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PR1MA
High‑Quality Lab Consumables, Chemicals, Equipment, and Instruments
PR1MA™ is MIDSCI’s exclusive laboratory brand, developed to deliver dependable performance, consistent quality, and competitive value for modern research labs. Designed with scientists in mind, PR1MA™ products span lab consumables, molecular biology reagents, and essential benchtop equipment, all manufactured to stringent quality standards and supported by the expert service MIDSCI™ is known for. Researchers across academia, biotech, pharma, and clinical labs trust PR1MA™ for reliable results without unnecessary complexity or cost.
From pipette tips, PCR tubes, and microplates to PCR master mixes, protein markers, and mini centrifuges, every PR1MA™ product is selected for accuracy, usability, and purity. Many items are RNase/DNase‑free, sterile, and non‑pyrogenic, helping protect sample integrity in critical workflows like PCR, electrophoresis, and cell culture.
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PR1MA™ Proteinase K
CAS Number:
39450-01-6
Solubility:
Water
Storage Temp:
-20°C
From Tritirachium album. Serine protease for proteolytic inactivation of nucleases during isolation of DNA and RNA.
Shipping Weight:
0 lbs
Shipping Dimensions:
1.25 x 1.75 x 1.25
Specifications
Appearance: White to Off White Lyophilized Solid
Solubility: 50mM Tris-HCl (pH 7.5), 3mM CaCl2, 50% Glycerol
Purity: ≥ 98.0 %
DNase/ RNase: Not Detected
Activity: ≥ 30.0 U/mg
Unit Definition: 1 unit is defined as the amount of enzyme that will
liberate 1.0 µmol of tyrosine from casein/min @37°C, pH 7.5
Country of Origin: China
Research or further manufacturing use only, not for food or drug use.
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PR1MA™ LTS™ Style Pipette Tips
These tips deliver superior accuracy and precision, ensuring reliable and consistent results. We are proud to manufacture our products in the USA and are committed to sustainability.
Our racks and boxes are made from our exclusive post-consumer resin, while the tips and lids are made from 100% virgin polypropylene for optimum clarity and purity.
These tips are the perfect fit for use with Rainin® LiteTouch® pipettors and are compatible with both single- and multi-channel LiteTouch® pipettors.
- Compatible with Rainin® single- and multi-channel LiteTouch® pipettors
- Light force required to add or eject tips
- Available in racked, sterile, filtered sterile, and reload varieties
- Tips are made from medical-grade virgin polypropylene
Rack bases and grids are made from our exclusive 50% post-consumer recycled polypropylene—a reduction of up to 30% in the use of virgin polypropylene per rack of tips.
- Proprietary resin technology facilitates clean release
- Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free
Upgrade your pipetting experience with PR1MA™ LTS-Style Tips, which feature ultralow ejection force for comfortable, ergonomic pipetting.
Rainin, LTS and LiteTouch are registered trademarks of Mettler-Toledo Rainin, LLC.
Proudly made in the USA! Click here for more made in America products!
New Look, Same Reliable Product - Now from PR1MA™!
PR1MA™ 5 and 10 mL Transport Tubes
Leak-Proof, 95kPa Compliant, and Sterile.
PR1MA™ Transport Tubes are high-quality, leak-proof tubes designed for the secure transport, storage, and freezing of biological samples. Widely used in clinical, hospital, pharmaceutical, environmental, food testing, and research laboratories, these tubes meet the rigorous demands of modern laboratory workflows and 95kPa transportation compliance—making them suitable for air transport of infectious or high-value specimens.
These 5 mL (16 x 60 mm) and 10 mL (16 x 80 mm) tubes are constructed from high-grade polypropylene and feature vivid white printed graduations and a dedicated marking area for easy sample identification and tracking. All tubes are self-standing for stable benchtop use.
