S2K Commerce - Products Dropdown
S2K Commerce - Shopping Cart
S2K Commerce - Order Entry
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.
Need Help Selecting the Right PR1MA™ Products?
Contact us! Our trusted Lab Consultants are ready to help.
Sign up for our newsletter to hear about upcoming promotions, limited-time offers, and special savings opportunities.
PR1MA™ Solution Bottles
- Compatible with bottle top filters or for use as solution storage containers
- Polystyrene bottles are packaged sterile, individually wrapped
Specifications
| Sterile | Yes |
| Non-pyrogenic | Yes |
| Primary Color | Bottle: Clear |
| Secondary Color | Cap: Green |
| Primary Material | Bottle: Polystyrene |
| Secondary Material | Cap: HDPE |
| Graduated | Yes |
| RNase/DNase Free | Yes |
PR1MA™ Boric Acid
CAS Number: 10043-35-3
Molecular Weight: 61.83
Chemical Formula: H3BO3
Solubility: Water
Storage Temp: Room Temperature
For use in preparing electrophoresis buffers.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Calcium (Ca): ≤ 0.005 %
- Chloride: ≤ 0.001 %
- Heavy Metals (as Pb): ≤ 0.001 %
- Insolubles (Methanol): ≤ 0.005 %
- Iron: ≤ 0.001 %
- Nonovolatiles (Methanol): ≤ 0.05 %
- Phosphate: ≤ 0.001 %
- Purity: ≥ 99.5 %
- Sulfate: ≤ 0.01 %
Boric, Acid, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Guanidine Thiocyanate
CAS Number: 593-84-0
Molecular Weight: 118.2
Chemical Formula: CH5N3 • HSCN
Solubility: Water
Storage Temp: Room Temperature
Protein denaturant used for purifying proteins and nucleic acids.
Toxicity: LD50
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to slightly off white crystalline powder
- Assay (Argentometric Titration): ≥ 99.0 %
- Assay (Ion Chromatography): ≥ 99.5 %
- Chloride Content: ≤ 1.0 %
- Cobalt (Co) : ≤ 5 ppm
- FTIR: Conforms to reference
- Iron: ≤ 5 ppm
- pH: 5.0 - 7.0
- DNase/ RNase: None Detected
- Melting Point: 118 - 121 oC
- Solubility: Pass
- Sulfate Ash: ≤ 0.5 %
- Moisture : ≤ 0.5 %
- Grade: Ultra Pure
- Country of Origin: Report
Guanidine, Thiocyanate, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Guanidine Hydrochloride
CAS Number: 50-01-1
Molecular Weight: 95.5
Chemical Formula: CH5N3-HCl
Solubility: Water
Storage Temp: Room Temperature
Protein denaturant used for purifying proteins and nucleic acids.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Assay (Titration, dried basis): ≥ 99.5 %
- Copper (Cu): ≤ 1 ppm
- DNase, RNase, protease: Not Detected
- Free Acid: ≤ 0.01 %
- Heavy Metals (as Pb): ≤ 0.5 ppm
- Identification (IR): Conforms to Known Structure
- Iron (Fe): ≤ 1 ppm
- Loss on Drying: ≤ 1 %
- Melting Point: 185 - 188 oC
- pH (10% solution in H2O @ 25oC): 5.0 - 7.0
- Residue on Ignition: ≤ 0.05 %
- Solubility (6% Solution in H2O): Clear
- UVA (230nm, 6M H2O solution): ≤ 0.14
- UVA (240nm, 6M H2O solution): ≤ 0.05
- UVA (260nm, 6M H2O solution): ≤ 0.03
- Zinc (Zn): ≤ 1 ppm
Guanidine, Hydrochloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Ampicillin, Sodium Salt
CAS Number: 69-52-3
Molecular Weight: 371.4
Chemical Formula: C16H18N3O4SNa
Solubility: Water
Storage Temp: 2-8°C
Inhibitor of bacterial cell wall synthesis resulting in lysis or
deformation of the bacterium. Inhibits crosslinking of peptidoglycan by
binding and inactivating transpeptidases. Highly active against gram
negative bacteria. B-Lactamase sensitive. Plant cell culture tested. Widely
used as a selective agent for transformation of plasmid encoding for
b-Lactamase production such as pBR322 or pUC (Ampr).
