
  • Hardness (as CaCO3):  10 mg/l
  • Heterotrophic Bacteria (F1094):  100 cfu/10ml
  • Iron (Fe):  0.3 ppm
  • lead (Pb):  0.015 ppm
  • Magnesium (Mg):  0.10 ppm
  • Manganese (Mn):  0.05 ppm
  • Mercury (Hg):  0.002 ppm
  • Molybdenum (Mo):  0.15 ppm
  • Nickel (Ni) :  0.005 ppm
  • Nitrate as N:  10 ppm
  • pH (ASTM D1293): 5.0 - 7.0
  • Phosphorous (P):  1 ppm
  • Potassium (K) :  1 ppm
  • Resistivity (ASTM D1125):  0.2 megaohm
  • Scandium (SC):  0.15 ppm
  • Selenium (Se):  0.05 ppm
  • Silica (ASTM D4517) : No Limit ppb
  • Silver (Ag):  0.10 ppm
  • Sodium (ASTM 6071):  50 ppb
  • Standard Plate Count:  500 cfu/ml
  • Strontium (Sr):  0.15 ppm
  • sulfate:  250 ppm
  • Thallium (Tl):  0.002 ppm
  • Tin (sn):  0.15 ppm
  • Titanium (Ti):  0.15 ppm
  • TOC (ASTM 5997): No Limit ppm
  • Total Coliform:  1 MPN/100ml
  • Total Radium: 0.5835 - 1.491 pCi/l
  • Uranium (U):  0.030 ppm
  • Vanadium (V):  0.15 ppm
  • Zinc (Zn) :  5 ppm

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

PR1MA Water, HPLC Grade

CAS Number: 7732-18-5
Molecular Weight: 18.0
Chemical Formula: H2O
Storage Temp: Room Temperature

Certified RNase and DNase free for use in molecular biology applications. Ideal for making reagents, rinsing glass and plastic ware, enzymatic reactions and more. Toxic agents such as DEPC are not used in purification procedures.

  • Endotoxin Free
  • RNase Free
  • DNase Free

*Tested to < 0.001 EU/ML

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

  • Appearance: Clear and Colorless Solution
  • TOC (ppb):  3 ppb
  • UV Absorbance (1 cm cell Vs Water) @ 190nm:  0.01
  • UV Absorbance (1 cm cell Vs Water) @ 200 nm:  0.010
  • UV Absorbance (1 cm cell Vs Water) @ 210 nm:  0.010
  • UV Absorbance (1 cm cell Vs Water) @ 250 nm:  0.005
  • UV Absorbance (1 cm cell Vs Water) @ 254 nm:  0.005
  • UV Absorbance (1 cm cell Vs Water) @ 280 nm:  0.005
  • Filtered through Ultrafiltration (0.01 Micron): Conforms
  • Country of Origin: USA

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

PR1MA  Water, Molecular Biology Grade, DNase and RNase Free

CAS Number: 7732-18-5
Molecular Weight: 18.0
Chemical Formula: H2O
Storage Temp: Room Temperature

Certified RNase and DNase free for use in molecular biology applications. Ideal for making reagents, rinsing glass and plastic ware, enzymatic reactions and more. Toxic agents such as DEPC are not used in purification procedures.

  • Endotoxin Free
  • RNase Free
  • DNase Free

*Tested to < 0.001 EU/ML

Meets or exceeds CAP/CLSI specifications for Clinical Laboratory Reagent Water (CLRW) and USP/NF Purified Water.

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

  • Appearance: Clear and Colorless Solution
  • Bioburden : No Growth
  • DNase: No Visible Degradation
  • Protease: No Visible Degradation
  • RNase: No Visible Degradation
  • Country of Origin: USA

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

PR1MA-Shell Plates - 384-Well, Full Skirted

Discover the next generation of PCR plates: Rugged Polycarbonate Frame + Polypropylene Wells

 

Engineered for unparalleled durability, PR1MA-Shell PCR Plates are designed to accommodate all laboratory workflows and are ideal for use on automated liquid handling platforms.

 

PR1MA-Shell sets a new standard in performance and convenience.

  • The polycarbonate frame is rigid and flat to facilitate a firm grip by robotic arms and ensure reliable placement
  • Polypropylene wells provide optimal thermal transfer and higher reaction efficiency
  • White well options enhance the fluorescence signal during qPCR
  • Wells are slightly raised to ensure evaporation-proof sealing with film, foil, or strip caps
  • ANSI/SBS footprint and well spacing
  • Vibrant colors offer a visual distinction between different samples or experiments
  • Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free 

Trust MIDSCI for PCR consumables that deliver accurate and reproducible results, empowering you to make groundbreaking discoveries.

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

PR1MA-Shell Plates - 96-Well, Full Skirted

Discover the next generation of PCR plates: Rugged Polycarbonate Frame + Polypropylene Wells

 

Engineered for unparalleled durability, PR1MA-Shell PCR Plates are designed to accommodate all laboratory workflows and are ideal for use on automated liquid handling platforms.

 

PR1MA-Shell sets a new standard in performance and convenience.