Two reliable sealing options are available:
- Standard Screw-Cap Tubes – Features a leak-proof 1.25-turn screw cap that comes pre-attached for convenience
- O-Ring Screw-Cap Tubes – Engineered with an integrated silicone O-ring that exceeds 95kPa standards, ensuring maximum containment in high-pressure and extreme temperature environments
Both types are available in:
- Sterile (with pre-attached caps)
- Non-sterile (with separately packaged caps)
- RNase, DNase, and pyrogen-free
- 100/bg, 10 bgs/cs for high-throughput laboratory use
Key Features
- Leak-proof screw caps (standard or O-ring options)
- Exceeds 95kPa compliance standards for safe air transport
- Durable, medical-grade polypropylene
- Clear printed graduations and writing area
- Available in 5 mL and 10 mL sizes
- Sterile (pre-attached caps) and non-sterile (caps separately packaged)
- Self-standing design for benchtop stability
- Ideal for storage, freezing, and transport of liquid samples
PR1MA™ Formamide, Super Pure
Specifications
- Appearance: Clorless Liquid
- Assay: ≥ 99.5 %
- Freezing Point: 1.0 - 3.0 °C
- Copper: ≤ 0.0001 %
- Iron: ≤ 0.0005 %
- Lead (Pb): ≤ 0.0001 %
- Zinc: ≤ 0.0001 %
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PR1MA™ 2-Well Deep Well Plates
High capacity deep well plates for scalable cell culture and efficient mixing.
Upgrade your cell culture workflow with PR1MA™ 2-Deepwell Microplates, expertly designed to handle larger culture volumes and replace traditional 250 mL flasks. Made from pure polystyrene with no additives, each plate features two deep wells and comes with a transparent polystyrene lid for secure and sterile handling.
Key Features
- Each square well holds approximately 230 mL, ideal for large-scale cultures
- Pyramid bottom design promotes easy and efficient centrifugation, allowing for central pellet formation
- Sterilized by gamma irradiation and non-autoclavable to ensure optimal sterility
- Designed for shaking at 180 rpm (50 mm orbit) or 225 rpm (25 mm orbit) to maximize aeration and mixing efficiency
- Wells are 80 mm deep with slightly rounded corners to reduce foaming during agitation
- Packed in boxes of 4, each plate is individually wrapped in polyethylene foil for easy handling and contamination prevention
Also available with barcodes (PR-CR1402-LB) for seamless sample tracking
Perfect for cell culture, bacterial growth, protein expression, or any lab process requiring large volume mixing in a compact format.
Switch to PR1MA™ deep well plates for a more efficient, space-saving alternative to bulky flasks, with better culture control, easier handling, and superior performance.
Specifications
| Item # | Plate Description | Plate Height | Wells | Bottom Style | Vol. | Rec. Culture Vol. | Color |
| PR-CR1402-L | Extra high sq. deepwell w/ PS lid | 85 mm | 2 Wells, 80 mm | V-Bottom | 460 mL | 60 - 80 mL | Clear |
| PR-CR1402-LB | Extra high sq. deepwell w/ PS lid & barcode | 85 mm | 2 Wells, 80 mm | V-Bottom | 460 mL | 60 - 80 mL | Clear |
PR1MA™ Sodium Acetate, Anhydrous
CAS Number: 127-09-3
Molecular Weight: 82.0
Chemical Formula: C2H3O2Na
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Assay: ≥ 99.0 %
- pH (5% Solution): 7.0 - 9.2
- Solubility: Soluble in Water
