Supplies

High-Quality Laboratory Supplies for Reliable Research

MIDSCI understands that the right lab supplies are the foundation of reliable research across the life sciences. When your lab relies on frequent replenishment of essential scientific supplies, we deliver the labware you need with the speed and personalized service you don’t see with big-box distributors.

From glassware and plasticware to PPE, pipette tips, test tubes, and reagent reservoirs, we offer over 40,000 products designed for accuracy, durability, and compliance. Whether you work in life sciences, microbiology, or pharmaceutical development, our lab essentials help you maintain efficiency without compromising quality.

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BioBucket Collapsible Lab Bucket

 

Space-Saving Ice & Sample Container.

 

The BioBucket Collapsible Lab Bucket is a versatile, space-saving container ideal for any laboratory or field setting. Its collapsible design makes it easy to store when not in use, while its durable construction allows for use as an ice bucket or portable liquid/sample container.

 

Perfect for keeping samples cool during extended periods, the BioBucket includes an inner-lid access port to enhance temperature retention. It features an attached handle for effortless transport and a molded base grip for easy, controlled pouring and cleaning.

 

Whether used in the lab or out in the field, BioBucket is a reliable solution for sample collection, ice storage, or liquid transport.

 

Key Features

  • Collapsible body for compact storage
  • Ideal for use with crushed ice to keep samples cool
  • Inner-lid access port improves insulation
  • Attached handle for easy portability
  • Molded grip on base for controlled pouring
  • Great for environmental fieldwork and lab applications
  • Dimensions: 10 x 7.5 In.

Item#:
ASBIOBUCKET


Borosilicate Glass Filtering Flasks

  • Heavy wall borosilicate filtering flask includes a heavy-duty rim and a bolt neck with tabulation.
  • Graduations are printed in durable white enamel.

Specifications 

Item #CapacityApprox. OD x HeightGraduation RangeGraduation InternalStopper SizeTubing SizeQty/pk
FG5340-5050 mL52 x 85 mm20 - 50 mL10 mL53/8 In.6
FG5340-100100 mL64 x 108 mm50 - 100 mL25 mL53/8 In.6
FG5340-250250 mL86 x 160 mm100 - 250 mL25 mL63/8 In.1
FG5340-500500 mL108 x 190 mm200 - 500 mL50 mL63/8 In.1
FG5340-10001000 mL138 x 245 mm400 - 1000 mL50 mL83/8 In.1
FG5340-20002000 mL170 x 305 mm600 - 2000 mL200 mL9.51/2 In.1
FG5340-50005000 mL237 x 390 mm1500 - 5000 mL500 mL131/2 In.1
Item#:
ASBOROFILFKS


Heathrow Scientific® Sibata Volumetric Flasks with Glass Stopper

 

Heathrow Scientific® Sibata Volumetric Flasks with Glass Stopper are precisionmanufactured for accurate and reliable volume measurement in laboratory applications. These volumetric flasks feature machineblown bodies and heavybeaded, heavytubing necks that are expertly tooled to accept standard taper glass stoppers.

 

Constructed from premium borosilicate glass, these flasks provide exceptional clarity, superior chemical resistance, and a low coefficient of thermal expansion for dependable performance. Each flask is supplied with a matching glass stopper that creates a leakproof, airtight seal, helping to preserve sample integrity while enhancing the accuracy and reliability of volumetric measurements.

Designed to contain (TC) and calibrated at 68°F (20°C), the sharply defined, uniform graduation line ensures precise volume determination. A large marking square allows for easy labeling, and the wide range of available sizes, from 5 mL to 2000 mL, makes these flasks suitable for analytical, research, qualitycontrol, and educational laboratories. These volumetric flasks meet ASTM E288 Class A specifications and USP standards for laboratory glassware.

 

Main Attributes

  • Made of premium borosilicate glass with a low coefficient of expansion
  • Designed to contain (TC); calibrated at 68°F (20°C)
  • Sharply defined, uniform graduation line for accurate readings
  • Large marking square for clear sample identification
  • Includes a standard taper glass stopper for a leakproof, airtight seal
  • Wide range of sizes available (5 mL to 2000 mL)
  • Meets ASTM E288 Class A specifications and USP standards for glassware   
Item#:
ASSIBVOLFLASGLST


Heathrow Scientific
® Sibata Amber Volumetric Flasks with Stopper

  • Color: Amber
  • Material: Borosilicate Glass

These volumetric flasks are constructed of low-actinic amber glass, providing protection for materials that are sensitive to light. Each flask features machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers. Each volumetric flask is supplied with a standard taper glass stopper, which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the reliability of your volumetric measurements.