- Appearance: White Crystalline Powder
- Assay (Anhydrous Substance) : 91.0 - 102 %
- Bacterial Endotoxins : ≤ 0.15 IU/mg
- Dimethylaniline: ≤ 0.002 %
- Identification: Conform
- Methylene Chloride : ≤ 0.2 %
- pH (1% Solution): 8.0 - 10.0
- Solubility (50mg/ml in Water): Soluble
- Specific Optical Rotation: +258 - +287 °
- Sterility: Conform
- Water: ≤ 2.0 %
Ampicillin, Sodium, Salt, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Potassium Chloride
CAS Number: 7447-40-7
Molecular Weight: 74.6
Chemical Formula: KCl
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: Colorless Crystals or White Granular
- Acidity/Alkalinity: Pass Test
- Aluminium: ≤ 1 ppm
- Assay: 99.0 - 100.5 %
- Barium: Pass Test
- Bromides: ≤ 0.1 %
- Heavy Metals (as Pb): ≤ 10 ppm
- Identity Reaction: Pass Test
- Iodide: ≤ 50 ppm
- Loss on Drying: ≤ 1.0 %
- Sodium: ≤ 1000 ppm
- Solubility: Freely soluble in water, practically insoluble in anhydrous ethanol
- Sulfate : ≤ 300 ppm
- Grade: Meets current USP Specifications
Potassium, Chloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ TRIS Hydrochloride [Tris(hydroxymethyl) aminomethane HCl]
Common Name: Tris(hydroxymethyl) aminomethane hydrochloride
CAS Number: 1185-53-1
Molecular Weight: 157.6
Chemical Formula: C4H11NO3 • HCl
Solubility: Water
Storage Temp: Room Temperature
Highly purified for use in molecular biology applications.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystalline
- Assay: 99.0 - 101.0 %
- pH (1% aqueous solution): 4.2 - 5.0
- Solubility (1M Solution in Water ) : Clear, colorless solution
- UV Absorbance @260nm, 1.0 M in H2O: ≤ 0.06
- UV Absorbance @280nm, 1.0 M in H2O: ≤ 0.05
- Identification: Conforms
- Heavy Metals : ≤ 5 ppm
- Grade: USP
TRIS, Hydrochloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Tricine, Ultra Pure [N-[Tris (Hydroxymethyl) Methyl] Glycine]
Common Name: N-[Tris (Hydroxymethyl) Methyl] Glycine
CAS Number: 5704-04-1
Molecular Weight: 179.17
Chemical Formula: C6H13NO5
Solubility: Water
Storage Temp: Room Temperature
- pKa @ 25°C: 8.1-8.2
- Melting Range: 182-188°C
- Appearance: White Crystalline Powder
- Assay (Titration, dried basis): ≥ 99.0 %
- Heavy Metals : ≤ 5 ppm
- pH (1% Solution): 4.6 - 5.3
- Solubility (1M Solution in H2O): Clear
- UV Absorbance 260nm (1 mol/L, 1cm ): ≤ 0.04
- UV Absorbance 280nm (1 mol/L, 1cm ): ≤ 0.02
- Water Content : ≤ 0.1 %
Tricine, Ultra, Pure, [N-[Tris, (Hydroxymethyl), Methyl], Glycine], PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ TBE 10x Solution
CAS Number: 77-86-1; 10043-35-3; 6381-92-6; 7732-18-5
Solubility: Water
Storage Temp: Room Temperature
- Appearance: Clear, Colorless Solution
- pH (1X Solution): 8.15 - 8.45
Proudly made in the USA! Click here for more made in America products!
TBE, 10x, Solution, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Agarose SS, Super High Strength, Molecular Biology Grade
CAS Number: 9012-36-6
Solubility: Water
Storage Temp: Room Temperature
For DNA/RNA fragments >1000 bp. Ideal for separating larger molecules.
DNAse/RNase free.
Gel Strength, 1%:
>1800 g/cm2
Gel Strength, 1.5%:
>3200 g/cm2
Gelling Temperature:
35-37°C
Melting Temperature:
87-89°C
Sulfate:
<0.12%
EEO:
<0.13%
Research or further manufacturing use only, not for food or drug use.