- Loss on Drying (120 oC): ≤ 1.0 %
- Calcium (Ca): ≤ 0.005 %
- Chloride (Cl): ≤ 0.002 %
- Heavy Metals (as Pb): ≤ 0.001 %
- Insoluble Matter: ≤ 0.01 %
- Iron (Fe): ≤ 0.001 %
- Magnesium (Mg): ≤ 0.002 %
- Phosphate: ≤ 0.001 %
- Sulfate (SO4): ≤ 0.003 %
- Grade: Meet USP/ACS Specifications
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PR1MA™
Thiamine Hydrochloride [Vitamin B1]
Common Name: Vitamin B1
CAS Number: 67-03-8
Molecular Weight: 337.3
Chemical Formula: C12H17CIN4OS • HCl
Solubility: Water
Storage Temp: 2-8°C
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Appearance of Solution: Clear, no more color than reference solution Y7 or GY7
- Identification: Should be positive reaction
- Identification (IR): Consistent with the reference IR spectra
- pH: 2.7 - 3.3
- Sulfates: ≤ 300 ppm
- Limit of Nitrate: No brown ring is produced at the junction of the two layers
- Lead: ≤ 2 ppm
- Water: ≤ 5.0 %
- Residue on Ignition: ≤ 0.1 %
- Absorbance of Solution: ≤ 0.025
- Residual Solvents (Methanol): ≤ 0.3 %
- Residual Solvents (Ethanol): ≤ 0.5 %
- Related Substance (Impurity A): ≤ 0.15 %
- Related Substance (Impurity B): ≤ 0.3 %
- Related Substance (Impurity C): ≤ 0.15 %
- Related Substance (Any Other Impurity): ≤ 0.1 %
- Related Substance (Total impurities): ≤ 0.5 %
- Related Compounds: ≤ 1.0 %
- Chromatographic Purity: ≤ 1.0 %
- Assay: 98.5 - 101.0 %
- Staphylococcus Aureus: Negative
- Salmonella: Negative
- E.Coli: Negative
- Total Plate Count: ≤ 1000 cfu/g
- Yeast and Mold: ≤ 100 cfu/g
- Material Source: Acrylonitrate; Acetamidine HCl; Chlorine Ester
- Production Method: Chemical Synthesis
- BSE/TSE Free: BSE/TSE Free
- Non Animal Origin: Non Animal Origin
- Conclusion: This product complies with the specification of BP/USP/FCC.
- Country of Origin: Report
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PR1MA™ Western Blotting Boxes
Minimize Antibody Waste & Maximize Efficiency.
No matter the size of your blot, there’s a PR1MA™ Western Blotting Box designed to fit it perfectly. Our selection includes boxes tailored for mini, half, whole, and strip blots, ensuring the most efficient use of space and reagents. By matching blot size to the correct container, you can reduce reagent and antibody consumption, save money, and maximize shaker or rocker capacity during incubation.
All boxes feature uniformly flat bottoms and 90º angled corners to ensure even reagent distribution and minimal pooling. For light-sensitive samples, opaque black blotting boxes are available to protect antibodies and blots from photodegradation.
With a hinged lid to minimize evaporation and sizes optimized for all common blotting applications, these boxes are a must-have for any lab performing Western blot analysis.
Key Features
- Sized to fit all common blot formats – mini, half, whole, and strip blots
- Reduce antibody and reagent usage with perfectly sized boxes
- Flat bottom and 90° corners for uniform reagent coverage
- Hinged lids reduce evaporation during incubations
- Light-blocking black boxes available for light-sensitive protocols
- Ideal for Western blotting, membrane staining, and antibody incubations
Use the right-sized box to get better results while saving on expensive reagents.