 

Mian Attributes

  • Low-actinic amber for light-sensitive materials
  • Made of premium borosilicate glass with a low coefficient of expansion
  • Designed “to contain” with a temperature of calibration at 68°F (20°C)
  • The graduation line is sharply defined and of uniform width
  • Each flask has a large marking square and includes a glass stopper
  • Wide range of sizes available (10 mL to 1000 mL)
  • Meets ASTM E-288 Class A specifications & USP standards for glassware   
Item#:
ASSIBVOLFLASGLSTAMB


Heathrow Scientific
® Sibata Volumetric Flasks with Snap Cap

  • Material: Borosilicate Glass 

Heathrow Scientific® Sibata Volumetric Flasks with Snap Cap are designed for precise volume measurement and dependable laboratory performance. These high-quality volumetric flasks feature machine-blown bodies and heavybeaded, heavy-tubing necks tooled specifically for a secure snapcap fit.

 

Constructed from premium borosilicate glass, these flasks offer exceptional clarity, superior chemical resistance, and a low coefficient of thermal expansion for consistent and accurate results. Each volumetric flask is supplied with a durable snap cap that helps protect against spills, contamination, and accidental breakage during handling and storage.

 

Designed to contain (TC) and calibrated at 68°F (20°C), the sharply defined, uniform graduation line ensures accurate volume determination. A large marking square allows for easy labeling, while a wide range of available sizes, from 10 mL to 1000 mL, provides flexibility for analytical, research, and qualitycontrol laboratory applications. These flasks meet ASTM E288 Class A specifications and USP standards, ensuring reliable, high-precision volumetric performance.

 

Main Attributes

  • Made of premium borosilicate glass with a low coefficient of expansion
  • Designed to contain (TC); calibrated at 68°F (20°C)
  • Sharply defined, uniform graduation line for accurate readings
  • Large marking square for clear sample identification
  • Includes a secure snap cap to help protect against spills and breakage
  • Wide range of sizes available (10 mL to 1000 mL)
  • Meets ASTM E288 Class A specifications and USP standards for glassware   
Item#:
ASSIBVOLFLASNCAP

Volumetric Flasks with ST Stopper, Class A, Batch Certified

  • Durable, machine blown body
  • Heavy beaded tubing neck
  • Feature a sharp graduation line and large white block letters
  • Ground glass stopper included
  • Meets Class A specifications per ASTM E288

 Specifications
 
Item #CapacityToleranceStopper Size
FG5640-55 mL ± 0.02 mL9
FG5640-1010 mL± 0.02 mL9
FG5640-2020 mL± 0.03 mL9
FG5640-2525 mL± 0.03 mL9
FG5640-5050 mL± 0.05 mL9
FG5640-100100 mL± 0.08 mL13
FG5640-200200 mL± 0.1 mL16
FG5640-250250 mL± 0.12 mL16
FG5640-500500 mL± 0.2 mL19
FG5640-10001000 mL± 0.3 mL22
FG5640-20002000 mL± 0.5 mL27
 

Item#:
ASGLASCOLST

Borosilicate Glass Erlenmeyer Flasks, Set of 5

  • A convenient set of 5 Borosilicate Glass Erlenmeyer Flasks.
  • Set consists of one each of 50 mL, 125 mL, 250 mL, 500 mL, and 1000 mL Flasks.
 
Item#:
ASERLENSET

Square Media Bottles

  • Media Bottles are ideal for media prep and storage of laboratory reagents and biological buffers
  • For use in stem cell, mammalian, and bacterial culture applications
  • Flat surface polyethylene (HDPE) caps are ideal for marking
  • Manufactured from medical grade virgin PETG which reduces gas permeability
  • RNase, DNase and Pyrogen free
Item#:
ASMEDIASQUARE


Labcon 24 and 48 Place Bench Top Racks

  • Hold 1.5 mL, 1.7 mL, and 2.0 mL microtubes
  • Freezable (-190°C) and autoclavable (122°C)
  • Racks float in water baths

Labcon 24-Place and 48-Place micro centrifuge tube and cryo-vial storage system. For 1.5 mL and 2.0 mL tubes. These racks fit into Labcon pipette tip boxes and are made of recycled plastic. Fully autoclavable (122°C) and freezable (-190°C). Stackable racks float in your water bath and can incorporate dry ice for use with frozen samples on the bench.