- Appearance: Fine white homogeneous powder
- DNase/ RNase: Not Detected
- Gelling Temperature: ≥ 10 oC
- Melting Point: 80 - 100 oC
Agarose, SS, Super, High, Strength, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Penicillin G Sodium Salt [Benzyl Penicillin Sodium Salt]
Common Name: Benzyl Penicillin Sodium Salt
CAS Number: 69-57-8
Molecular Weight: 356.4
Chemical Formula: C16H17N2NaO4S
Solubility: Water
Storage Temp: 2-8°C
Inhibitor of bacterial cell wall synthesis. Active against gram positive
and some gram negative bacteria. β-Lactamase sensitive.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystalline powder
- Potency : 1500 - 1750 U/mg
- Assay: 96.0 - 102.0 %
- Identification: Pass Test
- Loss on Drying: ≤ 1.0 %
- pH: 5.5 - 7.5
- Specific Optical Rotation: +285 - +310 °
- Absorbance 264 nm: 0.80 - 0.88
- Absorbance 280nm: ≤ 0.10
- Absorbance 325nm: ≤ 0.10
- Related Substances: Conforms to standard
- Bacterial Endotoxins : Conforms to standard
- Sterility: Conforms to standard
- Country of Origin : Report
Penicillin, G, Sodium, Salt, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ 24-Well Deep Well Plates
Manufactured from pure polystyrene with no additives and sterilized by gamma irradiation, these plates ensure optimal sterility and performance. Plates are single-use (non-autoclavable) and come individually wrapped/sealed in polyethylene foil.
- Plates have square wells of 17 x 17 mm and 40 mm deep
- Typical shaking conditions: 225 rpm/50 mm, or 300 rpm/25 mm
Fully Skirted Square 24-Deep Well Microplate with Disposable Cover (PR-CR1424-CDC)
Older version of PR-CR1424-CL. Mainly used with the Thermo Fisher™ Cytomat™ Selector series and for further automation uses.
- Pyramid bottom for easy centrifugation (pellet in center well)
- Comes with a disposable low-evaporation sandwich cover (1.2 mm holes) on top
- Mainly used for automation purposes where the PR-CR1424-CL ridges are an issue
Square 24-Deep Well Microplates with PS Lid (PR-CR1424-CL)
- Used for leachable-sensitive cultures, such as the cultivation of CHO- and HEK cells
- Pyramid bottom for easy centrifugation (pellet in center well)
- Stackable two high in our universal clamps
- Barcoded version available for sample tracking (PR-CR1424-CLB)
Square 24-Deep Well Microplates with Disposable Cover (PR-CR1424-CLDC)
- Low evaporation disposable covers (1.2 mm holes) mounted on top
- Pyramid bottom for easy centrifugation (pellet in center well)
- Stack three high in our universal clamps
Grey/White Square 24-Deep Well Microplates with a Transparent Bottom (PR-CR1424-DG)
- Has a transparent bottom and is thus suitable for use in the Growth Profiler
- Light grey to prevent cross-talk between wells, ensuring the most accurate measurements, even at lower ODs
Extra Tall 4-Position Universal Clamp (PR-CR1812DC-L)
For use with 24-Deep Well Plates and disposable covers.
Special clamping system with ultra-high pillars to support triple-stacked plates and disposable covers, such as the PR-CR1424-CLDC series. Fits various shaker platforms.
If stainless covers are used, only two 24-Deep Well Plates and covers are to be stacked (to prevent a too high center of gravity)
Specifications
| Item # | Plate Description | Plate Height | Wells | Bottom Style | Vol. | Rec. Culture Vol. | Color |
| PR-CR1424-CL | Square deepwell w/ disposable PS lid | 44 mm | 24 Wells, 40 mm | V-Bottom | 264 mL | 3 mL | Clear |
| PR-CR1424-CLB | Square deepwell w/ disposable PS lid and barcode | 44 mm | 24 Wells, 40 mm | V-Bottom | 264 mL | 3 mL | Clear |
| PR-CR1424-CDC | Sq. deepwell w/ dispo. sandwich cover, 1.2 mm holes (Cytomat use) | 44 mm | 24 Wells, 40 mm | V-Bottom | 264 mL | 3 mL | Clear |
| PR-CR1424-CLDC | Square deepwell w/ disposable sandwich cover, 1.2 mm holes | 44 mm | 24 Wells, 40 mm | V-Bottom | 264 mL | 2.5 mL | Clear |
| PR-CR1424-DG | Square deepwell, disposable | 44 mm | 24 Wells, 40 mm | Transparent | 264 mL | 2.5 mL | Grey/White |
| PR-CR1812dc-L | Ultra high universal clamp with 4 positions, for triple stacking of 3 MTPs + disposable covers (fits various shaker platforms) | ||||||
Disclaimer
Thermo Fisher™ and Cytomat™ are trademarks of Thermo Fisher Scientific Inc. Our products are third-party items designed for compatibility with Thermo Fisher™ instruments. Thermo Fisher Scientific Inc. does not manufacture, sponsor, or endorse our products, and is not affiliated with these offerings in any way.
Web Content Viewer