  • The polycarbonate frame is rigid and flat to facilitate a firm grip by robotic arms and ensure reliable placement
  • Polypropylene wells provide optimal thermal transfer and higher reaction efficiency
  • White well options enhance the fluorescence signal during qPCR
  • Wells are slightly raised to ensure evaporation-proof sealing with film, foil, or strip caps
  • ANSI/SBS footprint and well spacing
  • Vibrant colors offer a visual distinction between different samples or experiments
  • Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free

Trust MIDSCI for PCR consumables that deliver accurate and reproducible results, empowering you to make groundbreaking discoveries.

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

PR1MA-Shell Plates - 96-Well, Semi Skirted

Discover the next generation of PCR plates: Rugged Polycarbonate Frame + Polypropylene Wells

 

Engineered for unparalleled durability, PR1MA-Shell PCR Plates are designed to accommodate all laboratory workflows and are ideal for use on automated liquid handling platforms.

  • PR1MA-Shell sets a new standard in performance and convenience.
  • The polycarbonate frame is rigid and flat to facilitate a firm grip by robotic arms and ensure reliable placement
  • Polypropylene wells provide optimal thermal transfer and higher reaction efficiency
  • White well options enhance the fluorescence signal during qPCR
  • Wells are slightly raised to ensure evaporation-proof sealing with film, foil, or strip caps
  • ANSI/SBS footprint and well spacing
  • Vibrant colors offer a visual distinction between different samples or experiments
  • Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free 

Trust MIDSCI for PCR consumables that deliver accurate and reproducible results, empowering you to make groundbreaking discoveries.

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


PR1MA Semi-Skirted PCR Plates

  • PR1MA PCR Plates have uniformed wells and ultra-thin walls provide optimal heat transfer and reaction efficiency.
  • Fits most thermal cyclers.
  • High Contrast black alphanumerics for easy well identification.
  • Reclosable bags minimize contamination risk and are convenient for opening and closing.
  • For use in medical, pharmaceutical, food industry, and molecular biology.
  • Barcoded versions available upon special order. 
  • Certified free of detectable RNase, DNase, NA, PCR inhibitors, and tested pyrogen-free
  • PR-PCR2196F has a frosted surface for optimal fluorescence detection.  A frosted surface reduces background noise that can interfere with quantitative real-time PCR (qPCR).

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

PR1MA  Non-Skirted PCR Plates

  • PR1MA PCR Plates have uniformed wells and ultra-thin walls provide optimal heat transfer and reaction efficiency.
  • Fits most thermal cyclers.
  • High Contrast black alphanumerics for easy well identification.
  • Reclosable bags minimize contamination risk and are convenient for opening and closing.
  • For use in medical, pharmaceutical, food industry, and molecular biology.
Certified free of detectable RNase, DNase, NA, PCR inhibitors, and tested pyrogen-free.

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


PR1MA Full-Skirted PCR Plates

  • PR1MA PCR Plates have uniformed wells and ultra-thin walls provide optimal heat transfer and reaction efficiency.
  • Fits most thermal cyclers.
  • High Contrast black alphanumerics for easy well identification.
  • Reclosable bags minimize contamination risk and are convenient for opening and closing.
  • For use in medical, pharmaceutical, food industry, and molecular biology.
  • Barcoded versions available upon special order. 
  • Certified free of detectable RNase, DNase, NA, PCR inhibitors, and tested pyrogen-free. 

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


New Look, Same Reliable Product
 Now from PR1MA
™ with Updated Part Numbers

PR1MA Graduated Beakers

 

Durable, chemically resistant lab beakers.

 

PR1MA Graduated Beakers are designed for reliable, everyday laboratory use, offering durability, easy handling, and accurate liquid measurement. Made from chemically resistant polypropylene, these beakers withstand exposure to a wide range of acids, bases, and solvents, making them ideal for diverse lab applications. The molded pouring spout helps ensure smooth, drip-free transfers, while the angled walls support easy sample access and retrieval.

 

Designed with usability in mind, these beakers feature an extended lip for a secure grip and stacking ribs to prevent sticking, allowing for efficient storage and quick separation. Smaller case quantities make them especially convenient for labs with limited storage or lower volume needs.

 

Assorted pack includes 10 beakers of each size: 30 mL, 50 mL, 100 mL, 150 mL, 250 mL, 400 mL, and 600 mL

 

Main Attributes

  • Extended lip for gripping
  • Stacking ribs prevent sticking
  • Angled walls for easy handling
  • Resistant to many strong acids, bases, and solvents
  • Assorted pack available

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

Item#:
ASGRADBEAKER

PR1MA TBE 10x Solution

Common Name: TRIS-borate-EDTA 10X Solution
CAS Number: 77-86-1; 10043-35-3; 6381-92-6; 7732-18-5
Solubility: Water
Storage Temp: Room Temperature

TBE is a common buffer used in gel electrophoresis.

Supplied as a 1X concentrated solution containing:

89mM Tris Base
89mM Boric Acid
2mM EDTA disodium salt
pH (1X solution @ 25°:C): 8.3+0.1
Shipping Weight: 2.6 lbs

Shipping Dimensions: 3.50 x 9.00 x 3.50
  • Appearance: Clear, Colorless Solution
  • pH (1X Solution): 8.15 - 8.45
Research or further manufacturing use only, not for food or drug use.
 

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

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