Specifications
 
Material100% Polypropylene
GradeMedical
RatingUSP Class VI
ColorWhite
LengthVarious
Fits1.5 to 2 mL Tubes
Approved UseMedical, Research, Industrial, Food and Beverage

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

Item#:
ASLABSTORCKS


SureSeal S Sterile Microcentrifuge Tubes

 

SureSeal S Sterile Microcentrifuge Tubes are high-performance tubes designed for a wide range of laboratory and research applications, including enzyme digests, DNA isolation and purification, centrifugation, incubation, and general sample or reagent storage.

 

Manufactured in cleanroom conditions, SureSeal S tubes use BioClear co-polymer. This advanced polypropylene offers exceptional clarity, superior centrifugal strength (tested up to 28,000 x g), and a wide working temperature range from –90°C to +121°C. This makes them ideal for both high-speed centrifugation and thermal applications.

 

Each tube features a full-sized cap with a frosted marking surface and a unique ring-and-groove closure system, providing a secure liquid-tight seal while reducing the force needed to open and close. This ergonomic design improves handling and reduces hand strain during routine lab use.

 

SureSeal S tubes are rigorously tested and certified RNase-free, DNase-free, and pyrogen-free, ensuring compatibility with sensitive molecular biology workflows.

 

Main Attributes

  • Sterile standard, sterilized by electronbeam radiation
  • Self-standing bags with gusseted bottoms for easy storage
  • StopPops™ included – 10 cap locks per bag for added security
Item#:
ASMIDSCITUBES


ScrewSeal Screw Cap Microcentrifuge Tubes

 

ScrewSeal Screw Cap Microcentrifuge Tubes are high-performance, sterile microtubes designed for secure sample handling across a wide range of laboratory applications. Available in multiple sizes, cap styles, and graduation options, including light-blocking amber tubes for light-sensitive samples, these tubes deliver exceptional versatility and protection.

 

Manufactured from ultra-clear polypropylene, ScrewSeal tubes provide excellent visibility for accurate sample inspection. Each tube includes an assembled screw cap with a silicone O-ring, ensuring a dependable leak-proof seal from –90°C to +121°C. This makes them ideal for freezing, boiling, centrifugation, and long-term storage.

 

All ScrewSeal microtubes are sterile, RNase-free, DNase-free, and pyrogen-free, supporting use in sensitive molecular biology workflows. They are engineered to withstand centrifugation speeds up to 22,000 x g when used with appropriate rotors, cushions, and adapters.

 

Main Attributes

  • Ultraclear polypropylene for optimal visibility
  • Leak-proof silicone O-ring screw cap
  • Light-blocking amber options available
  • Sterile; RNase, DNase, and pyrogen-free
  • Withstands up to 22,000 x g
Item#:
AS5MLTUBES


Gel Crusher Spin Column

 

Rapid Gel Fragmentation for DNA Recovery.

 

Gel Crusher Spin Columns provide a fast, efficient, and consistent method for gel fragmentation, replacing traditional crush-and-soak or manual gel breaker steps. Designed with 600 uM filtration pores, these columns enable quick and uniform fragmentation of agarose or acrylamide gel slices, saving time and increasing DNA recovery yields.

 

Ideal for workflows in molecular cloning, PCR cleanup, restriction digests, DNA sequencing, and labeling protocols, the Gel Crusher simplifies the preparation of gel fragments for downstream purification and elution steps.

 

Simply insert the Gel Crusher column into a 2 mL microcentrifuge tube, add your pre-cut gel slice (prepared using a gel cutter or razor blade), and centrifuge at max speed (~15,000 x g) for 5 minutes. The gel will be forced through the 600 uM pores, producing small, uniform fragments that can be easily pipetted using wide-bore tips into NaCl or other solutions.

 

This process creates a fine slurry that enhances elution efficiency and improves access to the target nucleic acids, significantly reducing incubation and processing time.

 

Key Features

  • Efficiently breaks gel slices into uniform fragments
  • Eliminates manual crush-and-soak steps
  • Increases DNA yield and recovery efficiency
  • Fits standard 2 mL microcentrifuge tubes
  • Compatible with standard benchtop centrifuges (up to 15,000 x g)
  • 600 uM pore size ideal for agarose or acrylamide gels
  • Simplifies downstream processes: elution, filtration, incubation
  • For use in PCR, cloning, digestion, sequencing, and more 

Reversible Racks

  • Choose 60 well (5 x 12) or 96 well (8 x 12) formats
  • Reversible racks, accept 0.5 and 1.5 to 2.0 mL microtubes
  • Alphanumeric marking on each well
  • Made of polypropylene

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