Specifications
| Item # | Description | Color | Dimensions |
| PR-WBB-B1212 | For Novex Mini, Bio-Rad Mini & others | Clear | 0.33 x 0.33 x 0.12 In. | 8.5 x 8.5 x 3.0 cm |
| PR-WBB-B1203 | For Various Gels | Clear | 0.13 x 0.20 x 0.11 In. | 3.2 x 5.2 x 2.8 cm |
| PR-WBB-B1204 | For Various Gels, Half-Mini Protein Gels | Clear | 0.15 x 0.28 x 0.11 In. | 3.8 x 7.1 x 2.8 cm |
| PR-WBB-B1206 | For Protean 3 (cut-up) | Clear | 0.13 x 0.41 x 0.14 In. | 3.3 x 10.3 x 3.5 cm |
| PR-WBB3 | Western Blot Box, Micro-strip | Clear | 2.87 x 1.18 x 0.75 In. | 7.3 x 3 x 1.9 cm |
| PR-WBB5 | Western Blot Box, Mini-rectangle | Clear | 2.87 x 2.01 x 1.26 In. | 7.3 x 5.1 x 3.2 cm |
| PR-WBB7 | Western Blot Box, Med. Rectangle | Clear | 3.50 x 2.56 x 0.98 In. | 8.9 x 6.5 x 2.5 cm |
| PR-WBB7BK | Western Blot Box, Med. Rectangle | Black | 3.50 x 2.56 x 0.98 In. | 8.9 x 6.5 x 2.5 cm |
| PR-WBB9 | Western Blot Box, Long Strip | Clear | 3.74 x 1.18 x 0.63 In. | 9.5 x 3 x 1.6 cm |
| PR-WBB11 | Western Blot Box, Medium Strip | Clear | 4.37 x 2.05 x 1.14 In. | 11.1x 5.2 x 2.9 cm |
| PR-WBB13 | Western Blot Box, Large | Clear | 4.61 x 3.50 x 1.10 In. | 11.7 x 8.9 x 2.8 cm |
| PR-WBB13BK | Western Blot Box, Large | Black | 4.61 x 3.50 x 1.10 In. | 11.7 x 8.9 x 2.8 cm |
| PR-WBB15 | Western Blot Box, Square | Clear | 4.57 x 4.57 x 1.26 In. | 11.6 x 11.6 x 3.2 cm |
| PR-WBB15BK | Western Blot Box, Square | Black | 4.57 x 4.57 x 1.26 In. | 11.6 x 11.6 x 3.2 cm |
| PR-WBB17 | Western Blot Box, Extra Large | Clear | 5.98 x 4.02 x 1.26 In. | 15.2 x 10.2 x 3.2 cm |
| PR-WBB19 | Western Blot Box, Extra Extra Large | Clear | 5.98 x 4.02 x 2.01 In. | 15.2 x 10.2 x 5.1 cm |
| PR-WBB13-8BK | Removable Lid for Novex Minigel | Black | 3.39 x 3.39 x 1.10 In. | 8.6 x 8.6 x 2.8 cm |
PR1MA™ Urea, UltraPure (USP Grade)
CAS Number: 57-13-6
Molecular Weight: 60.06
Chemical Formula: CH4N2O
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 - 100.5 %
- Identification (A, B): Pass Test
- Appearance of 20% Solution: Pass Test
- Melting Point: 132.5 to 134.5 oC
- Moisture (LOD): ≤ 1.0 %
- Alcohol- Insoluble Matter: ≤ 0.04 %
- Residue on Ignition: ≤ 0.1 %
- Chloride: ≤ 5 ppm
- Sulfate: ≤ 0.001 %
- Alkalinity: To pass test
- Ammonium: ≤ 0.05 %
- Urea Related Compound A: ≤ 0.1 %
- Individual Unspecified Impurities: ≤ 0.1 %
- Total impurities: ≤ 2.0 %
- Heavy Metals: ≤ 0.001 %
- Iron: ≤ 0.001 %
- Residual Solvents USP 467: Meets requirements
- BSE/TSE Free: BSE/TSE Free
- Grade: USP
- Country of Origin : Report
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PR1MA D-(+)-Glucose [Dextrose Anhydrous]
- Common Name: Dextrose Anhydrous
- CAS Number: 50-99-7
- Molecular Weight: 180.16
- Chemical Formula: C6H12O6
- Solubility: Water
- Storage Temp: Room Temperature
USP Grade material.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Assay: 97.5 - 102.0 %
- Identification (FTIR Spectrum): Pass Test
- Identification (HPLC): Matches the reference
- Specific Rotation: +52.6 - +53.2 °
- Moisture: ≤ 1.0 %
- Residue on Ignition: ≤ 0.1 %
- Color of solution: Qualified
- Conductivity: ≤ 20.0 µs/cm
- Dextrins: Qualified
- Soluble starch and sulfite: Qualified
- Related Substance ( Maltitol and Isomalt): ≤ 0.4 %
- Related Substance (Maltotriose): ≤ 0.2 %
- Related Substance (Fructose): ≤ 0.15 %
- Related Substance ( Unspecified Impurities): ≤ 0.1 %
- Related Substance (Total impurity): ≤ 0.5 %
- Heavy Metals: ≤ 5 ppm
- Residual Solvents: None
- Total Bacterial Count: ≤ 1000 cfu/g
- Mold and Yeast: ≤ 100 cfu/g
- E.Coli: Negative
- Endotoxin: ≤ 1.25 EU/g
- Source: Corn
- Grade: Meets the current USP Grade
- BSE/TSE Free: BSE/TSE Free
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- Digital control of temperature and CO2
- Personal-sized, 13 x 14.5 in. footprint (20 L)
- Accepts bottles and flasks up to 2 L
- Includes 2 stainless steel shelves
- Dual beam, infrared sensor
At only 13 inches wide, the PR1MA™ Mini CO2 Incubator is the smallest and most economical incubator for applications requiring CO2 gas control. Its small footprint makes the incubator ideal for use inside of biological safety cabinets, isolating sensitive cultures, or for any laboratory simply trying to conserve bench space. With a thick layer of high-efficiency insulation surrounding the chamber, the incubator is also ideal for the transportation of cells. Once power has been disconnected, the incubator maintains temperature levels within 10% of the set parameter for up to 1 hour*. In addition, each model includes a 12 V vehicle power adapter for operating the instrument in a car, boat, etc.
Both temperature and CO2 percentages are digitally adjustable and displayed in real-time on the large LED control panel. This panel also features a “Cal” function, for easy in-lab calibration of the temperature or CO2. In addition, humidity (up to 80%) can be added to the chamber by inserting the included (stainless steel) humidity reservoir.
The CO2 level is constantly monitored using dual-beam infrared sensing technology. In the event of a drop in CO2, audible and visual alarms are triggered, notifying the user of the error.Despite its small size, the incubator features a relatively large 20 L chamber with the capacity for flasks and bottles up to 2 liters. Two removable, stainless-steel shelves are included. The shelves are perforated to improve airflow within the chamber.
* If disconnected from the CO2 supply, CO2 percentage decreases by approx. 1%/30 min.
Specifications
| Temperature Range | Room Temperature -10°C to 55°C |
| Temperature Accuracy | 0.25°C (at 37°C) |
| Temperature Uniformity | 0.5°C (at 37°C) |
| Temperature Increment | 0.1°C |
| CO2 Range | 0 to 20% |
| CO2 Sensor | Dual beam infrared |
| CO2 Accuracy | 0.1% (at 5%) |
| Humidity | 70 to 80% |
| Exterior Dims (W x D x H) | 13.2 x 14.5 x 18.7 in. 33.5 x 37 x 47.5 cm |
| Interior Dims (W x D x H) | 10.3 x 9.3 x 12.8 in. 26 x 23.5 x 32.5 cm |
| Capacity | 20 L | 0.7 Cu Ft |
| Weight | 15 lbs | 6.5 kg |
| Electrical | 100 to 240V, 50-60 Hz |
| Warranty | 2 Years |
PR1MA™ bis-Acrylamide
CAS Number: 110-26-9
Molecular Weight: 154.2
Chemical Formula: C7H10N2O2
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Absorbance 290 nm (1% water ): ≤ 0.2
- Acrylic Acid: ≤ 0.001 %
- Conductivity (2% Water): ≤ 5 umhos
- DNase: Not Detected
- Identification: Pass
- pH (1%, 0.1M NaCl) 25oC: ≥ 5.0
- Protease: Not Detected
- Purity: ≥ 99.0 %
- RNase: Not Detected
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